VIRUS WITH MODIFIED BINDING MOIETY SPECIFIC FOR THE TARGET CELLS

Abstract: A virus, or virus-like particle, derived from a virus or virus-like particle having a receptor for a host cell comprising a modified binding specificity conferred by a binding moiety allowing the virus or virus-like particle to bind to a target cell characterised in that the said host cell receptor is modified or absent so that the virus or virus-like particle is substantially incapable of binding the said host cell are disclosed. An adenovirus or influenza virus or vaccinia virus, or a replication defective derivative of any of these, characterized in that the virus has a modified binding specificity conferred by a binding moiety allowing the virus to bind to a target cell are disclosed. Suitable binding moieties include monoclonal antibodies, ScFvs, dAbs and minimal recognition units. The use of at least some of these as delivery vehicles for genes to target cells in the fields of gene therepy and cancer treatment are disclosed.

Description: VIRUS WITH MODIFIED BINDING MOIETY SPECI FIC FOR THE TARGET CELLS . The present invention relates to delivery vehicles for genes to target cells, especially in the fields of gene therapy and cancer treatment. The delivery of genes to target cells, especially those within the mammalian body, has many uses, for example in the fields of gene therapy, cancer treatment and in areas of genetic manipulation still to be discovered. The gene to be delivered may encode a molecule, such as a protein or RNA, which is cytotoxic to the target cell, or it may encode a functional copy of a gene that is defective in the target cell. In this latter case the product of the aforementioned functional copy of the gene will replace that of the defective copy, and the target cell will be able to perform its proper function. The use of viruses, or virus-like particles, to deliver genes for gene therapy and cancer treatment has been disclosed. However, in most cases the targeting of the virus or virus-like particles containing the desired gene to the cell has relied on the natural host-virus specificity or on local application of the virus to the cells to be targeted, for example direct application of viruses to lung cells by inhalation. The human adenovirus 5 (Ad5) genome consists of a double-stranded linear DNA molecule of 36 kilo-basepair. The virus replication cycle has two phases: an early phase, during which four transcriptional units El, E2, E3, and E4 are expressed, and a late phase occurring after the onset of viral DNA synthesis when late transcripts are expressed from the major late promoter (MLP). These late messages encode most of the viral structural proteins. El , E2, and E4 gene products of human adenoviruses (Ads) are involved in transcriptional activation, cell transformation, and viral DNA replication as well as other viral functions, and are essential for viral growth. In contrast, E3 gene products are not required for viral replication in cultured cells or for acute lung infection of cotton rats, but appear to be involved in evading immune surveillance in vivo. By "virus-like particle" we mean a nucleoprotein particle containing a core of nucleic acid surrounded by protein which (i) is not infective and (ii) can only be propagated in a suitable cell system following transformation by its nucleic acid. Thus a virus-like particle of mammalian origin may be propagated in Saccharomyces cerevisiae or in insect cells via a baculovirus expression system. The modification of coat proteins of filamentous bacteriophages (bacterial viruses), such as M13 and fd, so as to generate novel binding properties, has been disclosed in Cwirla et al (1990) Proc. Natl. Acad. Sci. USA 87, 6378-6382 and Scott & Smith (1990) Science 249, 386-390. It has previously been suggested that retroelement particles, including retroviral vectors, may be modified to target specific cells, for example see Kingsman et al (1991) Tibtech 9, 303-309. Russell et al (1993) Nucl. Acids Res. 21, 1081-1085, published after the priority date for this application but before the filing date discloses retroviral vectors displaying functional antibody fragments and suggests that, in principle, the display of antibody fragments on the surface of recombinant retroviral particles could be used to target virus to cells for gene delivery. However, it is not known whether a retrovirus can be assembled in which all the subunits of the viral envelope protein are fused to antibody, and if so whether the virus would infect cells. NIP-derivatised human cells were tested as a method for targeted gene delivery, but became permissive for both modified (displaying an anti-NIP antibody) and unmodified ecotropic viral particles. NIP is 4-hydroxy-3- iodo-5-nitrophenylacetic acid. Michael et al (1993) J. Biol. Chem. 268, 6866-6869, published after the priority date of this application but before the filing date, describes molecular conjugates between adenovirus and a vector system comprising two linked domains, a DNA binding domain and a ligand domain. In this configuration, however, it is stated that the viral moiety functions in the capacity of both an alternate ligand domain of the conjugate and, since an additional ligand has been introduced into the conjugate design, the potential for cell-specific targeting is undermined. Curiel et al (1992) Human Gene Therapy 3, 147-154 describes adenoviruses wherein a foreign epitope was introduced into the hexon protein and polylysine-antibody complexed DNA was attached to adenovirus by virtue of the antibody binding the foreign epitope on the hexon. Foreign DNA is transferred bound to the exterior of the virion. The above-mentioned viruses and virus-like particles may be able to target cells using the binding moiety displayed on their surface but they can also still target their natural host cells. We have now devised new viruses and virus-like particles at least some of which can bind the target cell with high specificity and may deliver genetic material to the target cell; at least some of the viruses and virus¬ like particles may bind and deliver genetic material to the target cell without substantially binding to the natural host cell of the virus. One aspect of the present invention provides a virus, or virus-like particle, derived from a virus or virus-like particle having a receptor for a host cell comprising a modified binding specificity conferred by a binding moiety allowing the virus or virus-like particle to bind to a target cell characterised in that the said host cell receptor is modified or absent so that the virus or virus-like particle is substantially incapable of binding the said host cell. By "substantially incapable of binding its host cell" we mean that the modified virus has no more than 1 % of the binding affinity of the unmodified virus for the host cell. In general, the binding specificity of a natural virus or virus-like particle is conferred by the specific interaction between a receptor-like molecule expressed on the surface of the virus or virus-like particle and a cognate receptor-like molecule expressed on the surface of its host cell. The invention provides a beneficial modification of the binding specificity, so that the virus or virus-like particle can bind to a different specific target cell. The introduction of the modified binding moiety may be such as to achieve the said removal of the native binding specificity. A second aspect of the invention comprises an adenovirus or influenza virus or vaccinia virus, or a replication-defective derivative of any of these, characterised in that the virus has a modified binding specificity conferred by a binding moiety allowing the virus to bind to a target cell. By "binding moiety" we mean a molecule that is exposed on the surface of the virus or virus-like particle which is able to bind to a molecule on the target cell. The "binding moiety" may be a molecule on the virus or virus-like particle modified in such a way that its binding specificity is changed, or it may be a molecule added to, and exposed on the surface of, the virus or virus-like particle to provide a new binding specificity. It is preferred if the binding moiety is external to the receptor for its host cell of the naive, unmodified virus. It is further preferred if the binding moiety is joined or fused to the virus or virus-like particles directly or indirectly by a spacer group. By "host cell" we mean the cell that an unmodified, naive virus can bind to using its receptor-like molecule and the cognate receptor-like molecule on the cell. By "target cell" we mean the cell that the modified virus can bind to using its binding moiety. In some circumstances in the context of the second aspect of the invention, such as when the binding moiety recognises an entity on the host cell which is not the cognate receptor-like molecule, then the host cell may be the target cell. The virus or virus-like particle may be a bacteriophage and the target cell a bacterium in which case the invention may find uses in the treatment of bacterial infections. In a preferred embodiment of the invention the target cell is eukaryotic. The eukaryotic cell may be a yeast cell and the virus or virus-like particle may be useful in the medical field in treating yeast infections such as athlete's foot or Candida infection but it is preferred that the eukaryotic cell is mammalian, and it is expected that the invention will find uses in the areas of gene therapy and cancer treatment. In preferred embodiments of the first aspect of the invention the virus or virus-like particle is adenovirus or influenza virus or a pox-virus such as vaccinia. It is also preferred that the virus or virus-like particle is "replication- defective". By "replication defective" we mean a virus whose genetic material has been manipulated so that it cannot divide or proliferate in the cell it infects. The binding moiety of the virus or virus-like particle of the invention provides the target cell binding specificity. Any cell-binding protein or peptide or carbohydrate or lipid may be useful for targeting the virus or virus-like particle to the cell. For example, short linear stretches of amino acids, such as those constituting a peptide hormone, are useful, as are domains of polypeptides that can fold independently into a structure that can bind to the target cell. In one preferred embodiment the binding moiety has the property of any one of a monoclonal antibody, ScFv (single chain Fv fragment), a dAb (single domain antibody) or a minimal recognition unit of an antibody. The binding site on the target cell may be a target cell-specific antigen. Such antigens are listed in Table 1. Other binding moieties, targets on cells, and diseases which could usefully be treated using reagents delivered by the modified viruses or virus-like particles are given in Table 2. Table 1 1. Tumour Associated Antigens Antigen Antibody Existing Uses Carcino-embryonic {C46 (Amersham) Imaging & Therapy Antigen {85A12 (Unipath) of colon/rectum tumours. Placental Alkaline H17E2 (ICRF, Imaging & Therapy Phosphatase Travers & Bodmer) of testicular and ovarian cancers. Pan Carcinoma NR-LU-10 (NeoRx Imaging & Therapy Corporation) of various carcinomas incl. small cell lung cancer. Polymorphic HMFG1 (Taylor- Imaging & Therapy Epithelial Mucin Papadimitriou, ICRF) of ovarian cancer, (Human milk fat pleural effusions. globule) j8-human Chorionic W14 Targeting of enzyme Gonadotropin (CPG2) to human xenograft choriocarcinoma in nude mice. (Searle et al (1981) Br. J. Cancer 44, 137-144) A Carbohydrate on L6 (IgG2a)- Targeting of alkaline Human Carcinomas phosphatase. (Senter et al (1988) P.N.A.S. 85, 4842-4846 CD20 Antigen on B 1F5 (IgG2a) 2 Targeting of alkaline Lymphoma (normal phosphatase. (Senter and neoplastic) et al (1988) P.N.A.S. 85, 4842-4846 Ηellstrδm et al (1986) Cancer Res. 46, 3917-3923 2 Clarke et al (1985) P.N.A.S. 82, 1766-1770 Other antigens include alphafoetoprotein, Ca-125 and prostate specific antigen. 2. Immune Cell Antigens Pan T Lymphocyte OKT-3 (Ortho) As anti-rejection Surface Antigen therapy for kidney (CD3) transplants. B-lymphocyte RFB4 (Janossy, Immunotoxin therapy Surface Antigen Royal Free Hospital) of B cell lymphoma. (CD22) Pan T lymphocyte H65 (Bodmer, Immunotoxin Surface Antigen Knowles ICRF, treatment of Acute (CD5) Licensed to Xoma Graft versus Host Corp., USA) disease, Rheumatoid Arthritis. 3. Infectious Agent-Related Antigens Mumps virus-related Anti-mumps Antibody conjugated polyclonal antibody to Diphtheria toxin for treatment of mumps. Hepatitis B Surface Anti HBs Ag Immunotoxin against Antigen Hepatoma. Table 2; Binding moieties for tumour-specific targets and tumour associated antigens The binding moiety may be a monoclonal antibody. Monoclonal antibodies which will bind to many of these antigens are already known but in any case, with today's techniques in relation to monoclonal antibody technology, antibodies can be prepared to most antigens. The binding moiety may be a part of an antibody (for example a Fab fragment) or a synthetic antibody fragment (for example, ScFv). Suitable monoclonal antibodies to selected antigens may be prepared by known techniques, for example those disclosed in "Monoclonal Antibodies: A manual of techniques", H Zola (CRC Press, 1988) and in "Monoclonal Hybridoma Antibodies: Techniques and Applications", J G R Hurrell (CRC Press, 1982). Suitably prepared non-human antibodies can be "humanized" in known ways, for example by inserting the CDR regions of mouse antibodies into the framework of human antibodies. The variable heavy (V H ) and variable light (N domains of the antibody are involved in antigen recognition, a fact first recognised by early protease digestion experiments. Further confirmation was found by "humanization" of rodent antibodies. Variable domains of rodent origin may be fused to constant domains of human origin such that the resultant antibody retains the antigenic specificity of the rodent parental antibody (Morrison et al (1984) Proc. Natl. Acad. Sci. USA 81, 6851-6855). That antigenic specificity is conferred by variable domains and is independent of the constant domains is known from experiments involving the bacterial expression of antibody fragments, all containing one or more variable domains. These molecules include Fab-like molecules (Better et al (1988) Science 240, 1041); Fv molecules (Skerra et al (1988) Science 240, 1038); ScFv molecules where the V H and V L partner domains are linked via a flexible oligopeptide (Bird et al (1988) Science 242, 423; Huston et al (1988) Proc. Natl. Acad. Sci. USA 85, 5879) and dAbs comprising isolated V domains (Ward et al (1989) Nature 341, 544). A general review of the techniques involved in the synthesis of antibody fragments which retain their specific binding sites is to be found in Winter & Milstein (1991) Nature 349, 293-299. By "ScFv molecules" we mean molecules wherein the V H and V L partner domains are linked via a flexible oligopeptide. It may be advantageous to use antibody fragments, rather than whole antibodies. Effector functions of whole antibodies, such as complement binding, are removed. ScFv and dAb antibody fragments can be expressed as fusions with other polypeptides. Minimal recognition units may be derived from the sequence of one or more of the complementary-determining regions (CDR) of the Fv fragment. Whole antibodies, and F(ab') 2 fragments are "bivalent". By "bivalent" we mean that the said antibodies and F(ab') 2 fragments have two antigen combining sites. In contrast, Fab, Fv, ScFv, dAb fragments and minimal recognition units are monovalent, having only one antigen combining sites. In a further embodiment the binding moiety is at least part of a ligand of a target cell-specific cell-surface receptor. It is preferred that the target cell-specific cell-surface receptor is the receptor for human gonadotrophin releasing hormone (GnRH). In this preferred embodiment the binding moiety is GnRH, and its binding specificity is for human cancer cells that express the GnRH receptors on their surface. Examples of such human cancer cells are prostate, breast and endometrial cancer cells. It is also preferred that the target cell-specific cell-surface receptor is the receptor for melanocyte-stimulating hormone (MSH) which is expressed in high number in melanoma cells. In this preferred embodiment the binding moiety is MSH, and its binding specificity is for melanoma cells. It is also preferred that the target cell-specific cell-surface receptor is the receptor for somatostatin. Of course, the receptors for GnRH, MSH and somatostatin may themselves be target cell-specific antigens and may be recognised by binding moieties which have the property of any one of a monoclonal antibody, a ScFv, a dAb or a minimal recognition unit. Thus, although the binding site on the target cell may be a cell-surface receptor it may also act as a target cell-specific cell-surface antigen for recognition by the binding moiety. It will be appreciated by those skilled in the art that binding moieties which are polypeptides may be conveniently made using recombinant DNA techniques. The binding moiety may be fused to a protein on the surface of the virus or virus-like protein as disclosed below or they may be synthesised independently of the virus or virus-like particle, by expression from a suitable vector in a suitable host and then joined to the virus or virus-like particle as disclosed below. Nucleic acid sequences encoding many of the targeting moieties are known, for example those for peptide hormones, growth factors, cytokines and the like and may readily be found by reference to publicly accessible nucleotide sequence databases such as EMBL and GenBank. Once the nucleotide sequence is known it is obvious to the person skilled in the art how to make DNA encoding the chosen binding moiety using, for example, chemical DNA synthetic techniques or by using the polymerase chain reaction to amplify the required DNA from genomic DNA or from tissue-specific cDNA. Many cDNAs encoding peptide hormones, growth factors, cytokines and the like, all of which may be useful as binding moieties, are generally available from, for example British Biotechnology Ltd, Oxford, UK. It is preferred that when the virus or virus-like particle of the invention binds to its target cell it delivers its nucleic acid to the said target cell, that is the target cell is infected by the virus or virus-like particle. Target cells, especially cancer cells, that are infected in this manner by the virus or virus-like particle may express viral molecules on their surface and may be recognised by the immune system and destroyed. Of course, other cytotoxic functions of the virus may also kill the cell. In one embodiment when the virus or virus-like particle is adenovirus, the E1B gene is substantially deleted or modified so that its gene product no longer interacts with the El A protein. El A protein stimulates apoptosis but normally its action is inhibited by E1B. Conveniently, the E1B gene is inactivated by insertion; preferably a cytotoxic gene, as defined below, is inserted at or near the E1B gene. El, E3 and a site upstream of E4 may be used as sites for insertion of foreign DNA sequences in the generation of recombinant adenoviruses for example see Berkner and Sharp (1984) Nucl. Acids Res. 12, 1925-1941; Chanda et al (1990) Virology 175, 535-547; Haj-Ahmad and Graham (1986) J. Virol. 57, 267-274; Saito et al (1985) J. Virol. 54, 711-719; all incorporated herein by reference. Since the upper size limit for DNA molecules that can be packaged into adenovirus particles is approximately 105% of the wild-type genome only about 2 kb of extra DNA can be inserted without compensating deletions of viral DNA. Although El is essential for virus replication in cell culture, foreign DNA can be substituted for El sequences when the virus is grown in 293 cells which are transformed by Ad5 DNA and constitutively express El (Graham et al (1977) J. Gen. Virol. 36, 59-72, incorporated herein by reference). Several vectors having 1.9 kb deleted from E3 of Ad5 have been constructed without interfering with virus replication in cell culture (reviewed by Graham and Prevec (1992) in "Vaccines: New Approaches to Immunological Problems" R.W. Ellis (Ed.), Butterworth-Heinemann, Boston, MA, pages 364-390, incorporated herein by reference). Such vectors allow for insertion of up to 4 kb of foreign DNA. Recombinant adenoviruses containing inserts in E3 replicate in all Ad-permissive cell lines and a number of adenovirus vectors containing E3 inserts have been shown to express foreign genes efficiently both in vitro and in vivo (Berkner (1988) Biotechniques 6, 616-629; Chanda et al (1990) Virology 175, 535-547; Dewar et al (1989) J. Virol. 63, 129-136; Graham (1990) Trends Biotechnol. 8, 85-87; Graham and Prevec (1992) in "Vaccines: New Approaches to Immunological Problems" R.W. Ellis (Ed.), Butterworth-Heinemann, Boston, MA, pages 364-390; Johnson et al (1988) Virology 164, 1-14; Lubeck et al (1989) Proc. Natl. Acad. Sci. USA 86, 6763-6767; McDermott et al (1989) Virology 169, 244-247; Morin et al (1987) Proc. Natl. Acad. Sci. USA 84, 4626-4630; Prevec et al (1989) J. Gen. Virol. 70, 429-434; Prevec et al (1990) J. Inf. Dis. 161, 27-30; Schneider et al (1989) J. Gen. Virol. 70, 417-427; Vernon et al (1991) J. Gen. Virol. 72, 1243-1251 ; Yuasa et al (1991) J. Gen. Virol. 72, 1927-1934) all incorporated herein by reference. Substantially replication-defective adenoviruses may be made by creating a deficiency of the El A protein. Suitably this is achieved by deleting the E1A gene or by making mutations within the E1A gene that prevent expression of the El A protein. Examples of suitable mutations are deletions within the El A coding region; nonsense mutations; and frameshift mutations. In further preference, the virus or virus-like particle is modified further to contain a gene suitable for gene therapy. In one embodiment, the gene encodes a molecule having a directly or indirectly cytotoxic function. By "directly or indirectly" cytotoxic, we mean that the molecule encoded by the gene may itself be toxic (for example ricin; tumour necrosis factor; interleukin-2; interferon-gamma; ribonuclease; deoxyribonuclease; Pseudomonas exotoxin A) or it may be metabolised to form a toxic product, or it may act on something else to form a toxic product. The sequence of ricin cDNA is disclosed in Lamb et al (1985) Eur. J. Biochem. 148, 265-270 incorporated herein by reference. For example, it would be desirable to target a DNA sequence encoding an enzyme using the virus or virus-like particle of the invention, the enzyme being one that converts a relatively non-toxic prodrug to a toxic drug. The enzyme cytosine deaminase converts 5-fluorocytosine (5FC) to 5- fluorouracil (5FU) (Mullen et al (1922) PNAS 89, 33); the herpes simplex enzyme thymidine kinase sensitises cells to treatment with the antiviral agent ganciclovir (GCV) or aciclovir (Moolten (1986) Cancer Res. 46, 5276; Ezzedine et al (1991) New Biol 3, 608). The cytosine deaminase of any organism, for example E. coli or Saccharomyces cerevisiae, may be used. Thus, in a preferred embodiment of the invention, the gene encodes a cytosine deaminase and the patient is concomitantly given 5FC. By "concomitantly", we mean that the 5FC is administered at such a time, in relation to the transformation of the tumour cells, that 5FC is converted into 5FU in the target cells by the cytosine deaminase expressed from the said gene. A dosage of approximately 0.001 to 100.0 mg 5FC/kg body weight/day, preferably 0.1 to 10.0 mg/kg/day is suitable. Components, such as 5FC, which are converted from a relatively non- toxic form into a cytotoxic form by the action of an enzyme are termed "pro-drugs". Other examples of pro-drug/enzyme combinations include those disclosed by Bagshawe et al (WO 88/07378), namely various alkylating agents and the Pseudomonas spp. CPG2 enzyme, and those disclosed by Epenetos & Rowlinson-Busza (WO 91/11201), namely cyanogenic pro-drugs (for example amygdalin) and plant-derived -glucosidases. Enzymes that are useful in this embodiment of the invention include, but are not limited to, alkaline phosphatase useful for converting phosphate- containing prodrugs into free drugs; arylsulfatase useful for converting sulfate-containing prodrugs into free drugs; cytosine deaminase useful for converting non-toxic 5-fluorocytosine into the anti-cancer drug, 5- fluorouracil; proteases, such as serratia protease, thermolysin, subtilisin, carboxypeptidases and cathepsins (such as cathepsins B and L), that are useful for converting peptide-containing prodrugs into free drugs; D- alanylcarboxypeptidases, useful for converting prodrugs that contain D- amino acid substituents; carbohydrate-cleaving enzymes such as β- galactosidase and neuraminidase useful for converting glycosylated prodrugs into free drugs; /3-lactamase useful for converting drugs derivatized with /3-lactams into free drugs; and penicillin amidases, such as penicillin V amidase or penicillin G amidase, useful for converting drugs derivatized at their amine nitrogens with phenoxyacetyl or phenylacetyl groups, respectively, into free drugs. Alternatively, antibodies with enzymatic activity, also known in the art as abzymes, can be used to convert the prodrugs of the invention into free active drugs [see, e.g. R J Massey, Nature, 328, pp. 457-458 (1987)]. Similarly, the prodrugs of this invention include, but are not limited to, the above-listed prodrugs, e.g., phosphate-containing prodrugs, thiophosphate-containing prodrugs, sulfate-containing prodrugs, peptide- containing prodrugs, D-amino acid-modified prodrugs, glycosylated prodrugs, 3-lactam-containing prodrugs, optionally substituted phenoxyacetamide-containing prodrugs or optionally substituted phenylacetamide-containing prodrugs, 5-fluorocytosine and other 5- fluorouridine prodrugs which can be converted by the enzyme of the conjugate into the more active, cytotoxic free drug. Examples of cytotoxic drugs that can be derivatized into a prodrug form for use in this invention include, but are not limited to, etoposide, teniposide, adriamycin, daunomycin, carminomycin, aminopterin, dactinomycin, mitomycins, cis-platinum and cis-platinum analogues, bleomycins, esperamicins [see U.S. Pat. No. 4,675,187], 5-fluorouracil, melphalanand other related nitrogen mustards. In a further embodiment the gene delivered to the target cell encodes a ribozyme capable of cleaving targeted RNA or DNA. The targeted RNA or DNA to be cleaved may be RNA or DNA which is essential to the function of the cell and cleavage thereof results in cell death or the RNA or DNA to be cleaved may be RNA or DNA which encodes an undesirable protein, for example an oncogene product, and cleavage of this RNA or DNA may prevent the cell from becoming cancerous. Ribozymes which may be encoded in the genomes of the viruses or virus¬ like particles herein disclosed are described in Cech and Herschlag "Site- specific cleavage of single stranded DNA" US 5,180,818; Altman et al "Cleavage of targeted RNA by RNAse P" US 5,168,053, Cantin et al "Ribozyme cleavage of HIV-1 RNA" US 5,149,796; Cech et al "RNA ribozyme restriction endoribonucleases and methods", US 5,116,742; Been et al "RNA ribozyme polymerases, dephosphorylases, restriction endonucleases and methods, US 5,093,246; and Been et al "RNA ribozyme polymerases, dephosphorylases, restriction endoribonucleases and methods; cleaves single-stranded RNA at specific site by transesterification", US 4,987,071 , all incorporated herein by reference. In a still further embodiment the gene delivered to the target cell encodes an antisense RNA. By "antisense RNA" we mean an RNA molecule which hybridises to, and interferes with the expression from a mRNA molecule encoding a protein or to another RNA molecule within the cell such as pre-mRNA or tRNA or rRNA, or hybridises to, and interferes with the expression from a gene. Conveniently, a gene expressing an antisense RNA may be constructed by inserting a coding sequence encoding a protein adjacent a promoter in the. appropriate orientation such that the RNA complementary to mRNA. Suitably, the antisense RNA blocks expression of undesirable polypeptides such as oncogenes, for example ras, bcl, src or tumour suppressor genes such as p53 and Rb. It will be appreciated that it may be sufficient to reduce expression of the undesirable polypeptide rather than abolish the expression. It will be further appreciated that DNA sequences suitable for expressing as antisense RNA may be readily derived from publicly accessible databases such as GenBank and EMBL. In another embodiment of the invention, the gene replaces the function of a defective gene in the target cell. There are several thousand inherited genetic diseases of mammals, including humans, that are caused by defective genes. Examples of such genetic diseases include cystic fibrosis, where there is known to be a mutation in the CFTR gene; Duchenne muscular dystrophy, where there is known to be a mutation in the dystrophin gene; sickle cell disease, where there is known to be a mutation in the HbA gene. Many types of cancer are caused by defective genes, especially protooncogenes, and tumour-suppressor genes that have undergone mutation. Thus, it is preferred that the virus or virus-like particle of the invention, which may be useful in the treatment of cystic fibrosis, contains a functional CFTR gene to replace the function of the defective CFTR gene. Similarly, it is preferred that the virus or virus-like particle of the invention, which may be useful in the treatment of cancer, contains a functional protooncogene, or tumour-suppressor gene to replace the function of the defective protooncogene or tumour-suppressor gene. Examples of protooncogenes are ras, src, bcl and so on; examples of tumour-suppressor genes are p53 and Kb. By "gene" we mean a nucleic acid coding sequence that may contain introns, or fragment thereof, or cDNA, or fragment thereof. It will be appreciated that the gene will be introduced into a convenient place within the genome of the virus or virus-like particle and will contain a promoter and/or enhancer element to drive its expression. It is preferred if the promoter and/or enhancer is selective for the cells to be targeted. Some examples of tissue or tumour specific promoters are given below but new ones are being discovered all of the time which will be useful in this embodiment of the invention. The tyrosinase and TRP-1 genes both encode proteins which play key roles in the synthesis of the pigment melanin, a specific product of melanocytic cells. The 5' ends of the tyrosinase and tyrosinase-related protein (TRP-1) genes confer tissue specificity of expression on genes cloned downstream of these promoter elements. The 5' sequences of these genes are described in Bradl, M. et al (1991) Proc. Natl. Acad. Sci. USA 88, 164-168 and Jackson, I.J. et al (1991) Nucleic Acids Res. 19, 3799-3804. Prostate-specific antigen (PSA) is one of the major protein constituents of the human prostate secretion. It has become a useful marker for the detection and monitoring of prostate cancer. The gene encoding PSA and its promoter region which directs the prostate-specific expression of PSA have been described (Lund wall (1989) Biochem. Biophys. Res. Comm. 161, 1151-1159; Riegman et al (1989) Biochem. Biophys. Res. Comm. 159, 95-102; Brawer (1991) Acta Oncol. 30, 161-168). Carcinoembryonic antigen (CEA) is a widely used tumour marker, especially in the surveillance of colonic cancer patients. Although CEA is also present in some normal tissues, it is apparently expressed at higher levels in tumorous tissues than in corresponding normal tissues. The complete gene encoding CEA has been cloned and its promoter region analysed. A CEA gene promoter construct, containing approximately 400 nucleotides upstream from the translational start, showed nine times higher activity in the adenocarcinoma cell line SW303, compared with the HeLa cell line. This indicates that c/s-acting sequences which convey cell type specific expression are contained within this region (Schrewe et al (1990) Mol. Cell. Biol. 10, 2738-2748). The c-erbB-2 gene and promoter have been characterised previously and the gene product has been shown to be over-expressed in tumour cell lines (Kraus et al (1987) EMBO J. 6, 605-610). The mucin gene, MUC1, contains 5' flanking sequences which are able to direct expression selectively in breast and pancreatic cell lines, but not in non-epithelial cell lines as taught in WO 91/09867. The binding moiety allowing the virus or virus-like particle to bind to a target cell may be a polypeptide or oligosaccharide or lipid or any other molecule capable of binding specifically to the target cell. It is preferred that the binding moiety is a polypeptide. The molecule on the surface of the virus or virus-like particle to which the binding moiety is joined may be a polypeptide, oligosaccharide or lipid or any other molecule in the virus or virus-like particle coat. It is preferred that the molecule is a polypeptide. If the binding moiety and the molecule on the surface of the virus or virus-like particle are both polypeptides then they may be linked together by any of the conventional ways of cross-linking polypeptides, such as those generally described in O'Sullivan et al Anal. Biochem. (1979) 100, 100-108. For example, the binding moiety may be enriched with thiol groups and the molecule on the surface of the virus or virus-like particle reacted with a bifunctional agent capable of reacting with those thiol groups, for example the N-hydroxysuccinimide ester of iodoacetic acid (NHIA) or N-succinimidyl-3-(2-pyridyldithio)propionate (SPDP). Amide and thioether bonds, for example achieved with m-maleimidobenzoyl-N- hydroxysuccinimide ester, are generally more stable in vivo than disulphide bonds. Other chemical procedures may be useful in joining oligosaccharide and lipids to other oligosaccharides, lipids or polypeptides. It is preferred that the binding moiety and the molecule on the surface of the virus or virus-like particle are both polypeptides that may be produced as a fusion by the techniques of genetic engineering. The use of genetic engineering allows for the precise control over the f sion of such polypeptides. Thus a further embodiment of the invention is a nucleotide sequence encoding the fusion of the binding moiety and the protein on the surface of the virus or virus-like particle. The nucleotide sequence encoding the fusion of the binding moiety and the protein on the surface of the virus or virus-like particle is preferably made by an alteration of the viral genome. The nucleotide sequence may be synthesised de novo using solid phase phosphoramidite chemistry, but it is more usual for the nucleotide sequence to be constructed from two parts, the first encoding the binding moiety and the second the protein on the surface of the virus or virus-like particle. The two parts may be derived from their respective genes by restriction endonuclease digestion or by other methods known by those skilled in the art such as the polymerase chain reaction. A variety of methods have been developed to operatively link two nucleotide sequences via complementary cohesive termini. For instance, synthetic linkers containing one or more restriction sites provide a method of joining the two DNA segment together. Each DNA segment, generated by endonuclease restriction digestion, is treated with bacteriophage T4 DNA polymerase of E. coli DNA polymerase I, enzymes that remove protruding, 3 '-single-stranded termini with their 3'-5'-exonucleolytic activities, and fill in recessed 3 '-ends with their polymerizing activities. The combination of these activities therefore generates blunt-ended DNA segments. The blunt-ended segments are then incubated with a large molar excess of linker molecules in the presence of an enzyme that is able to catalyze the ligation of blunt-ended DNA molecules, such as bacteriophage T4 DNA ligase. Thus, the products of the reaction are DNA segments carrying polymeric linker sequences at their ends. These DNA segments are then cleaved with the appropriate restriction enzyme and lifted to an expression vector that has been cleaved with an enzyme that produces termini compatible with those of the DNA segment. Synthetic linkers containing a variety of restriction endonuclease sites are commercially available from a number of sources including International Biotechnologies Inc, New Haven, CN, USA. A desirable way to generate the DNA encoding the fusion polypeptide of the invention is to use the polymerase chain reaction as disclosed by Saiki et al (1988) Science 239, 487-491. In this method each of the DNA molecules encoding the two polypeptides to be fused are enzymatically amplified using two specific oligonucleotide primers which themselves become incorporated into the amplified DNA. The said specific primers may contain restriction endonuclease recognition sites which may then be used to join the said two DNA molecules using T4 DNA ligase as disclosed. A particular feature of one aspect of the present invention is the modification of the virus or virus-like particle of the invention so that it no longer binds its host cell and so that it binds the target cell by virtue of its binding moiety. The host-cell receptor of adenovirus may be the penton fibre and that of influenza virus may be the haemagglutinin receptor. These receptors may be modified by the insertion or deletion or substitution of amino acid residues that disrupt their host-cell binding function. It is preferred that the binding moiety for the target cell is joined to the host-cell receptor in such a manner that the binding moiety is capable of binding the target cell, the host-cell receptor is unable to bind to the host cell and therefore the binding specificity of the virus or virus-like particle is modified. A further preference is that the portion of the host-cell receptor that is exposed on the surface of the virus or virus¬ like particle is replaced by the binding moiety, and that the portion of the host-cell receptor which promotes the uptake of viral DNA by the target cell is retained. Suitably, the binding moiety is joined directly or indirectly to the host-cell receptor by a spacer group. Examples of spacer groups are polypeptide sequences of between 4 and 1000 amino acid residues. Thus, in one embodiment of the invention the gene encoding the penton fibre in adenovirus is modified in such a way that the DNA encoding the surface-exposed portion is replaced by a DNA fragment encoding a ScFv, the ScFv being derived from an antibody which binds to a target cell surface antigen. Potential f sion sites within the penton fibre have been identified. The adenovirus fibre is a trimer composed of three protomers. The amino terminal end (40 amino acids or so) of each participates in the formation of a tail that is closely associated with the penton (as opposed to the hexon) subunit of the capsid. High amino acid conservation is maintained between the different characterised serotypes. Middle portions of each protomer form the shaft of the protein. This shaft is of variable length, depending upon serotype, and is composed of repeating units of 15 amino acids (for examples, serotypes have been identified with 6, 15 and 21 repeat units). These repeating units are not duplicates: rather than strict conservation of amino acid structure, there is a general conservation of relative hydrophobicity. Some serotypes, for example, 40 and 41 , have shafts composed of different length fibre proteins. This suggests a certain flexibility in structural constraints. The carboxy-terminal ends (some 200 amino acids) associate to form a knob that is held erect a great distance (in molecular terms) from the capsid. Whilst the cellular receptor(s) and mechanisms of docking have not been firmly identified and elucidated, we propose that the most likely candidate structure for cell binding is the knob. Thus, in one embodiment the whole knob of the penton fibre has been replaced with single chain antibody (ScFv) domains. The triplex structure implies that each fibre will thus end in three ScFvs. Additionally, the ScFv regions can be replaced with CDRs, or by non-antibody derived peptides, of known specificity or other molecules that are capable of interacting specifically with the target cell. . Suitable fusion sites are therefore at the native junction between shaft and knob domains, or (should the DNA sequence prove to be more amenable) at any junction between repetitive units of the shaft. Preferably, the minimum shaft length is not reduced beyond the smallest size naturally identified. There are thus at least 15 potential sites at which fusion could be contemplated. Although it is preferred that the binding moiety forms the end of the fibre thereby replacing the knob, the binding moiety may also be fused within the penton fibre sequence but still display its binding surfaces and bind to the target cell. Suitably, the binding moiety may be fused to the knob and extend externally to the knob structure. In a further embodiment influenza virus haemmaglutinin is modified to incorporate a binding moiety. Influenza virus has seven or eight (depending on serotype) genetic segments, all negative strand RNA. Suitably, a cDNA from the whole segment encoding haemmagglutinin is constructed and modified by adding a promoter firing backwards across this segment so that negative strand RNA is made. Genetic fusions with a suitable binding molecule, as disclosed above, are made using standard recombinant DNA methods and a suitable cell line is stably transfected with this gene construct. Infection of this transfected cell line with influenza virus and selection of reassorted genomes containing the new haemmagglutinin by infection of a normally resistant cell line that expresses a marker that can only be recognised by the new haemmagglutinin yields the desired virus comprising modified cell-binding specificity. A further aspect of the invention provides a method of producing in cell culture a virus or virus-like particle and then joining the binding moiety, as defined above, to the virus or virus-like particle. A further aspect of the invention provides a method of producing in cell culture a virus or virus-like particle which has been genetically modified to express a binding moiety on its surface. The virus or virus-like particle is grown in its host prior to modification, but once the modification that alters the binding specificity is made, the virus or virus-like particle is grown in the target cell. Thus, for example in the case where the binding moiety recognises a breast tumour cell antigen, the virus or virus-like particle is grown in breast tumour cell culture. The virus or virus-like particles of the invention are administered in any suitable way, usually parenterally, for example intravenously, intraperitoneally or intravesically, in standard sterile, non-pyrogenic formulations of diluents and carriers, for example isotonic saline (when administered intravenously). A further aspect of the invention provides a method of delivery of the virus or virus-like particle which contains a gene encoding a molecule having an indirectly cytotoxic function. Suitably, the indirectly cytotoxic function is an enzyme that converts a prodrug to a toxic drug. With such a virus or virus-like particle, once the virus or virus-like particle has bound to the target cells, delivered its nucleic acid to the cells, and expressed the indirectly cytotoxic functions, which typically takes a day or so, the pro-drug is administered. The timing between administration of the virus or virus-like particle and the pro-drug may be optimised in a non-inventive way. The dosage of the pro-drug will be chosen by the physician according to the usual criteria. The dosage of the virus or virus-like particle will similarly be chosen according to normal criteria, and in the case of tumour treatment, particularly with reference to the type, stage and location of tumour and the weight of the patient. The duration of treatment will depend in part upon the rapidity and extent of any immune reaction to the virus or virus-like particle. Some of the viruses or virus-like particles either in themselves, or together with an appropriate pro-drug, are in principle suitable for the destruction of cells in any tumour or other defined class of cells selectively exhibiting a recognisable (surface) entity. Examples of types of cancer that may be treated using the viruses or virus-like particles are cancer of the breast, prostate, colon, rectum, ovary, testicle and brain. The compounds are principally intended for human use but could be used for treating other mammals including dogs, cats, cattle, horses, pigs and sheep. The invention will now be described in detail with reference to the following Figures and Examples in which: Figure 1 shows (a) an unmodified (i.e. "naive") virus or virus-like particle able to bind to and infect its host cell but not a non-host cell, such as a target cell; and (b) a virus or virus-like particle with a modified binding specificity does not bind and infect its host cell but binds and infects a target cell; and (c) a virus or virus-like particle as in (b) modified further to contain a gene for gene therapy or cancer treatment. Figure 2 shows (a) unmodified (naive) adenovirus; (b) adenovirus modified so that its penton fibres, which recognise the host cell, are replaced in part by antibody fragments which recognise the target cell; and (c) adenovirus as in (b) with further genetic material added to the viral DNA for gene therapy of cancer. Figure 3 shows (a) influenza virus and (b) genetically-modified influenza virus wherein at least part of the haemagglutinin binding site is replaced by an antibody with anti-cancer cell binding activity. Figure 4 shows (a) a retrovirus virus; and (b) as in (a) except the retrovirus has been modified further to express on its surface an anticancer cell-binding antibody fragment or an anticancer cell-binding peptide. Figure 5 is a diagrammatic representation of a penton fibre indicating potential fusion sites within the fibre. Figure 6 shows fusions between the DNA encoding the Ad5 fibre and an ScFv. Figure 7 shows sequences of oligonucleotides used for amplifying the ScFv. All oligonucleotides are presented 5' to 3', the reverse complement of FOR primers are shown and derived amino acid sequences are shown where relevant. Figure 8 shows the construction of plasmid pRAS117. Figure 9 shows the nucleotide and derived amino acid sequence between the Hrødlll and EcoRI sites of ρRAS117. Figure 10 shows a map of plasmid pRAS117. Figure 11 is a diagrammatic representation of the construction of plasmid pRAS118. Figure 12 shows the sequences of oligonucleotides for amplifying Ad5 fibre DNA fragments. All oligonucleotides are presented 5' -* 3'. The reverse complements of FOR primers are shown. Derived amino acid sequences are shown where relevant. Figure 13 shows the nucleotide sequence and deduced amino acid sequence between the HtΑzdIII site and EcoRI site of pRASll l. Figure 14 gives a diagrammatic representation of constructing adenovirus carrying a cytotoxic gene. Figure 15 gives the nucleotide and amino acid sequences of mouse and humanised ΗMFG1 variable regions. Example 1: Fusion sites within the adenovirus Ad5 fibre for binding moieties including single chain Fv (ScFv) The Ad5 DNA sequence co-ordinates used here are taken from: ADRCOMPGE : residues 1 to 32760 and ADRCOMPGE_2: residues 32761-35935 These can be accessed by using program SEQ on the Intelligenetics database. The sequence of Ad5 fibre can also be found in Chroboczek, J. and Jacrot, B. (1987) "The sequence of adenovirus fiber: Similarities and differences between serotypes 2 and 5" Virology 161, 549-554 and is available from the EMBL Database, Heidelberg, Germany under accession name ADEFIB. Fusion sequences between the shaft and the ScFv are shown in Fig. 6. The fusion sites are at the junctions of the repetitive units of the shaft. Shaft sequences are shown in normal typescript; ScFv sequences are shown in italics. The DNA sequence between the PstI and Xhol sites is unique to the ScFv used. Fusion A is at the end of the first repetitive unit of the shaft (co-ordinates 31218-9), fusion B at the end of the second (31266-7), fusion C at the third (31323-4), fusion D at the fourth (31368-9), fusion E at the fifth (31413-4), fusion F at the sixth (31458-9), fusion G at the seventh (31503- 4), fusion H at the eighth (31551-2), fusion I at the ninth (31596-7), fusion J at the tenth (31641-2), fusion K at the eleventh (31692-3), fusion L at the twelfth (31737-8), fusion M at the thirteenth (31787-8), fusion N at the fourteenth (31836-7), fusion O at the fifteenth (31884-5), fusion P at the sixteenth (31929-30), fusion Q at the seventeenth (31995-6), fusion R at the eighteenth (32040-1), fusion S at the nineteenth (32103-4), fusion T at the twentieth (32151-2), fusion U at the twenty-first (32199-200), and fusion V is at the end of the twenty-second repetitive unit of the shaft (32244-5), the junction between shaft and knob. Example 2; Preparation of adenovirus expressing an ScFv on its surface The genetically modified fibre is introduced into the Ad5 genome by: (a) replacing the fibre gene of plasmid pE4 with the modified fibre by standard recombinant DNA technology and (b) reconstituting the virus by recombination. pE4 is a plasmid containing the right hand half of the Ad5 genome, and which has served as the source of the Ad5 fibre gene that we have used. It was provided by Dr Keith Leppard, Biological Sciences, University of Warwick, Coventry, CV4 7AL who has supplied details of its structure. If it is introduced into mammalian cells that contain the remainder of the Ad5 genome, then it is possible to obtain recombinants containing the modification. Most human cell lines can be used for the recombination but HeLa cells are preferred. The plasmid pE4 is readily made in the following way. A derivative of pBR322 is made by digesting with BstNl and rejoining using Xhol linkers such that the _δ.ytNl fragment corresponding to positions 1442-2502 in the pBR322 sequence is removed. DNA from the adenovirus Ad5 strain 309 described by Jones & Shenk (1979) Cell 17, 683-689 is isolated and deproteinated. This DNA is then ligated to Clal linkers and cut with EcoRI and Clal. The Clal-EcoRI fragment corresponding to the region of 76% of the Ad5 genome to the right hand end is isolated and cloned into the EcoRI- M sites of the above-mentioned pBR322 derivative to form pΕ4. Adenovirus Type 5 and HeLa cells are available from the American Type Culture Collection, 12301 Packlawn Drive, Rockville, MD 20852-1776, USA under accession numbers ATCC VR-5 and ATCC CCL-2. Construction of plasmid pRAS117 Oligonucleotide primers LEADHB ACK and LEADbFOR (Figure 7) were used for PCR-mediated amplification of the DNA segment extending from the Hindlϊl site of plasmid pRASll l, over the Shine-Dalgarno sequence and the pelB leader sequence to the PstI site in the ScFv. LEADbFOR directs the incorporation of a BgUl site immediately after tiiepelB leader sequence. DNA (100 ng) from plasmid pRASl l l was subjected to 24 rounds of amplification, (94°C, 1 min; 65°C, 1.5 min and 72°C, 2 min) in a 50 μl reaction volume containing 25 pmol of each primer, 250 mM of each dNTP, 67 mM Tris-HCl (pH 8.8), 17 mM (NH 4 ) 2 SO 4 , 1.5 mM MgCl 2 , 200 mg.ml 1 gelatine and 5 units of Thermus aquaticus (Taq) polymerase (Cetus) overlaid with 25 μl paraffin oil. After the reaction, oil was removed by extraction with 500 μl chloroform. The sample was loaded on a 2% agarose gel, and the amplified fragment was electrophoresed on to a piece of NA45 paper (Schleicher and Schuell). Bound DNA was subsequently eluted by immersion in 400 μl IM NaCl made in TE (10 mM Tris-HCl, pH 7.5, 1 mM EDTA) for 30 min at 70°C. To this was added 800 μl ethanol, and after incubation (2 h, - 20°C) the DNA was collected by centrifugation. The pellet was taken up in 50 μl T/E. One fifth (10 μl) of the purified amplified fragment was cut with the restriction enzymes Hindlll and PstI, in a total volume of 20 μl 50 mM Tris-HCl, pH 7.5, 10 MgC12, 100 mM NaCl, 1 mM dithioerythreitol containing 10 units of each enzyme. After incubation (1 h, 37°C) the reaction was stopped by incubation at 70°C for 15 minutes. The trimmed amplified fragment was cloned between the Hindl and PstI sites of pUC8, to generate plasmid pRAS117. Plasmid pUC8 (1 μg) was cut with H dIII and PstI, in a total volume of 20 μl 50 mM Tris-ΗCl, pΗ 7.5, 10 MgCl 2 , 100 mM NaCl, 1 mM dithioerythreitol containing 10 units of each enzyme. After incubation (1 h, 37°C) the reaction was stopped by incubation at 70°C for 15 minutes. The ligation reaction contained 1.5 μl of pUC8/HtndIII, PstI and 3 μl of the amplified leader/Ht/zdIII, PstI in a total volume of 15 μl containing 70 mM Tris-ΗCl pΗ 7.5, 7 mM MgCl 2 , 0.7 mM rATP, 4 mM dithiothreitol, 0.5 mg.ml "1 BSA and 10 units of T4 DNA ligase. After incubation (2 h, at room temperature), the reaction was stopped by the addition of 1 μl 500 mM EDTA, pΗ 8.0 and 14 μl Η 2 O. This ligation mix was used to transform E. coli. An aliquot (5 μl) of this ligation mix was used to transform a 200 μl aliquot of commercially available competent E. coli K12 DH55,7αF (Life Sciences Inc). After incubation (30 min, 0°C), heat shock (2 min, 42°C), addition of 800 μl L-broth and recovery (37°C, 1 h), cells (100 μl) were spread on L-agar plates containing 100 μg.ml "1 ampicillin containing 50 mM IPTG (isopropyl- 3-D-galactopyranoside) and 100 μg.ml "1 X-Gal (5- bromo-4-chloro-3-indolyl-j8-D-galactopyranoside). Cells were grown overnight at 37°C, and individual colonies were transferred to fresh L- agar/ampicillin plates. After 6 h growth, colonies were used to inoculate 5 ml aliquots of L-broth containing 100 μg.ml "1 ampicillin. These cells were grown overnight with shaking at 37°C, and used as a source of plasmid DNA. These cells were used as a source of plasmid DNA. Harvested cells were suspended in 360 μl of SET (50 mM sucrose, 10 mM EDTA, 100 mM Tris-HCl, pH 7.5) containing 2 mg.ml "1 hen egg lysozyme, transferred to a 1.5 ml microfuge tube, and diluted by addition of 300 μl 10% Triton X-100. After floating on boiling water for 2 min and cooling for a further minute in ice/water, denatured cell debris was removed by centrifugation (14,000 x g, 20 min) in a microcentrifuge. The majority of the soluble remaining proteins were removed by addition of 300 μl 7.5 M ammonium acetate and centrifugation (14,000 x g, 10 min). Nucleic acids were precipitated by addition of 720 μl cold (-20°C) isopropanol and centrifugation (14,000 x g, 10 min). After rinsing the pellets with ethanol and drying, DNA was solubilised in 60 μl TE containing 170 μg. ml " 'RNase A. Restriction enzyme digestions on 5 μl aliquots, using the enzymes HmdIII and BgUl identified which of these piasmids were pRAS117. The construction scheme is shown in Fig. 8. The nucleotide and derived amino acid sequences between the HmdIII and EcoRI sites of pRAS117 are shown in Fig. 9. A map of plasmid pRAS117 is provided in Fig. 10. The nucleotide sequence of the relevant portion of pRASl 11, between the HmdIII site and EcoRI, site is given in Figure 13. Construction of plasmid pRAS118 (Figure 11) The 130bp Hindlll-Pstl fragment of pRAS117 was used to replace the corresponding fragment of pRAS 111 , to generate plasmid pRAS 118. An aliquot (2 μg) of pRASlll DNA was cut with HmdIII and PstI in the conditions used previously, the large fragment was isolated by electrophoresis onto NA45 paper, as described previously, and the DNA was supended in 10 μl of TE. An aliquot (10 μl) of pRAS117 DNA was cut with HmdIII and PstI in the conditions used previously, and the small fragment was isolated by electrophoresis onto NA45 paper, as described previously, and the DNA was suspended in 10 μl of TE. The isolated pRASl 1 l/HindlllPstl large fragment (1.5 μl) and the isolated pRAS117/HmdIII_P_y/I small fragment (3 μl) were mixed and ligated in the conditions previously described. Transformations, colony handling and DNA preparations were as previously described. Restriction enzyme digestions on 5 μl aliquots, using the enzymes Hindlll, PstI and BgHl identified which of these piasmids were pRAS118. This encodes a NIP-reactive ScFv with a Bglll cloning site immediately downstream of the pelB leader, suitable for inserting fragments of DNA from Ad5 fibre (and also suitable for fusion of any other desired fusion functions). Amplification of Ad5 fibre DNA fragments Fragments of DNA from Ad5 fibre were amplified by PCR using oligonucleotide TAILbBACK and oligonucleotide FIBREPFOR, FIBRE3FOR, FIBRE6FOR, FIBRE9FOR, FIBRE12FOR, FIBRE15FOR, FIBRE18FOR, FIBRE21FOR or FIBRE22FOR. Oligonucleotide sequences can be found in Fig. 12. TAILdBACK directs the incorporation of a Bglll site at the base of the fibre, and the FIBREnFOR series primers direct the incorporation of a PstI site at the junctions of repetitive shaft units 3-4 (FIBRE3FOR), 6-7 (FIBRE6FOR), 9-10 (FIBRE9FOR), 12-13 (FIBRE12FOR), 15-16 (FIBRE15FOR), 18-19 (FIBRE18FOR), 21-22 (FIBRE21FOR), between unit 22 and the knob (FIBRE22FOR) or at the end of the knob sequence (FIBREPFOR). Fusion of fibre and ScFv The amplified segments of fibre are trimmed with Bglll and PstI and ligated between the Bglll and PstI sites of plasmid pRASllδ. This gives a range of fusions under the transcriptional control of the T7 promoter. Colonies are recovered after transformation of a suitable E. coli strain, such as DH5, which does not permit expression of the fusions. Screening Colonies containing candidates for fusion are identified by restriction digestion of their plasmid DNAs. These candidate DNAs are used to transform a suitable E. coli strain, such as BL21 (DE3), that contains a chromosomal insertion of T7 polymerase under lac control. In these cells, induction of expression of T7 polymerase using the gratuitous inducer IPTG causes expression of the fusion proteins. Soluble NIP-reactive material is identified in colonies with correctly assembled fusions. The DNA of these is identified and the NIP-reactive ScFv derived from pRASlll are replaced with a cell-binding ScFv. Replacing the fibre.ScFv in plasmid pE4 There is a HmdIII site approximately half-way along the fibre gene. Fusions with long fibres also contain this HmdIII site. The fusion is introduced at this site. Recombination in vivo of plasmid pE4-ScFv with the adenovirus genome To obtain virus particles expressing the ScFv on the penton fibre suitable cells, such as 293 cells, are cotransfected with plasmid pE4-ScFv and plasmid pFG173 as described in Mittal et al (1993) Virus Res. 28, 67-90, incorporated herein by reference. Since neither pFG173 nor pE4-ScFv individually is able to generate virus progeny, on transfection of 293 cells viable virus progeny are only produced by in vivo recombination between these two piasmids resulting in rescue of the penton fibre-ScFv fusion into the Ad5 genome. 293 cells are human transformed primary embryonal cells available from the ATCC under accession number ATCC CRL 1573. The adenovirus particles made in this way express a NIP-binding ScFv on their surface. Such particles are useful in a two-step targeting approach wherein a target-cell specific binding moiety, such as those identified in Tables 1 and 2, are joined to NIP molecule and targeted to a cell. Once they have localized to the target cell within the patient, the adenovirus displaying NIP-binding ScFv is administered to the patient and binds to the NIP. Example 3: Insertion of a cvtotoxic gene into the E3 region of adenovirus Ad5 In preparation for rescue of the cytotoxic gene into the E3 region of Ad5, the cytotoxic coding sequences were first inserted into a cassette containing the SV40 early promoter and poly A addition sequences to give plasmid pTOX as shown in Figure 14. To obtain virus with the cytotoxic gene and SV40 regulatory sequences in the E3 region, 293 cells are cotransfected with piasmids pTOX and ρFG173 (Fig 14). The plasmid pFG173 is constructed from ρFG140, an infectious plasmid containing the Ad5 dl309 genome in circular form by inserting a kan r gene at the EcoRI site as 75.9 m.u. as described in Grahm (1984) EMBO J. 3, 2917-2922 and Mitall et al (1993) Virus Res. 28, 67- 90. Since neither pFG173 nor pTOX individually is able to generate infectious virus progeny, on transfection of 293 cells viable virus progeny are only produced by in vivo recombination between these two piasmids resulting in rescue of the Ε3 insert into the Ad5 genome. Viral plaques obtained after cotransfection are isolated and expanded in 293 cells and viral DNA was analyzed on an agarose gel after digestion with HmdIII. The structure of the desired Ad5-cytotoxic gene recombinant is verified by the presence of diagnostic fragments. One recombinant is plaque purified and used for further study. Legend to Figure 14 The plasmid pFG173 contains the entire Ad5 genome, except for a 3.2 kb sequence spontaneously deleted between m.u. 75.9-84.9. Piasmids pTOX and pFG173 were used for cotransfection of 293 cells to rescue, by in vivo recombination, the cytotoxic gene flanked by SV40 regulatory sequences in the E3 region of Ad5. The resulting Ad5-cytotoxic gene recombinant was named Ad5-TOX. The relative positions of Hindlll and Xbal restriction sites of the Ad5-TOX genome are shown. The position and orientation of the SV40 promoter, the cytotoxic gene, and the SV40 polyadenylation signal are shown below. Solid bars: luciferase gene; open bars: SV40 promoter and SV40 polyadenylation signal; hatched bars: amp r and kan r genes. The cytotoxic gene is the cDNA for thymidine kinase. Other cytotoxic genes are inserted into the E3 region of Ad5 in an analogous manner. Example 4: Single chain Fv from the mouse monoclonal antibody HMFG1 and humanised monoclonal antibody Hu HMFG1 The nucleotide sequences encoding the V H heavy chains and V/ light chains of HMFG1 and Hu HMFG1 are shown in Figure 15 and are given in Verhoeyen et al (1993) Immunology 78, 364-370, incorporated herein by reference. Legend to Figure 15 Nucleotide and amino acid sequences of mouse and reshaped HMFG1 variable regions, (a) Heavy chain variable region sequences for mouse and reshaped HMFG1 (Mo V H -HMFG1 and Hu V H -HMFG1); (b) mouse and reshaped light chain variable regions respectively (Mo V ^ -HMFGl and Hu N.-HMFG1). Amino acids numbering and definition of the CDR and framework regions are from Kabat et al (1987) Sequences of Proteins of Immunological Interest, Edn 4, US Dept of Health and Human Services Public Health Service, ΝIH, Bethesda, MD 20892, USA. The methods described by Bird et al (1988) Science 242, 423 or Huston et al (1988) Proc. Natl. Acad. Sci. USA 85, 5879 are applied to the nucleotide sequences described in Figure 15 to generate genes encoding ScFv for HMFG1 and ScFv for Hu HMFG1. These genes are fused individually into the adenovirus penton fibre gene as described in Examples 1 and 2. The amino acid sequences of the V H and V L chains of H17E2 are disclosed in "Monoclonal antibodies - applications in clinical oncology", pages 37- 43, 1991, A.A. Epenetos, ed., Chapman & Hall, UK. Nucleotide sequences encoding the V H and V L chains are readily derived from the amino acid sequence using the genetic code and an ScFv can be made from the sequences using the methods of Bird et al or Huston et al as described above. Key to Sequence Listing 44 SEQUENCE LISTING (1) GENERAL INFORMATION: (i) APPLICANT: (A) NAME: Imperial Cancer Research Technology Limited (B) STREET: Sardinia House, Sardinia Street (C) CITY: London (E) COUNTRY: United Kingdom (F) POSTAL CODE (ZIP): WC2A 3NL (ii) TITLE OF INVENTION: Compounds to target cells (iii) NUMBER OF SEQUENCES: 80 (iv) COMPUTER READABLE FORM: (A) MEDIUM TYPE: Floppy disk (B) COMPUTER: IBM PC compatible (C) OPERATING SYSTEM: PC-DOS/MS-DOS (D) SOFTWARE: Patentin Release #1.0, Version #1.25 (EPO) (2) INFORMATION FOR SEQ ID NO: 1: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 1: CCT CTA GTT ACC TCC AAT GTG CAG CTG CAG 30 Pro Leu Val Thr Ser Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 2: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 2: Pro Leu Val Thr Ser Asn Val Gin Leu Gin 45 1 5 10 (2) INFORMATION FOR SEQ ID NO: 3: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 3: CTC TCT CTG GAC GAG GCC GTG CAG CTG CAG 30 Leu Ser Leu Asp Glu Ala Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 4: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 4: Leu Ser Leu Asp Glu Ala Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 5: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 5: CCT CTC AAA AAA ACC AAG GTG CAG CTG CAG 30 Pro Leu Lys Lys Thr Lys Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 6: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 6: Pro Leu Lys Lys Thr Lys Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 7: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 7: CCC CTC ACA GTT ACC TCA GTG CAG CTG CAG 30 Pro Leu Thr Val Thr Ser Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 8: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 8: Pro Leu Thr Val Thr Ser Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 9: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 9: CCT CTA ATG GTC GCG GGC GTG CAG CTG CAG 30 Pro Leu Met Val Ala Gly Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 10: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 10: Pro Leu Met Val Ala Gly Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 11: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus ( B ) STRAIN: Ad5 ( ix ) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 11i CCG CTA ACC GTG CAC GAC GTG CAG CTG CAG 30 Pro Leu Thr Val His Asp Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 12: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 12: Pro Leu Thr Val His Asp Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 13: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 13; CCC CTC ACA GTG TCA GAA GTG CAG CTG CAG 30 Pro Leu Thr Val Ser Glu Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 14: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 14: Pro Leu Thr Val Ser Glu Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 15: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 15: CTC ACC ACC ACC GAT AGC GTG CAG CTG CAG 30 Leu Thr Thr Thr Asp Ser Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 16: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 16: Leu Thr Thr Thr Asp Ser Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 17: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 17: CCT CTA ACT ACT GCC ACT GTG CAG CTG CAG 30 Pro Leu Thr Thr Ala Thr Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 18: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (U) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 18: Pro Leu Thr Thr Ala Thr Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 19: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 19: CCC ATT TAT ACA CAA AAT GTG CAG CTG CAG 30 Pro lie Tyr Thr Gin Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 20: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 20: Pro lie Tyr Thr Gin Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 21: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 21: CAT GTA ACA GAC GAC CTA GTG CAG CTG CAG 30 His Val Thr Asp Asp Leu Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 22: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 22: is Val Thr Asp Asp Leu Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 23: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 23: GGT GTG ACT ATT AAT AAT GTG CAG CTG CAG 30 Gly Val Thr lie Asn Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 24: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 24: Gly Val Thr lie Asn Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 25: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 25: GGT TTT GAT TCA CAA GGC GTG CAG CTG CAG 30 Gly Phe Asp Ser Gin Gly Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 26: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 26: Gly Phe Asp Ser Gin Gly Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 27: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 27: AGG ATT GAT TCT CAA AAC GTG CAG CTG CAG 30 Arg lie Asp Ser Gin Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 28: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 28: Arg lie Asp Ser Gin Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 29: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 29: TTT GAT GCT CAA AAC CAA GTG CAG CTG CAG 30 Phe Asp Ala Gin Asn Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 30: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 30: Phe Asp Ala Gin Asn Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 31: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 ( i) SEQUENCE DESCRIPTION: SEQ ID NO: 31: CTT TTT ATA AAC TCA GCC GTG CAG CTG CAG 30 Leu Phe lie Asn Ser Ala Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 32: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 32: Leu Phe lie Asn Ser Ala Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 33: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 33: TCA AAC AAT TCC AAA AAC GTG CAG CTG CAG 30 Ser Asn Asn Ser Lys Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 34: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 34: Ser Asn Asn Ser Lys Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 35: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 35: GGG TTG ATG TTT GAC GCT GTG CAG CTG CAG 30 Gly Leu Met Phe Asp Ala Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 36: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 36: Gly Leu Met Phe Asp Ala Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 37: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 37: CCT AAT GCA CCA AAC ACA GTG CAG CTG CAG 30 Pro Asn Ala Pro Asn Thr Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 38: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 38: Pro Asn Ala Pro Asn Thr Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 39: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 39: CTA GAA TTT GAT TCA AAC GTG CAG CTG CAG 30 Leu Glu Phe Asp Ser Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 40: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 40: Leu Glu Phe Asp Ser Asn Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 41: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 41: CTT AGT TTT GAC AGC ACA GTG CAG CTG CAG 30 Leu Ser Phe Asp Ser Thr Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 42: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 42: Leu Ser Phe Asp Ser Thr Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 43: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 30 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..30 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 43: ATT GAT AAG CTA ACT TTG GTG CAG CTG CAG 30 lie Asp Lys Leu Thr Leu Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 44: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 10 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein ( i) SEQUENCE DESCRIPTION: SEQ ID NO: 44: lie Asp Lys Leu Thr Leu Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 45: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 18 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Adenovirus (B) STRAIN: Ad5 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 45: CTCGAGTAAT AAGAATTC 18 (2) INFORMATION FOR SEQ ID NO: 46: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 22 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 46: AGCTAAGCTT GCATGCAAAT TC 22 (2) INFORMATION FOR SEQ ID NO: 47: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 31 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..27 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 47: CCA GCG ATG GCC AGA TCT CAG CTG CAG AGCT 31 Pro Ala Met Ala Arg Ser Gin Leu Gin 1 5 (2) INFORMATION FOR SEQ ID NO: 48: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 9 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 48: Pro Ala Met Ala Arg Ser Gin Leu Gin 1 5 (2) INFORMATION FOR SEQ ID NO: 49: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 132 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 40..132 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 49: AAGCTTGCAT GCAAATTCTA TTTCAAGGAG ACAGTCATA ATG AAA TAC CTA TTG 54 Met Lys Tyr Leu Leu 1 5 CCT ACG GCA GCC GCT GGA TTG TTA TTA CTC GCT GCC CAA CCA GCG ATG 102 Pro Thr Ala Ala Ala Gly Leu Leu Leu Leu Ala Ala Gin Pro Ala Met 10 15 20 GCC AGA TCT CAG CTG CAG GTC GAC GGA TCC 132 Ala Arg Ser Gin Leu Gin Val Asp Gly Ser 25 30 (2) INFORMATION FOR SEQ ID NO: 50: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 31 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 50: Met Lys Tyr Leu Leu Pro Thr Ala Ala Ala Gly Leu Leu Leu Leu Ala 1 5 10 15 Ala Gin Pro Ala Met Ala Arg Ser Gin Leu Gin Val Asp Gly Ser 20 25 30 (2) INFORMATION FOR SEQ ID NO: 51: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 28 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 5..28 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 51) AGCT AGA TCT ATG AAG CGC GCA AGA CCG 28 Arg Ser Met Lys Arg Ala Arg Pro 1 5 (2) INFORMATION FOR SEQ ID NO: 52: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 8 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 52: Arg Ser Met Lys Arg Ala Arg Pro 1 5 (2) INFORMATION FOR SEQ ID NO: 53: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 41 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..33 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 53: CCT CTC AAA AAA ACC AAG CAG GTG CAG CTG CAG CAGCCTGG 41 Pro Leu Lys Lys Thr Lys Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 54: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 11 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein ( i) SEQUENCE DESCRIPTION: SEQ ID NO: 54: Pro Leu Lys Lys Thr Lys Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 55: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 42 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 2..34 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 55: C CCG CTA ACC GTG CAC GAC CAG GTG CAG CTG CAG CAGCCTGG 42 Pro Leu Thr Val His Asp Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 56: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 11 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 56: Pro Leu Thr Val His Asp Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 57: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 41 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..33 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 57: CCT CTA ACT ACT GCC ACT CAG GTG CAG CTG CAG CAGCCTGG 41 Pro Leu Thr Thr Ala Thr Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 58: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 11 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 58: Pro Leu Thr Thr Ala Thr Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 59: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 41 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..33 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 59: GGT GTG ACT ATT AAT AAT CAG GTG CAG CTG CAG GACCCTGG 41 Gly Val Thr He Asn Asn Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 60: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 11 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 60: Gly Val Thr He Asn Asn Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 61: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 41 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..36 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 61: CCG TTT GAT GCT CAA AAC CAA CAG GTG CAG CTG CAG CAGCC 41 Pro Phe Asp Ala Gin Asn Gin Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 62: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 12 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 62: Pro Phe Asp Ala Gin Asn Gin Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 63: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 38 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..33 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 63: GGG TTG ATG TTT GAC GCT CAG GTG CAG CTG CAG CAGCC 38 Gly Leu Met Phe Asp Ala Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 64: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 11 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 64: Gly Leu Met Phe Asp Ala Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 65: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 40 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 3.-35 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 65: GC CTT AGT TTT GAC AGC ACA CAG GTG CAG CTG CAG CAGCC 40 Leu Ser Phe Asp Ser Thr Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 66: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 11 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 66: Leu Ser Phe Asp Ser Thr Gin Val Gin Leu Gin 1 5 10 (2) INFORMATION FOR SEQ ID NO: 67: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 50 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii). MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..45 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 67: GGA AAC AAA AAT AAT GAT AAG CTA ACT TTG CAG GTG CAG CTG CAG 45 Gly Asn Lys Asn Asn Asp Lys Leu Thr Leu Gin Val Gin Leu Gin 1 5 10 15 CAGCC 50 (2) INFORMATION FOR SEQ ID NO: 68: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 15 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 68: Gly Asn Lys Asn Asn Asp Lys Leu Thr Leu Gin Val Gin Leu Gin 1 5 10 15 (2) INFORMATION FOR SEQ ID NO: 69: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 43 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: single (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 3..17 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 69: CA TAC ATT GCC CAA GAA TAACAGGTGC AGCTGCAGCA GCCTGG 43 Tyr He Ala Gin Glu 1 5 (2) INFORMATION FOR SEQ ID NO: 70: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 5 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 70: Tyr He Ala Gin Glu 1 5 (2) INFORMATION FOR SEQ ID NO: 71: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 858 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO ( ix ) FEATURE : (A) NAME/KEY: CDS (B) LOCATION: 40..846 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 71: AAGCTTGCAT GCAAATTCTA TTTCAAGGAG ACAGTCATA ATG AAA TAC CTA TTG 54 Met Lys Tyr Leu Leu 1 5 CCT ACG GCA GCC GCT GGA TTG TTA TTA CTC GCT GCC CAA CCA GCG ATG 102 Pro Thr Ala Ala Ala Gly Leu Leu Leu Leu Ala Ala Gin Pro Ala Met 10 15 20 GCC CAG GTG CAG CTG CAG CAG CCT GGG GCT GAG CTT GTG AAG CCT GGG 150 Ala Gin Val Gin Leu Gin Gin Pro Gly Ala Glu Leu Val Lys Pro Gly 25 30 35 GCT TCA GTG AAG CTG TCC TGC AAG GCT TCT GGC TAC ACC TTC ACC AGC 198 Ala Ser Val Lys Leu Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser 40 45 50 TAC TGG ATG CAC TGG GTG AAG CAG AGG CCT GGA CGA GGC CTT GAG TGG 246 Tyr Trp Met His Trp Val Lys Gin Arg Pro Gly Arg Gly Leu Glu Trp 55 60 65 ATT GGA AGG ATT GAT CCT AAT AGT GGT GGT ACT AAG TAC AAT GAG AAG 294 He Gly Arg He Asp Pro Asn Ser Gly Gly Thr Lys Tyr Asn Glu Lys 70 75 80 85 TTC AAG AGC AAG GCC ACA CTG ACT GTA GAC AAA CCC TCC AGC ACA GCC 342 Phe Lys Ser Lys Ala Thr Leu Thr Val Asp Lys Pro Ser Ser Thr Ala 90 95 100 TAC ATG CAG CTC AGC AGC CTG ACA TCT GAG GAC TCT GCG GTC TAT TAT 390 Tyr Met Gin Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr 105 110 115 TGT GCA AGA TAC GAT TAC TAC GGT AGT AGC TAC TTT GAC TAC TGG GGC 438 Cys Ala Arg Tyr Asp Tyr Tyr Gly Ser Ser Tyr Phe Asp Tyr Trp Gly 120 125 130 CAA GGG ACC ACG GTC ACC GTC TCC TCA GGT GGA GGC GGT TCA GGC GGA 486 Gin Gly Thr Thr Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly 135 140 145 GGT GGC TCT GGC GGT GGC GGA TCC CAG GCT GTT GTG ACT CAG GAA TCT 534 Gly Gly Ser Gly Gly Gly Gly Ser Gin Ala Val Val Thr Gin Glu Ser 150 155 160 165 GCA CTC ACC ACA TCA CCT GGT GAA ACA GTC ACA CTC ACT TGT CGC TCA 582 Ala Leu Thr Thr Ser Pro Gly Glu Thr Val Thr Leu Thr Cys Arg Ser 170 175 180 AGT ACT GGG GCT GTT ACA ACT AGT AAC TAT GCC AAC TGG GTC CAA GAA 630 Ser Thr Gly Ala Val Thr Thr Ser Asn Tyr Ala Asn Trp Val Gin Glu 185 190 195 AAA CCA GAT CAT TTA TTC ACT GGT CTA ATA GGT GGT ACC AAC AAC CGA 678 Lys Pro Asp His Leu Phe Thr Gly Leu He Gly Gly Thr Asn Asn Arg 200 205 210 GCT CCA GGT GTT CCT GCC AGA TTC TCA GGC TCC CTG ATT GGA GAC AAG 726 Ala Pro Gly Val Pro Ala Arg Phe Ser Gly Ser Leu He Gly Asp Lys 215 220 225 GCT GCC CTC ACC ATC ACA GGG GCA CAG ACT GAG GAT GAG GCA ATA TAT 774 Ala Ala Leu Thr He Thr Gly Ala Gin Thr Glu Asp Glu Ala He Tyr 230 235 240 245 TTC TGT GCT CTA TGG TAC AGC AAC CAC TGG GTG TTC GGT GGA GGA ACC 822 Phe Cys Ala Leu Trp Tyr Ser Asn His Trp Val Phe Gly Gly Gly Thr 250 255 260 AAA CTG ACT GTC CTA GGT CTC GAG TAATAAGAAT TC 858 Lys Leu Thr Val Leu Gly Leu Glu 265 (2) INFORMATION FOR SEQ ID NO: 72: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 269 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 72: Met Lys Tyr Leu Leu Pro Thr Ala Ala Ala Gly Leu Leu Leu Leu Ala 1 5 10 15 Ala Gin Pro Ala Met Ala Gin Val Gin Leu Gin Gin Pro Gly Ala Glu 20 25 30 Leu Val Lys Pro Gly Ala Ser Val Lys Leu Ser Cys Lys Ala Ser Gly 35 40 45 Tyr Thr Phe Thr Ser Tyr Trp Met His Trp Val Lys Gin Arg Pro Gly 50 55 60 Arg Gly Leu Glu Trp He Gly Arg He Asp Pro Asn Ser Gly Gly Thr 65 70 75 80 Lys Tyr Asn Glu Lys Phe Lys Ser Lys Ala Thr Leu Thr Val Asp Lys 85 90 95 Pro Ser Ser Thr Ala Tyr Met Gin Leu Ser Ser Leu Thr Ser Glu Asp 100 105 110 Ser Ala Val Tyr Tyr Cys Ala Arg Tyr Asp Tyr Tyr Gly Ser Ser Tyr 115 120 125 Phe Asp Tyr Trp Gly Gin Gly Thr Thr Val Thr Val Ser Ser Gly Gly 130 135 140 Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gin Ala Val 145 150 155 160 Val Thr Gin Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu Thr Val Thr 165 170 175 Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser Asn Tyr Ala 180 185 190 Asn Trp Val Gin Glu Lys Pro Asp His Leu Phe Thr Gly Leu He Gly 195 200 205 Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe Ser Gly Ser 210 215 220 Leu He Gly Asp Lys Ala Ala Leu Thr He Thr Gly Ala Gin Thr Glu 225 230 235 240 Asp Glu Ala He Tyr Phe Cys Ala Leu Trp Tyr Ser Asn His Trp Val 245 250 255 Phe Gly Gly Gly Thr Lys Leu Thr Val Leu Gly Leu Glu 260 265 (2) INFORMATION FOR SEQ ID NO: 73: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 354 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Mouse (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..354 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 73: CAG GTT CAG CTG CAG CAG TCT GGA GCT GAG CTG ATG AAG CCT GGG GCC 48 Gin Val Gin Leu Gin Gin Ser Gly Ala Glu Leu Met Lys Pro Gly Ala 1 5 10 15 TCA GTG AAG ATA TCC TGC AAG GCT ACT GGC TAC ACA TTC AGT GCC TAC 96 Ser Val Lys He Ser Cys Lys Ala Thr Gly Tyr Thr Phe Ser Ala Tyr 20 25 30 TGG ATA GAG TGG GTA AAG CAG AGG CCT GGA CAT GGC CTT GAG TGG ATT 144 Trp He Glu Trp Val Lys Gin Arg Pro Gly His Gly Leu Glu Trp He 35 40 45 GGA GAG ATT TTA CCT GGA AGT AAT AAT TCT AGA TAC AAT GAG AAG TTC 192 Gly Glu He Leu Pro Gly Ser Asn Asn Ser Arg Tyr Asn Glu Lys Phe 50 55 60 AAG GGC AAG GCC ACA TTC ACT GCT GAT ACA TCC TCC AAC ACA GCC TAC 240 Lys Gly Lys Ala Thr Phe Thr Ala Asp Thr Ser Ser Asn Thr Ala Tyr 65 70 75 80 ATG CAA CTC AGC AGC CTG ACA TCT GAG GAC TCT GCC GTC TAT TAC TGT 288 Met Gin Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 85 90 95 TCA AGG TCC TAC GAC TTT GCC TGG TTT GCT TAC TGG GGC CAA GGG ACT 336 Ser Arg Ser Tyr Asp Phe Ala Trp Phe Ala Tyr Trp Gly Gin Gly Thr 100 105 110 CCG GTC ACT GTC TCT GCA 354 Pro Val Thr Val Ser Ala 115 (2) INFORMATION FOR SEQ ID NO: 74: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 118 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 74: Gin Val Gin Leu Gin Gin Ser Gly Ala Glu Leu Met Lys Pro Gly Ala 1 5 10 15 Ser Val Lys He Ser Cys Lys Ala Thr Gly Tyr Thr Phe Ser Ala Tyr 20 25 30 Trp He Glu Trp Val Lys Gin Arg Pro Gly His Gly Leu Glu Trp He 35 40 45 Gly Glu He Leu Pro Gly Ser Asn Asn Ser Arg Tyr Asn Glu Lys Phe 50 55 60 Lys Gly Lys Ala Thr Phe Thr Ala Asp Thr Ser Ser Asn Thr Ala Tyr 65 70 75 80 Met Gin Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 85 90 95 Ser Arg Ser Tyr Asp Phe Ala Trp Phe Ala Tyr Trp Gly Gin Gly Thr 100 105 110 Pro Val Thr Val Ser Ala 115 (2) INFORMATION FOR SEQ ID NO: 75: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 342 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (vi) ORIGINAL SOURCE: (A) ORGANISM: Mouse (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..342 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 75: GAC ATT GTG ATG TCA CAG TCT CCA TCC TCC CTA GCT GTG TCA GTT GGA 48 Asp He Val Met Ser Gin Ser Pro Ser Ser Leu Ala Val Ser Val Gly 1 5 10 15 GAG AAG GTT ACT ATG AGC TGC AAG TCC AGT CAG AGC CTT TTA TAT AGT 96 Glu Lys Val Thr Met Ser Cys Lys Ser Ser Gin Ser Leu Leu Tyr Ser 20 25 30 AGC AAT CAA AAG ATC TAC TTG GCC TGG TAC CAG CAG AAA CCA GGG CAG 144 Ser Asn Gin Lys He Tyr Leu Ala Trp Tyr Gin Gin Lys Pro Gly Gin 35 40 45 TCT CCT AAA CTG CTG ATT TAC TGG GCA TCC ACT AGG GAA TCT GGG GTC 192 Ser Pro Lys Leu Leu He Tyr Trp Ala Ser Thr Arg Glu Ser Gly Val 50 55 60 CCT GAT CGC TTC ACA GGC GGT GGA TCT GGG ACA GAT TTC ACT CTC ACC 240 Pro Asp Arg Phe Thr Gly Gly Gly Ser Gly Thr Asp Phe Thr Leu Thr 65 70 75 80 ATC AGC AGT GTG AAG GCT GAA GAC CTG GCA GTT TAT TAC TGT CAG CAA 288 He Ser Ser Val Lys Ala Glu Asp Leu Ala Val Tyr Tyr Cys Gin Gin 85 90 95 TAT TAT AGA TAT CCT CGG ACG TTC GGT GGA GGC ACC AAG CTG GAA ATC 336 Tyr Tyr Arg Tyr Pro Arg Thr Phe Gly Gly Gly Thr Lys Leu Glu He 100 105 110 AAA CGG 342 Lys Arg (2) INFORMATION FOR SEQ ID NO: 76: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 114 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 76: Asp He Val Met Ser Gin Ser Pro Ser Ser Leu Ala Val Ser Val Gly 1 5 10 15 Glu Lys Val Thr Met Ser Cys Lys Ser Ser Gin Ser Leu Leu Tyr Ser 20 25 30 Ser Asn Gin Lys He Tyr Leu Ala Trp Tyr Gin Gin Lys Pro Gly Gin 35 40 45 Ser Pro Lys Leu Leu He Tyr Trp Ala Ser Thr Arg Glu Ser Gly Val 50 55 60 Pro Asp Arg Phe Thr Gly Gly Gly Ser Gly Thr Asp Phe Thr Leu Thr 65 70 75 80 He Ser Ser Val Lys Ala Glu Asp Leu Ala Val Tyr Tyr Cys Gin Gin 85 90 95 Tyr Tyr Arg Tyr Pro Arg Thr Phe Gly Gly Gly Thr Lys Leu Glu He 100 105 110 Lys Arg (2) INFORMATION FOR SEQ ID NO: 77: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 354 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..354 (Xi) SEQUENCE DESCRIPTION: SEQ ID NO: 77: CAG GTG CAG CTG GTG CAG TCT GGG GCA GAG GTG AAA AAG CCT GGG GCC 48 Gin Val Gin Leu Val Gin Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 1 5 10 15 TCA GTG AAG GTG TCC TGC AAG GCT TCT GGC TAC ACC TTC AGT GCC TAC 96 Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Ser Ala Tyr 20 25 30 TGG ATA GAG TGG GTG CGC CAG GCT CCA GGA AAG GGC CTC GAG TGG GTC 144 Trp He Glu Trp Val Arg Gin Ala Pro Gly Lys Gly Leu Glu Trp Val 35 40 45 GGA GAG ATT TTA CCT GGA AGT AAT AAT TCT AGA TAC AAT GAG AAG TTC 192 Gly Glu He Leu Pro Gly Ser Asn Asn Ser Arg Tyr Asn Glu Lys Phe 50 55 60 AAG GGC CGA GTG ACA GTC ACT AGA GAC ACA TCC ACA AAC ACA GCC TAC 240 Lys Gly Arg Val Thr Val Thr Arg Asp Thr Ser Thr Asn Thr Ala Tyr 65 70 75 80 ATG GAG CTC AGC AGC CTG AGG TCT GAG GAC ACA GCC GTC TAT TAC TGT 288 Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 85 90 95 GCA AGA TCC TAC GAC TTT GCC TGG TTT GCT TAC TGG GGC CAA GGG ACT 336 Ala Arg Ser Tyr Asp Phe Ala Trp Phe Ala Tyr Trp Gly Gin Gly Thr 100 105 110 CTG GTC ACA GTC TCC TCA 354 Leu Val Thr Val Ser Ser 115 (2) INFORMATION FOR SEQ ID NO: 78: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 118 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 78: Gin Val Gin Leu Val Gin Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 1 5 10 15 Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Ser Ala Tyr 20 25 30 Trp He Glu Trp Val Arg Gin Ala Pro Gly Lys Gly Leu Glu Trp Val 35 40 45 Gly Glu He Leu Pro Gly Ser Asn Asn Ser Arg Tyr Asn Glu Lys Phe 50 55 60 Lys Gly Arg Val Thr Val Thr Arg Asp Thr Ser Thr Asn Thr Ala Tyr 65 70 75 80 Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 85 90 95 Ala Arg Ser Tyr Asp Phe Ala Trp Phe Ala Tyr Trp Gly Gin Gly Thr 100 105 110 Leu Val Thr Val Ser Ser 115 (2) INFORMATION FOR SEQ ID NO: 79: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 342 base pairs (B) TYPE: nucleic acid (C) STRANDEDNESS: double (D) TOPOLOGY: linear (ii) MOLECULE TYPE: DNA (genomic) (iii) HYPOTHETICAL: NO (iii) ANTI-SENSE: NO (ix) FEATURE: (A) NAME/KEY: CDS (B) LOCATION: 1..342 (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 79: GAC ATC CAG ATG ACC CAG AGC CCA AGC AGC CTG AGC GCC AGC GTG GGT 48 Asp He Gin Met Thr Gin Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 1 5 10 15 GAC AGA GTG ACC ATC ACC TGT AAG TCC AGT CAG AGC CTT TTA TAT AGT 96 Asp Arg Val Thr He Thr Cys Lys Ser Ser Gin Ser Leu Leu Tyr Ser 20 25 30 AGC AAT CAA AAG ATC TAC TTG GCC TGG TAC CAG CAG AAG CCA GGT AAG 144 Ser Asn Gin Lys He Tyr Leu Ala Trp Tyr Gin Gin Lys Pro Gly Lys 35 40 45 GCT CCA AAG CTG CTG ATC TAC TGG GCA TCC ACT AGG GAA TCT GGT GTG 192 Ala Pro Lys Leu Leu He Tyr Trp Ala Ser Thr Arg Glu Ser Gly Val 50 55 60 CCA AGC AGA TTC AGC GGT AGC GGT AGC GGT ACC GAC TTC ACC TTC ACC 240 Pro Ser Arg Phe Ser Gly Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr 65 70 75 80 ATC AGC AGC CTC CAG CCA GAG GAC ATC GCC ACC TAC TAC TGC CAG CAA 288 He Ser Ser Leu Gin Pro Glu Asp He Ala Thr Tyr Tyr Cys Gin Gin 85 90 95 TAT TAT AGA TAT CCT CGG ACG TTC GGC CAA GGG ACC AAG GTG GAA ATC 336 Tyr Tyr Arg Tyr Pro Arg Thr Phe Gly Gin Gly Thr Lys Val Glu He 100 105 110 AAA CGT 342 Lys Arg (2) INFORMATION FOR SEQ ID NO: 80: (i) SEQUENCE CHARACTERISTICS: (A) LENGTH: 114 amino acids (B) TYPE: amino acid (D) TOPOLOGY: linear (ii) MOLECULE TYPE: protein (xi) SEQUENCE DESCRIPTION: SEQ ID NO: 80: Asp He Gin Met Thr Gin Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 1 5 10 15 Asp Arg Val Thr He Thr Cys Lys Ser Ser Gin Ser Leu Leu Tyr Ser 20 25 30 Ser Asn Gin Lys He Tyr Leu Ala Trp Tyr Gin Gin Lys Pro Gly Lys 35 40 45 Ala Pro Lys Leu Leu He Tyr Trp Ala Ser Thr Arg Glu Ser Gly Val 50 55 60 Pro Ser Arg Phe Ser Gly Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr 65 70 75 80 He Ser Ser Leu Gin Pro Glu Asp He Ala Thr Tyr Tyr Cys Gin Gin 85 90 95 Tyr Tyr Arg Tyr Pro Arg Thr Phe Gly Gin Gly Thr Lys Val Glu He 100 105 110 Lys Arg

Claims: CLAIMS 1. A virus, or virus-like particle, derived from a virus or virus-like particle having a receptor for a host cell comprising a modified binding specificity conferred by a binding moiety allowing the virus or virus-like particle to bind to a target cell characterised in that the said host cell receptor is modified or absent so that the virus or virus-like particle is substantially incapable of binding the said host cell. 2. A virus or virus-like particle according to Claim 1 wherein the target cell is eukaryotic. 3. A virus or virus-like particle according to Claim 2 that is an adenovirus, influenza virus, vaccinia virus, any other animal virus or replication-defective derivative of any of these. 4. An adenovirus or influenza virus or vaccinia virus, or a replication defective derivative of any of these, characterized in that the virus has a modified binding specificity conferred by a binding moiety allowing the virus to bind to a target cell. 5. A virus or virus-like particle according to any of Claims 1 to 4 wherein the binding moiety is a monoclonal antibody, an ScFv, a dAb, or a minimal recognition unit of an antibody. 6. A virus or virus-like particle according to any of Claims 1 to 4 wherein the binding moiety is at least part of a ligand of a target cell-specific cell-surface receptor. 7. A virus or virus-like particle according to Claim 5 or 6 wherein the binding moiety recognises a target cell-specific surface antigen. 8. A virus according to any one of Claims 1 to 7 wherein the binding moiety is joined to a molecule on the virus or virus-like particle other than the receptor for its host cell. 9. A virus or virus-like particle according to any one of Claims 1 to 7 wherein the binding moiety is joined to or forms part of the receptor on the said virus or virus-like particle for its host. 10. A virus or virus-like particle according to Claim 8 wherein the said molecule on the surface of the virus or virus-like particle is a protein. 11. A virus or virus-like particle according to Claim 6 wherein the target cell-specific cell-surface receptor is any one of GnRH receptor, MSH receptor and somatostatin receptor. 12. A virus or virus-like particle according to any one of Claims 1 to 11 modified further to contain a gene suitable for gene therapy. 13. A virus or virus-like particle according to Claim 12 wherein the gene encodes a molecule having a directly or indirectly cytotoxic function. 14. A virus or virus-like particle according to Claim 13 wherein the gene encodes any one of interleukin-2, tumour necrosis factor, interferon-gamma, ribonuclease and deoxyribonuclease. 15. A virus or virus-like particle according to Claim 13 wherein the gene encodes an enzyme capable of converting a relatively non- toxic pro-drug into a cytotoxic drug. 16. A virus or virus-like particle according to Claim 15 wherein the gene is either cytosine deaminase or thymidine kinase. 17. A virus or virus-like particle according to Claim 12 wherein the gene overcomes a defect in a gene in the target cell. 18. A virus or virus-like particle according to Claim 17 wherein the gene is any one of CFTR, dystrophin and haemoglobin A. 19. A virus, or virus-like particle, containing nucleic acid, according to any one of Claims 1 to 15 wherein the said virus or virus-like particle is adapted to deliver the said nucleic acid to the target cell. 20. A virus or virus-like particle according to Claim 1 wherein the said receptor comprises protein. 21. A virus according to Claim 20 wherein the virus is influenza virus and the said receptor is the haemagglutinin receptor protein. 22. A virus according to Claim 20 wherein the virus is adenovirus and the said receptor is the penton fibre protein. 23. A virus according to Claim 22 wherein the binding moiety is fused to the penton fibre protein at any one or more of the junctions of the repetitive units of the shaft. 24. A virus according to Claim 23 wherein the binding moiety is a ScFv. 25. A virus according to Claim 24 wherein the ScFv binds to a tumour cell antigen. 26. A virus or virus-like particle according to any one of Claims 1 to 25 wherein the binding moiety is a polypeptide. 27. A virus or virus-like particle according to Claim 26 when dependent on either of Claims 10 or 20 wherein the binding moiety is fused to the protein on the surface of the said virus or virus-like particle. 28. A virus or virus-like particle according to any one of Claims 1 to 27 for use in medicine. 29. A nucleotide sequence encoding the fusion of the binding moiety and the protein on the surface of the virus or virus-like particle according to any one of Claims 23 to 25 and 27. 30. A nucleotide sequence encoding the receptor modified as defined in Claim 8, wherein the receptor comprises a polypeptide backbone. 31. A nucleotide sequence defined in any of Claims 29 or 30 additionally comprising the remainder of the genome of the virus or virus-like particb. 32. A nucleotide sequence encoding a virus or virus-like particle according to any one of Claims 1 to 27. 33. A therapeutic system comprising a virus or virus-like particle according to Claim 15 or 16 and a pro-drug. 34. A method for producing a virus or virus-like particle according to any of Claims 1 to 27 in cell culture, the method comprising (1) infecting the cells with the said virus or virus-like particle, (2) culturing the infected cells until the virus or virus-like particle reaches a sufficiently high titre, (3) harvesting and substantially purifying the virus or virus-like particle and (4) joining the binding moiety to the substantially purified virus or virus-like particle. 35. A method for producing a virus or virus-like particle according to any of Claims 1 to 27 in cell culture, the method comprising (1) genetically modifying the virus or virus-like particle to produce a binding moiety, (2) infecting cells with the genetically modified virus or virus-like particle, (3) culturing the cells until the virus or virus-like particle reaches a sufficiently high titre and (4) harvesting and substantially purifying the genetically modified virus or virus-like particle. 36. A pharmaceutical composition comprising a virus or virus-like particle according to any one of Claims 1 to 27 and a pharmaceutical carrier. 37. A method of treating a mammal having target cells to be destroyed, the method comprising administering the virus or virus-like particle according to Claim 13. 38. A method of treating a mammal having target cells to be destroyed, the method comprising (1) administering a virus or virus-like particle according to Claim 15 or 16, (2) allowing the virus or virus-like particle to bind to and deliver its nucleic acid to the target cell and (3) administering the said pro-drug. 39. A method of treating a mammal having a defective gene, the method comprising administering the virus or virus-like particle according to Claim 17 or 18.

Inventors: EPENETOS AGAMEMNON ANTONIOU, SPOONER ROBERT ANTHONY, EPENETOS, AGAMEMNON, ANTONIOU;, SPOONER, ROBERT, ANTHONY;
Applicants: EPENETOS AGAMEMNON ANTONIOU, IMP CANCER RES TECH, SPOONER ROBERT ANTHONY, EPENETOS, AGAMEMNON, ANTONIOU;, IMPERIAL CANCER RESEARCH TECHNOLOGY LIMITED, SPOONER, ROBERT, ANTHONY;
Application year: 1993
Main classification: C12N15
IPC codes: A61K31, A61K35, A61K38, A61K48, C07K14, C07K16, C12N7, C12N15