NLK-NML/MeSH-CZ-2025-notes huggingface dataset:
avenaciolide: produced by aspergillus avenaceus; inhibits glutamate transport in mitochondria, probably by releasing membrane bound cations; minor descriptor (75-83); on-line & index medicus search lactones (75-83); rn given refers to (3ar-(3aalpha,4alpha,6aalpha))-isomer
avenacosidase: a 60-kda protein that copurifies with phytochrome; a part of the defense system of avena sativa; amino acid sequence given in first source; genbank x78433
avenanthramide-2C: from oats, inhibits vascular smooth muscle cell proliferation and enhances nitric oxide production
avenaol: isolated from the allelopathic plant black oat; consists of a bicyclo(4.1.0)heptanone skeleton containing a cyclopropane ring bearing three main chains projecting in the same direction (i.e. all-cis-substituted cyclopropane)
avfA protein, Aspergillus parasiticus: involved in aflatoxin biosynthesis in aspergillus species; converts averufin to versiconal hemiacetal acetate; probably by oxidation; amino acid ; genbankl af154050 (aspergillus parasiticus) and af159789 (a. flavus)
avian adenovirus type 1 proteinase: 206 aa residues of which 66% are homologous to human ad2 enzyme; aa sequence given in first source; genbank l13161
avian glycoprotein 50-kDa: a predominantly axonally expressed glycoprotein, is a member of the iglon's subfamily; amino acid sequence given in first source
avian retrovirus proteins: possesss dna endonuclease activity & dna-binding properties; see also specific avian retrovirus proteins
avian thymic hormone: thymus-specific parvalbumin; amino acid sequence given in first source
avicularin: from polygonum aviculare l.; rn given refers to l-isomer
aviptadil: is an injectable formulation of vasoactive intestinal polypeptide (vip) in combination with the adrenergic drug phentolamine
avircept sudotox: biotechnically-derived chimeric protein engineered to link the first 178 amino acids of the extacellular domain of cd4 via two linker residues to amino acids 1-3 & 253-613 of pseudomonas exotoxin a; mf c2600-h4130-n748-o812-s10; mw 59.187 kda; amino acid sequence given in first source
avobenzone, padimate O drug combination: contains 7% padimate o & 3% parsol 1789; has proven absorption throughout the uvb and uva spectrum
avoparcin: glycopeptide antibiotic from streptomyces candidus; antibiotic growth promoter for improving growth rates & feed conversion efficiency of broiler chickens & pigs
avrBs1 protein, Xanthomonas campestris: an avirulence protein; amino acid sequence given in first source; mw 50 kda
avrBs3-2 protein, Xanthomonas campestris: from xanthomonas campestris pv. vesicatoria; avirulent in tomato leaves but virulent in pepper leaves; amino acid sequence given in first source
avrBsP protein, Xanthomonas campestris: from xanthomonas campestris pv. vesicatoria; avirulent in tomato leaves but virulent in pepper leaves; amino acid sequence given in first source
avrPph3 protein, Pseudomonas syringae: an avirulence protein from pseudomona syringae pv. phaseolicola; mw 28.7 kda; member of yopt family; causes leaf drop of infected plant; amino acid sequence given in first source; avrpphb is also available; genbank m86401
avrPphB protein, Pseudomonas syringae: an avirulence protein from pseudomona syringae; avrpph3 is also available
avrPto protein, Pseudomonas syringae: avrpto and avrptob genes have phenotypically redundant avirulence activity; 164 amino acid residues, mw 18.3 kda; amino acid sequence given in first source; spelled avrpro in the title; avrptob functions as an e3 ligase in the infected cell
avrRpt2 protein, Pseudomonas syringae: member of a family of avirulence genes from pseudomonas syringae promotes pathogen virulence from inside plant cells; has been sequenced; genbank z21715
avrRxo1 protein, Xanthomonas: avrrxo1 gene from the rice pathogen xanthomonas oryzae pv. oryzicola confers a nonhost defense reaction on maize with resistance gene rxo1; genbank ay395712-3
avrRxv protein, Xanthomonas campestris: an avirulence gene that may specify resistance on tomato line hawaii 7998; 374 amino acid residues, mw 42 kda; amino acid sequence given in first source (orf 2-2); genbank l20423
avrXa10 protein, Xanthomonas: member of a family of avirulence genes from xanthomonas oryzae pv. oryzae; contains an acidic transcriptional activation domain in the functionally conserved c terminus; amino acid sequence given in first source
avrXa7 protein, Xanthomonas oryzae: member of a family of avirulence genes from xanthomonas oryzae pv. oryzae; amino acid sequence given in first source
avrainvilloside: 6-deoxy-6-aminoglucoglycerolipid from the green alga avrainvillea nigricans
awajanomycin: cytotoxic gamma-lactone-delta-lactam metabolite from marine-derived acremonium sp. awa16-1
axenomycins: group of macrolide antibiotics isolated from streptomyces lisandri n.sp.; three different fractions, a,b & d have been isolated; active against cestodes
axerophthene: hydrocarbon analog of retinol; rn given refers to (all-e)-isomer
axicabtagene ciloleucel: cd19 car t cell therapy for treatment of relapsed refractory diffuse large b cell lymphoma (dlbcl), high grade lymphoma, and primary mediastinal b cell lymphoma (pmbcl)
axillaridine-A: a potent natural cholinesterase inhibitor from sarcocca saligna
axinastatin 2: a cycloheptapeptide; from marine sponge axinella sp.
axinastatin 3: a cycloheptapeptide; from marine sponge axinella sp.
axinelline A: cyclooxygenase-2 (cox-2) inhibitor from streptomyces axinellae scsio02208
axinyssamine hydrochloride, (4R*,5R*,7S*,10R*)-4-isocyanato-eudesm-11-ene: eudesmane-type compound from the caribbean sponge axinyssa ambrosia
axinyssene: a cytotoxic diterpene from a japanese marine sponge axinyssa sp
axiphenylalaninium: from the marine sponge axinella polypoides collected in the mediterranean sea
axisonitrile 3: rn given for (5r-(5alpha,6beta,7beta,10alpha))-isomer
axistatin 1: antimicrobial and antineoplastic from the republic of palau marine sponge agelas axifera hentschel
axistatin 2: antimicrobial and antineoplastic from the republic of palau marine sponge agelas axifera hentschel
axistatin 3: antimicrobial and antineoplastic from the republic of palau marine sponge agelas axifera hentschel
axityrosinium: from the marine sponge axinella polypoides collected in the mediterranean sea
axokinin: mw 56,000; heat-stable phosphoprotein from flagella & cilia, whose motility requires its camp-dependent phosphorylation
axolinin: mw 260-kd; from subaxolemmal cytoskeleton in squid giant axon; has important role in maintaining the excitability of the axolemma
ayanin: has cytoprotective and anti-neuroinflammatory activities; isolated from croton schiedeanus (euphorbiaceae)
azaBDPBA compound: a fluorecent dye used in the detection of glucose or hydrogen peroxide
azacycloheptane-2,2-diphosphonate: rn given refers to parent cpd
azacyclonol: major descriptor (65-84); on-line search piperidines (65-84); index medicus search azacyclonol (65-84); rn given refers to parent cpd
azadideoxyadenosine: has anti-hiv activity; may be a reverse transcriptase inhibitor
azadirachta R: from the crude extracts of neem (azadirachta indica a. juss) seeds
azaftig: a urinary proteoglycan from a cachectic cancer patient, causes profound weight loss in mice
azaheterocycle N-methyltransferase: catalyzes the n-methylation of nicotine to n-methylnicotinium
azalanstat: inhibits lanosterol 14 alpha-demethylase, the enzyme which catalyzes the first step in conversion of lanosterol to cholesterol in mammals
azamerone: a terpenoid phthalazinone from a marine-derived bacterium related to the genus streptomyces (actinomycetales)
azamethonium compounds: major descriptor (66-86); on line search methonium compounds (66-86); index medicus search azamethonium compounds (66-86)
azapentacene: used in therapy of senile cataracts; rn given refers to sodium disulfonate
azaphen: antidepressant with a tricyclic structure may affect the autonomic nervous system; minor descriptor (77-85); on-line & index medicus search oxazines (77-85); rn given refers to (di-hcl); don't confuse with azophen, a brand name for antipyrine
azaphilone: pigment from a yellow mutant of the fungus monascus kaoliang
azarolic acid: ursane-type triterpenoid isolated from extract of the leaves of crataegus azarolus var. aronia l.; has anti-vasoconstrictive properties
azaspiracid: a toxin from mussels produced in ireland that caused multiple organ damage
azaspirofuran A: antineoplastic agent isolated from aspergillus sydowi
azaspirofuran B: antineoplastic agent isolated from aspergillus sydowi
azastene: inhibitor of ovarian & adrenal steroidogenesis in rats; progesterone antagonist
azatadine maleate, pseudoephedrine sulfate drug combination: combination of azatadine & pseudoephedrine; used in treatment of respiratory diseases
azelaic bishydroxamic acid: inchikey: vbjzdmotyjehep-uhfffaoysa-n
azelastine: azeptin is azelastine hydrochloride; structure; eye drop formulation effective in relieving symptoms of allergic conjunctivitis; do not confuse with 5-loxin which is an extract of boswellia
azeliragon: orally bioavailable small molecule inhibitor of rage (receptor for advanced glycation endproducts)
azepinomycin: from streptomyces sp. mf718-03; ; rn given from chem abst index guide 1982-6
azepinostatin: isolated from fusarium merismoides; ; rn assigned by cas - 63590-19-2 (ophiocordin; azepinostatin is not the same as ophiocordin)
azerin: a sesquiterpene lactone from ferula; an antiamnestic agent
azetidyl-2-carboxylic acid: a proline analog (with 4-membered ring in place of 5); a toxic non-protein amino acid that is misincorporated into protein in place of proline; induces nonfunctional heat-shock proteins; inhibits acquired thermotolerance; rn given refers to (l)-isomer; found in beets and liliaceae
azetirelin: trh analog; has more potent effect than trh on central nervous system; ; rn from toxline
azidamfenicol, clotrimazole drug combination: combination of clotrimazole & azidamphenicol
azido ruthenium: a photoreactive compound that reacts with and inhibits calcium-binding proteins
azido-Phe-Leu-Leu-4-aminomethyl-Phe-methyl vinyl sulfone: a beta2-selective proteasome inhibitor
azidobenzamido 008: cyclic heptapeptide; ; photosensitive substrate for the multispecific bile acid transporter of heptocytes
azidobestatin: ; a photoaffinity label used for identifying active sites of aminopeptidases; rn given refers to (beta)-isomer
azidoblebbistatin: synthetic derivative of blebbistatin; photoreactive myosin inhibitor
azidodiltiazem: proaffinity label for the benzothiazepine receptor
azidoglycerol: isolated from d7 strain of saccharomyces cerevisiae
azidomorphine: narcotic agonist, semisynthetic deriv of morphine; rn given refers to parent cpd(5alpha,6beta)-isomer
azidothymidine homodinucleotide: erythrocytes loaded with azt(p2)azt act as bioreactors ensuring sustained release of the antiretroviral drug azidothymidine
azilsartan: an angiotensin type 1 receptor blocker; receptor blocker
azilsartan medoxomil: an azilsartan prodrug and angiotensin ii type 1 receptor blocker
azinomycin A: from streptomyces griseofuscus s42227; ; (but biochemistry. 2000 dec 5;39(48):14968-75 says azinomycin b = carzinophilin a)
azinomycin B: c31h33n3o11; from streptomyces griseofuscus s42227
azinothricin: from streptomyces sp.x-14950; hexadepsipeptide
azipranone: rn given refers to di-hcl(4alpha,4abeta,9bbeta)-isomer; structure given in fourth source
aziridine N-methyltransferase, Streptomyces lavendulae: an adomet-dependent enzyme that catalyzes a step in mitomycin c biosynthesis
aziridonin 44: a natural product of the medicinal herb rabdosia rubescens
azo(c)chromene-7,10-dione: from new zealand ascidian aplidium scabellum
azo-LHRH-bovine serum albumin conjugate: develops anti-luteinizing hormone releasing hormone antibodies
azo-LHRH-tetanus toxoid conjugate: develops anti-luteinizing hormone releasing hormone antibodies
azoalbumin: substrate to demonstrate inactivation of trypsin by hymenolepis diminuta
azobenzene: photosensor molecule known to undergo reversible isomerization from trans to cis on illumination with photons of appropriate wavelength; rn given refers to cpd without isomeric designation
azobenzene-BINA: a photoswitchable allosteric agonist that selectively activates the gi-o-coupled metabotropic glutamate receptor 2
azobis(isobutyronitrile): blowing agent for elastomers & plastics; initiator for free radical reactions
azocasein: induces amyloidosis in cba strain mice; no other information available 8/25/80
azocoll proteinase: azocoll is used as a nonspecific substrate for proteolytic assays
azoester: causes hemolysis of human erythrocytes containing carbon monoxyhemoglobin; in those containing oxyhemoglobin instead, causes denaturation of intracellular constituents rather than membrance damage; thiol agent
azofibrin: chromogenic substrate; ground fibrin modified by n-diazobenzenesulfonic acid
azolimine: antagonized effect of mineralcorticoid on renal electrolyte excretion
azopyram: chromogen system containing aminopyrine; no further info avail 11/88
azoricasterol: from the deepwater sponge macandrewia azorica; structure in the first source
azoxy procarbazine oxidase: does not require nad(p) for action or azoxyprocarbazine, but acts as a nad dependent aldehyde dehydrogenase for propionaldehyde
azoxystrobin: a methoxyacrylate analog; a strobilurin fungicide
azulene: reported to be anti-inflammatory principle of matricaria; structure; heat can rearrange it to naphthalene
azumamide E: a natural cyclic tetrapeptide isolated from marine sponge mycale izuensis; histone deacetylase inhibitor
azurechelin: a novel siderophore from pseudomonas (burkholderia) cepacia; does not appear to be either a catechol or a hydroxamate
b protein, Drosophila: a plp-dependent enzyme; refseq nm_057440
b1 protein, Coprinus cinereus: a mating type gene product of coprinus cinereus; amino acid
bBPP-10c: decapeptide fragment of c-type natriuretic peptide precursor; from bothrops jararaca brain and venom gland; has been sequenced
bHLH106 protein, Arabidopsis: refseq nm_129678.2
bHLH11 protein, Arabidopsis: ref seq nm_119773.3
bHLH121 protein, Arabidopsis: refseq nm_001035652
bHLH29 protein, Arabidopsis: involved in iron acquisition regulation; genbank nm_179783
bHLH38 protein, Arabidopsis: strongly induced under iron starvation; has been sequenced
bHLH39 protein, Arabidopsis: strongly induced under iron starvation; refseq nm_115557
bICP0 protein, Bovine herpesvirus 1: the effect of bicp0 is zinc-dependent; mw 97 kda;genbank aj00480; refseq np_045363
bPaAP peptide: an antimicrobial peptide derived from pepsinogens in the stomach of the bullfrog, rana catesbeiana; amino acid
bPcAP peptide: an antimicrobial peptide derived from pepsinogens in the stomach of the bullfrog, rana catesbeiana; amino acid
bZIP17 protein, Arabidopsis: a type ii membrane protein that is translocated to the nucleus to affect salt stress genes; amino acid
bZIP34 protein, Arabidopsis: required for pollen wall patterning and pollen development; has been sequenced
bZIP63 protein, Arabidopsis: a basic leucine zipper (bzip) transcription factor & lesion simulating disease 1 (lsd1) protein from arabidopsis; has been sequenced
ba-wei-xi-lei: a classical herbal mixture widely used for the treatment of oral ulcer and ulcerative colitis; composed of indigo naturalis, bezoar, mirabilitum praeparatum, margarita, borneolum, salmiacum, calcitum and boroborax
babao dan: composed of calculus bovis, saigae tataricae cornu, moschus, notoginseng radix et rhizoma, margarita, snake gall, etc
bacA protein, Enterococcus: isolated from enterococcus faecalis; genbank d78257
bacA protein, Rhizobium meliloti: bacteroid development protein; homologous to sbma protein from e. coli; functions as a transporter of molecules, possibly peptides across the inner membrane; its essential for bacteriod development; amino acid sequence given in first source
baccharin: antileukemic trichothecene triepoxide isolated from baccharis megapotamica, a higher plant but may be plant-altered fungal metabolite
baccharinoid B4: ; isolated from brazilian shrub; rn given from toxlit 8/89
baccharis oxide: a baccharane triterpene with a 3,10-epoxide bridge
bacillaene: an inhibitor of procaryotic protein synthesis; produced by the pksx megacomplex; isolated from bacillus subtilis; a hexaene with molecular formula c35-h48-o7
bacillamide B: a tryptamide thiazole metabolite from a bacillus endophyticus isolated from a bahamian hypersaline microbial mat
bacillamide C: a tryptamide thiazole metabolite from a bacillus endophyticus isolated from a bahamian hypersaline microbial mat
bacillibactin: a 2,3-dihydroxybenzoate-glycine-threonine triester
bacillomycin D: from strain of bacillus subtilis; contains lipid moiety which is mixture of 3-amino-12-methyltridecanoic acid (40%) & 3-amino-12-methyltetradecanoic acid (60%) & peptide moiety: l-asp(1), l-glu(1), l-pro(1), d-ser(1), l-thr(1) & d-tyr(1); two moieties joined by threonyl beta-aminoacid linkage; see also bacillomycin l & bacillomycin s
bacillomycin DC: cyclic lipopeptide isolated from bacillus amyloliquefaciens hab-2; has activity against colletotrichum gloeosporioides
bacillopeptidase F: acidic serine endopeptidase from bacillus subtilis 168
bacillopeptin A: a cyclic lipopeptide; from bacillus subtilis fr-2
bacillopeptin B: a cyclic lipopeptide; from bacillus subtilis fr-2
bacillopeptin C: a cyclic lipopeptide; from bacillus subtilis fr-2
bacillusin A: antibacterial from bacillus amyloliquefaciens ap183
bacilosarcin B: isolated from intestinal contents of the sardine sardinops melanostica
bacilotetrin A: anti-staphylococcal cyclic-lipotetrapeptide from a marine-derived bacillus subtilis
bacilotetrin B: anti-staphylococcal cyclic-lipotetrapeptide from a marine-derived bacillus subtilis
bacilysin synthetase: catalyzes the synthesis of bacilysin from alanine & anticapsin
baciphelacin: isolated from culture filtrate of bacillus thiaminolyticus ifo 3967/b-1-7
bacisarcin C: from culture broth of a marine-derived bacterium bacillus subtilis
bacitracin A: cyclic dodecapeptide antibiotic from bacillus licheniformis; structure in merck index, 9th ed, #942
bacitracin methylenedisalicylic acid: rn given refers to bacitracin, methylenebis(2-hydroxybenzoate)
bacitracin permease: from bacillus; plays important role in bacitracin resistance and collateral detergent sensitivity
bacitracin synthetase: amino acids are activated through formation of aminoacyladenylates & then transferred to thioester sites before polymerization on the enzyme
bacitracin zinc, neomycin sulfate, polymyxin B, drug combination: a mixture of bacitracin, neomycin & polymyxin b usually dispensed as an ointment or cream
bacitracin, polymyxin B drug combination: a topical antibiotic mixture containing bacitracin and polymyxin b; rn given refers to parent cpd
bacitracin-Sepharose complex: efficient ligand for affinity chromatography of aspartyl, serine & metalloproteinases
baconipyrone C: rn given for (alphar-(alphar*(1(r*),2r*),betar*,gammas*,epsilons*))-isomer; isolated from siphonariid mollusks
bacopasaponin C: triterpene glycoside from indian medicinal plant bacopa monniera (b. brahmi); a glycosidic pseudojujobogenin with glucose and rhamnose at the 3-position;
bacosterol-3-O-beta-D-glucopyranoside: from bacopa monnieri (scrophulariaceae)
bacterial polysaccharide immune globulin: a human hyperimmune globulin for treatment/prevention of haemophilus influenzae type b & pneumococcal disease; contains 10-60 times higher concentrations of antibody compared to hib vaccine
bacterial topoisomerase inhibitor GSK126: naphthyridon-aminopiperidine-based nbti
bactericidal permeability increasing protein: from polymorphonuclear leukocytes; cationic bactericidal protein which increases envelope permeability of susceptible gram-negative bacteria; refseq nm_001725 (human)
bactericin: a bulgarian compound; produced from the polyene antibiotic pea 155 (b and c fractions); consists of azolomycin b and polyene and macrolide-type antibiotics; used in crop protection
bacteriochlorin a: photosensitizer agent in photodynamic therapy; rn given refers to (7s-(7-alpha,8beta,17beta,18alpha))-isomer; rn for cpd without isomeric designation not avail 9/90
bacteriochlorophyll A proteins, Bacteria: essential for the reduction of 2-devinyl-2-hydroxyethyl chlorophyllide a
bacteriochlorophyll a synthase: catalyzes esterification of bacteriochlorophyllide with phytol
bacteriochlorophyll b: a major photosynthetic pigment from rhodospira trueperi
bacteriocin B2 protein, Carnobacterium piscicola: genbank l29059
bacteriocin BM1 protein, Carnobacterium piscicola: from carnobacterium piscicola; genbank l29058
bacteriocin MMFII: is a single-chain 37-residue polypeptide containing a single intramolecular disulfide bond; amino acid
bacteriocin S760, Enterococcus faecium: used for prevention and treatment of experimental salmonella infection in mice
bacteriocin TN635, Lactobacillus plantarum: produced by lactobacillus plantarum sp. tn635
bacteriocin-like inhibitory substance, Vibrio harveyi: from a pathogenic strain of vibrio harveyi that has inhibitory action against other vibrio strains/species; n-terminal amino acid
bacteriocuprein: classified with cuzn-superoxide dismutase; no other information available 7/17/81
bacterioferritin comigratory protein, Bacteria: comigrates with bacterioferritin; amino acid sequence given in first source
bacterioopsin(34-65) polypeptide: synthetic 32-residue polypeptide; analog of the membrane spanning segment b (residues 34-65) of halobacterium halobium bacterioopsin; amino acid sequence given in first source
bacteriophage 2 depolymerase: hydrolyzes glycolipoproteins & lipopolysaccharides; releases aminosugars
bacteriophage SPP1 Chu exonuclease: an alkaline exonuclease in the synexo family of viral two-component recombinases; amino acid
bacteriophage SPP1 terminase: required for dna packaging for bacillus subtilis bacteriophage spp1
bacteriophage T3 RNA polymerase: used for the rapid generation of strand-specific rna molecules that can be used for the identification of genes in hybridization experiments
bacteriophage T7 induced DNA polymerase: t7 induced dna polymerase consists of two proteins: phage gene 5 protein & e coli thioredoxin
bacteriophage lambda lysis effector protein S105: has been sequenced; coded by the s gene; a holin
bacteriophage lambda lysis inhibitor protein S107: has been sequenced; coded by the s gene; a holin
bacteriopheophorbide c methyl ester: ; from chloroflexus aurantiacus
bacteriopheophytin: pigment which is the degradation product of bacteriochlorophyll
bacteriorhodopsin precursor: synthesized & accumulated by halobacterium halobium spheroplasts; contains 13 additional amino acids at the nh2 terminus of bacteriorhodopsin
bacteriorhodopsin-like protein, Haloarcula japonica: bacteriorhodopsin-like protein from haloarcula japonica; amino acid
bactobilin: uroporphyrin-related blue bile pigment from clostridium tetanomorphum with 4 acetic & 4 propionic acid side chains
bactobolamine: ; rn given refers to (3s-(3alpha,4alpha,4beta,5beta,6alpha))-isomer
bactobolin D: antibiotic produced by by burkholderia thailandensis e264
bactrocerin-1, Bactrocera dorsalis: an inducible antimicrobial peptide from pupae of oriental fruit fly bactrocera dorsalis hendel
baculovirus PK2: resembles the c-terminal half of a protein kinase domain, was found to inhibit both human and yeast eif2 alpha kinases
badrakemin: from oleo-gum resin of ferula assa-foetida l
bafetinib: a potent and selective dual bcr-abl/lyn tyrosine kinase inhibitor is an agent for imatinib-resistant leukemia
bafibrinase protein, Bacillus: has both thrombolytic and anticoagulant activities
bafilomycin K: an antifungal isolated from streptomyces flavotricini
bafilomycin L: inhibts cholesteryl ester biosynthesis; isolated from streptomyces
bag cell peptide (Aplysia) (1-8): amino acid sequence given in first source
bag cell peptide (Aplysia) (2-8): amino acid sequence given in first source
bagremycin C: from mangrove-derived streptomyces sp. q22
bahamaolide A: antifungal polyene polyol macrolide from the marine actinomycete streptomyces sp.
bahamaolide B: antifungal polyene polyol macrolide from the marine actinomycete streptomyces sp.
bahienoside A: bis(monoterpenoid) indole alkaloid from psychotria bahiensis
bahienoside B: bis(monoterpenoid) indole alkaloid from psychotria bahiensis
bahiensol: a glycerolipid from a cultured myxomycete didymium bahiense var. bahiense
bai protein, Drosophila: required for tkv receptor activity; refseq nm_143066
bai-hu: consists of gypsum, anemarrhena asphodeloides bunge, radix glycyrrhizae, and rice
bai-hu-tang: from the root of glycyrrhiza glabra l. and oryza sativa l
baiE protein, Clostridium scindens: enzyme in the bacterial bile acid 7alpha-dehydroxylation pathway
baiH protein, Eubacterium: involved in bile acid 7-dehydroxylation; amino acid sequence given in first source; genbank u57489
baicalein 5,6,7-trimethyl ether: stimulates fatty acid beta-oxidation
baicalein phosphate: effects airway secretion in anaphylactic shock; rn given refers to di-na salt
baicalein-6-O-glucopyranuronoside: a metabolite of baicalin
baicalin: has iron chelating activity; chemical component of chinese medicinal herb huang-chin (scutellaria baicalensis); do not confuse with baicalein
baimai ointment: a traditional topical medication originated from tibet, china, including 11 components (including curcuma, nutmeg, spikenard, actinolite, licorice, artificial musk, rhizome zingiberis, caraway, acoruscalamus l., pepper and trona)
baimuxiangic acid: from chinese plant aquilaria sinensis (lour.) gilg; rn given refers to (2alpha,5beta(r*))-isomer
baimuxinal: sesquiterpene from chinese plant aquilaria sinensis (lour.) gilg
baimuxinol: isolated from volatile oil of aquilaria sinensis; ; rn given refers to (3r-(3alpha,5aalpha,9alpha,9aalpha)-isomer
baishaoqiwu: nsaid containing: radix paeoniae alba, coptis, scutellaria baicalensis, cortex phellodendri, radix aucklandiae, angelica sinensis and pericarpium arecae
baishouwubenzophenone: isolated from roots of cynanchum auriculatum royle ex wight
baitouweng tang: contains coptis root (huang lian), phellodendron bark (huang bo), fraxinus (qin pi), anemome root (bai tou weng)
baking powder: composed of 30% sodium bicarbonate with cornstarch, sodium aluminum sulfate, calcium acid phosphate & calcium sulfate; baking powder pica mimiks preeclampsia
bakkenolide-IIIa: neuroprotective cpd from the rhizome of petasites trichinous
bakuchicin: a hepatoprotective compound of psoralea corylifolia (leguminosae)
bakumondo-to: a kampo drug; traditional herbal medicine used in the treatment of asthma and bronchitis; consists of crude drugs with some homology to saiboku-to
balanitin 6: has antineoplastic activity; isolated from balanites aegyptiaca
balanophotannin E: cytotoxic hydrolyzable tannin from balanophora japonica
balansain I: isolated from unripe fruit of bromelia balansae; partial amino acid
balansoide A: has both antineoplastic and hemolytic activities; isolated from cephalaria balansae
balaxiflorin A: constituent from balanophora laxiflora with dpph radical-scavenging activity
balaxiflorin B: constituent from balanophora laxiflora with dpph radical-scavenging activity
balgacyclamide A: antiplasmodial heterocyclic peptide from microcystis aeruguinosa eawag 251
balgacyclamide B: antiplasmodial heterocyclic peptide from microcystis aeruguinosa eawag 251
balgacyclamide C: antiplasmodial heterocyclic peptide from microcystis aeruguinosa eawag 251
balofloxacin: showed potent bactericidal activity & inhibited the supercoiling activity of dna gyrase of s. aureus, e. coli, & p aeruginosa
baloxavir: a selective inhibitor of influenza cap-dependent endonuclease for treatment of influenza a and b virus infections
balsalazide: a mesalamine 5-aminosalicylate prodrug; 99% of ingested drug remains intact through the stomach and is delivered to and activated in the colon; used for inflammatory bowel disease, ulcerative colitis and radiation-induced proctosigmoiditis but avoided in patients with known hypersensitivity reaction to salicylates or mesalamine
baltergin, Bothrops alternatus: a snake venom metalloproteinase from bothrops alternatus
balticidin A: antifungal from the baltic sea cyanobacterium anabaena cylindrica bio33
baltikinin peptide, Phyllomedusa baltea: from the skin of the purple-sided leaf frog, phyllomedusa baltea
baltikinin, Phyllomedusa baltea: a myotropic tryptophyllin-3 peptide from the skin secretion of the purple-sided leaf frog, phyllomedusa baltea
bambi-A protein, Xenopus: bambi - bmp and activin membrane-bound receptor
bamboo salt: a korean folk medicine prepared with solar salt (sea salt) baked in bamboo cases; considered anticaries, antiallergic, antineoplastic, nsaid and anti-obesity agent
bamet H2: a bioinorganic complex, was obtained by binding platinum(ii) to two cholylglycinate moieties
bamethan: was heading 1963-94; butylnorsynephrin was see bamethan 1977-94; use ethanolamines to search bamethan 1966-94
baminercept: a lymphotoxin-beta receptor-immunoglobulin fusion protein that blocks the lymphotoxin-alpha/beta/light axis
bamlanivimab and etesevimab drug combination: a mixture of anti-sars-cov-2 antibodies
ban-zhi-lian: anticancer agent containing scutellaria barbata d. don (lamiaceae), a perennial herb, which is natively distributed throughout korea and southern china; known as traditional chinese medicine as ban-zhi-lian and in traditional korean medicine as banjiryun
band 3 protein Memphis variant II: lys replaced by glu at position 56 and pro replaced by leu at position 854
band 3, Campinas: a mutant (intron 8 position + 1g to t) band 3 protein associated with hereditary spherocytosis
band 5 protein, desmosomal: desmosomal plaque protein; mw 83,000
band 6 protein, human: isolated from human erythrocyte membranes; binds directly to v-ki-ras p21protein
banhabackchulchunmatang: a chinese medicine, widely used herbal medicine with vasodilatory actions; is associated with negative modulation of pkcalpha activation and no production
bansyl compound: new reagent for fluorescence labeling of amines, amino acids, & peptides
banxia xiexin decoction: chinese herbal medicine used as representative prescription to regulate spleen and stomach
banxia-baizhu-tianma decoction: containing eight commonly used herbs (pinellia ternata, atractylodes macrocephala, gastrodia elata, tangerine peel, poria cocos, glycyrrhiza, ginger, and red jujube), is a classical chinese herbal formula noted in medical revelations in qing dynasty
bao gong teng A: tropane alkaloid from erycibe obtusifolia benth; causes strong myosis in rabbits; mf is c9-h15-o3-n; rn given refers to (exo,exo)-(-)-isomer
baohuoside II: a flavonol glycoside from the aerial parts of epimedium acuminatum
bapineuzumab: a nootropic agent; in clinical trials for treatment of alzheimer's disease
baptifoline: a major quinolizidine alkaloid from the root of caulopyllum thalictroides
barA protein, E coli: amino acid sequence given in first source; a novel sensor-regulator protein of the homologous family of signal-transduction proteins involved in adaptive responses; phosphorylates uvry, probably via a four-step phosphorelay
barA protein, Streptomyces virginiae: different than vibu receptor; from streptomyces virginiae; genbank d32251
barakol: a tricyclic 3a,4-dihydro-3a,8-dihydroxy-2,5-dimethyl-1,4-dioxaphenalene ring system
baratin: a nonamidated neurostimulating neuropeptide, isolated from insect brains; amino acid sequence known
barbaloin: rn given refers to (r)-isomer; source for isobarbaloin is biol pharm bull 1998 nov; 21(11):1226-7
barbamide: from the marine carribean cyanobacterium lyngbya majuscula
barbatellarine B: has antineoplastic activity; isolated from scutellaria barbata
barbatolysin: a cytolytic peptide isolated from the venom of the red harvester ant, pogonomyrmex barbatus; contains 34-amino acid residues
barbinervic acid: ursane type triterpene from leaves of clethra barbinervis
barbital N-glucoside: ; has been determined not to be a urinary metabolite of barbital
barbituric acid: rn given refers to parent cpd; structure from merck index, 9th ed, #966
barbourin: a gpiib-iiia-specific integrin antagonist form the venom of sisturus m. barbouri; amino acid sequence given in first source
barium copper yttrium oxide: rn given refers to barium copper yttrium oxide unspecified
barium gallogermanate glass: composition is 15bao-15ga2o3-70geo2
barium glass filler: contains bao & sio2; a filler in composite resins
barium selenate: long-acting parenteral selenium supplement for sheep; rn given refers to [1:1]salt
barium sulfate mixt. with calcium hydroxide, caseins and magnesium hydroxide: 1 gram contains calcium hydroxide 445.89 mg, magnesium hydroxide 8.52 mg, casein 14.26 mg & barium sulfate 117.7 mg; solution may not always contain barium sulfate
barium tetracyanoplatinate (II) tetrahydrate: rn given in first source
barlerinoside: has antioxidant, antihistamine, and free radical scavenging activities; isolated from barleria noctiflora
barley alpha-amylase-subtilisin inhibitor: belongs to soybean trypsin inhibitor (kunitz) family; amino acid sequence has been determined
barley lectin: a dimeric protein composed of two identical 18 kd polypeptides; has been sequenced
barminomycin II: ; anthracycline, antibiotic; isolated from actinomadura roseoviolacea or actinomadura carminata
barmumycin: from marine actinomycete streptomyces sp.; cytotoxic against various human tumor cell lines
barrettide A: from the marine sponge geodia barretti; amino acid sequence and
barrettide B: from the marine sponge geodia barretti; amino acid sequence and
barstar protein, Bacillus amyloliquefaciens: intracellular inhibitor of barnase; genbank x15545
barwin protein, Hordeum vulgare: amino acid sequence given in first source; a 13.7 kd basic protein from barley seed, closely related to the c-terminal domain of proteins encoded by wound-induced plant genes
basacid blue NB755: used as a marker by aerial and ground herbicide spray operators in forestry
basic brown 1: a diazo dye, widely used for staining tissues, acid mucins, cartilage in bone specimens, cellulose and dna
basic fibroblast growth factor-kidney disease domain-collagen-binding domain fusion protein, mouse: may be useful for promoting fracture healing in the clinical setting
basic fibroblast growth factor-saporin mitotoxin, recombinant: a chemical conjugate of bfgf & saporin 6, a ribosome-inactivating protein; a cytotoxin to cells expressing bfgf receptor
basic juvenile hormone suppressible protein-1, insect: from lepidopteran trichoplusia ni hemolymph; belongs to a group of hemocyanin-related proteins; specifically transcriptionally suppressed by juvenile hormone; aa sequence known
basic juvenile-hormone suppressible protein-2, insect: from lepidopteran trichoplusia ni hemolymph; belongs to a group of hemocyanin-related proteins; specially transcriptionally suppressed by juvenile hormone; aa sequence known
basic polypeptide-activated protein kinase: requires mn2+ for its activity; from bombyx mori; does not require cyclicamp, cyclicgmp or ca
basic protein I: lysine-49-phospholipase a2; 122 amino acid residues from trimeresurus flavoviridis (habu snake) given in first source
basic protein phi(0): found in nuclei of spermatozoa of sea cucumber holothuria tubulosa
basic red 46: monoazoic dye used for acrylic textiles implicated in contact dermatitis
basidiochrome: siderophore isolated from ceratobasidium and rhizoctonia
basiliscusfibrase: a zn-dependent fibrinolytic enzyme; from the venom of crotalus basiliscus basiliscus; cleaves the aalpha-chain of fibrinogen at lys(413)-leu(414); cbfib1.1 and 1.2 also cleave ser(505)-thr(506) and tyr(560)-ser(561); cbfib3 also cleaves gly(204)-ser(205) and pro(516)-met(517)
basmisanil: highly selective gaba a-alpha5 negative allosteric modulator
basopoietin: factor in leukemic basophils, which when injected into normal rats produces a specific increase in basophil
basparin A, Bothrops asper: a prothrombin-activating metalloproteinase, from the venom of the snake bothrops asper that inhibits platelet aggregation and induces defibrination and thrombosis
basrubrin proteins, Basella rubra: isolated from ceylon spinach seeds; n-terminal amino acid ; mw of alpha=4.3 & beta=5 kda
bassianolide: cyclodepsipeptide from mycelia of beauveria bassiana; inhibits isotonic contractions induced by acetylcholine
bassic acid: from bemelia sartorum; rn given refers to (2beta,3beta,4alpha)-isomer; rn for cpd without isomeric designation not avail 12/91
bastadin 10: isolated from the marine sponge anthella basta;  (does not appear to agree with cas name)
bastadin 12: isolated from the marine sponge anthella basta;  (does not appear to agree with cas name)
bastadin 14: ; isolated form the sponge psammaplysilla purpurea; inhibits dihydrofolate reductase and topoisomerase ii
bastadin 16: isolated from the marine sponge ianthella basta with cytostatic and/or cytotoxic effects
bastadin 20: modulates ry(1)r fkbp12 receptor complex; isolated from ianthella basta
bastadin 21: an isobastarane metabolite from the great barrier reef marine sponge ianthella quadrangulata
bastadin 24: cytotoxic peptide from the australian sponge ianthella quadrangulata
bastadin 26: from the australian marine sponge ianthella flabelliformis; has potent and selective delta-opioid receptor binding affinity
bastadin 6: a macrocyclic tetramer of a spongean brominated tyrosine derivative that inhibits tumor angiogenesis by inducing selective apoptosis to endothelial cells
bastimolide A: an antimalarial from the marine cyanobacterium okeania hirsuta
basudin: organophosphate pesticide effective on a soil protist, colpoda inflata (ciliophora, colpodidae)
batabulin: disrupts microtubule polymerization by binding certain beta-tubulin isotypes; effective against some multidrug-resistant tumors
batatasin-III: a dihydrostilbene which is released from leaves and litter by rain and snowmelt from dwarf shrub empetrum hermaphroditum
batatin III: isolated from the tuberous roots of sweet potato (ipomoea batatas)
batatoside L: has cytotoxicity against laryngeal carcinoma cells; from the roots of sweet potato
bathocuproine disulfonic acid-Dowex 1 X-4 resin: used as preconcentrating agents of trace mercury
bathocuproine sulfonate: reagent for copper; rn given refers to parent cpd
bathymodiolamide A: from a deep-sea hydrothermal vent invertebrate mussel, bathymodiolus thermophilus
bathymodiolamide B: from a deep-sea hydrothermal vent invertebrate mussel, bathymodiolus thermophilus
batroxostatin: from venom of bothrops atrox; contains 71 amino acids; potent inhibitor of fibrinogen-mediated platelet aggregation & fibronectin-mediated adhesion of melanoma cells; amino acid sequence given in first source
batzelladine J: from cytotoxic crude gum obtained from the caribbean sponge monanchora unguifera
batzellamide A: anti-parasitic (trypanosoma, leishmania) alkaloid from the marine sponge monanchora arbuscula
batzellaside A: from a batzella sp. sponge, collected off the west coast of madagascar
batzellaside B: from a batzella sp. sponge, collected off the west coast of madagascar
batzellaside C: from a batzella sp. sponge, collected off the west coast of madagascar
batzelline D: pyrroloquinoline alkaloid from the indopacific sponge zyzzya fuliginosa
bauchampine A: polyoxygenated abietane diterpenoid isolated from rattans of bauhinia championii (benth.) benth.; has anti-arthritic properties
bauerane: triterpenoid derived from the dandelion root (taraxacum officinale)
baurenol: antinociceptive from the aerial parts of carmona retusa and baccharis illinita
bavachin: from psoralea corylifolia (leguminosae), has osteoblastic proliferation stimulating activity; do not confuse with bavachinin
bavaricin A: a bacteriocin produced by lactobacillus bavaricus mi401; inhibits a wide range of lactic acid bacteria; contains 41 aa residues; mw 3500-4000 da; aa sequence given in first source
bayogenin 28-O-rhamnopyranosyl-1-4-glucopyranosyl-1-6-glucopyranosyl ester: isolated from pulsatilla chinensis
bayogenin 3-O-(beta-D-glucopyranoside)-28-O-(alpha-L-rhamnopyranosyl-(1-5)-O-beta-D-apiofuranosyl-(1-4)-O-alpha-L-rhamnopyranosyl ester: from the leaves and stems of duranta repens
bayolin: 100g cream contains 10g ethylene glycol mono-salicylyl ester, 5000 i.e. heparinoid, 2.5g nicotinic acid benzyl ester
baz protein, Drosophila: required for asymmetric segregation of cell-fate determinants; refseq nm_078659
bb8 protein, Drosophila: essential in the development of spermatid mitochondria; refseq nm_142883
bba64 protein, Borrelia burgdorferi: refseq np_045737
bbp2-4 protein, Schizophyllum commune: mushroom-producing fungus elicit mating in yeast; b beta2 mating-type pheromone precursor; amino acid ; genbank af148500
bcl2l10 protein, zebrafish: zebrafish bcl-2 homologue, controls development during somitogenesis and gastrulation via apoptosis-dependent and -independent mechanisms; refseq nm_194398
bdellin: from medicinal leech (hirudo medicinalis) salivary gland
bearline: norditerpene from the extract of the low larkspur delphinium nuttallianum
beat-Ia protein, Drosophila: a 44-48 kda secreted protein the regulates defasciculation at motor axon choice points in drosophila; amino acid sequence given in first source
beauvericin D: 18-membered cyclodepsipeptide; potentiates miconazole activity; isolated from beauveria
beauvericin E: 18-membered cyclodepsipeptide; potentiates miconazole activity; isolated from beauveria
beauvericin F: 18-membered cyclodepsipeptide; potentiates miconazole activity; isolated from beauveria
beauvericin synthetase: multifunctional enzyme catalyzing dipeptide formation in beauveria bassiana
beauverolides: cyclotridepsopeptides from the entemopathogenic fungus beauveria; rn given refers to beauverolide h
bec-1 protein, C elegans: c. elegans bec-1 encodes a predicted 375 amino acid, coiled-coil protein that shares 28% homology with yeast apg6/vps30p and 31% homology with human beclin ; it is essential for normal dauer morphogenesis and life-span extension; has been sequenced
beclin 1 protein, Arabidopsis: required for pollen germination and plant development; has been sequenced
bectumomab: a commercially available b-cell lymphoma monoclonal antibody used for the detection of non-hodgkin's lymphoma
bee venom-albumin polymer: has potential immunotherapeutic value in patients with anaphylactic sensitivity to bee venom
beesioside I: has antineoplastic activity; isolated from souliea vaginata
befiradol: a selective serotonin 5-ht1a receptor agonist
befloxatone: selectively inhibits monoamine oxidase a; ; rn given refers to (r)-isomer
befol: a reverse inhibitor of monoaminoxidase; exhibits selective action on serotonin deamination; rn given refers to parent cpd
befungin: from "chaga" fungus, a birch fungus used in folk medicine
befunolol: synonym bfe 60 refers to hcl; rn given refers to parent cpd
befunolol reductase: has 3-alpha-hydroxysteroid dehydrogenase activity; catalyzes oxidoreduction of prostaglandins
begonanline: cytotoxic and anti-hiv compound from the rhizomes of begonia nantoensis
beidellite: consists of al2o3.3sio2.4h2o
beijeran: consists of linearly (1-3)-linked alpha-d-gala, beta-l-rha, and alpha-d-glc residues, while glucose residue is o-acetylated at c6 position
beiwusine A: has been isolated from the roots of aconitum kusnezoffii reichb
beiwusine B: has been isolated from the roots of aconitum kusnezoffii reichb
bel1 protein, Human foamy virus: taf isolated from simian foamy virus type 1; bel-1 isolated from human foamy virus; tas refers to both, and means transactivator of spumavirus; transactivates hiv-1 ltr-directed gene expression in transient transfection assays; 36 kda protein encoded by unspliced mrna of bel-1 gene; has been sequenced
belagenpumatucel L: a tgf-beta2 antisense gene-modified allogeneic tumor cell vaccine that inhibits tgf-beta2; in phase ii clinical trials for treatment of non-small-cell lung cancer
belantamab mafodotin: a novel anti-bcma antibody conjugated to microtubule-disrupting agent monomethyl auristatin f
belimumab: monoclonal antibody directed against human blys protein (b lymphocyte stimulator) for treatment of autoimmune diseases
belizatinib: a dual anaplastic lymphoma kinase (alk) and tropomyosin-related kinase (trk) inhibitor
belleGlass: nearly as wear-resistant as tooth enamel; consisting of a mixture of aliphatic & urethane dimethacrylate resins
bellodona alkaloid, ergotamine, phenolbarbital drug combination: contains phenobarbital, belladona alkaloids, ergotamine tartrate
belotero balance: a highly cross-linked hyaluronic acid used as a dermal filler
bemethyl: 2-mercaptobenzimidazole deriv.; alkylating agent and mutagen antagonist
bemetizide, triamterene drug combination: combination of dehydrosanol with hesperidin; triamterene; aneurin
benalfocin: rn & rr given from first source; rn not in chemline 9/28/83
benanomicin A: from actinomycete sp. mh193-16f4
benanomicin B: from actinomycete sp. mh193-16f4
benarthin: from streptomyces xanthophaeus mj244-sf1; inhibitor of pyroglutamyl peptidase
bendiocarb: ficam 80w contains 80% of the above chemical cpd as the active ingredient
bengacarboline: a marine alkaloid from the fijian ascidian didemnum sp.; an inhibitor of topoisomerase ii displaying an in vitro cytotoxicity on a wide panel of tumor cell lines
bengalin protein, Heterometrus bengalensis: isolated from the indian black scorpion
benja amarit: thai herbal drug concoction comprised of baliospermum solanifolium (burm.) suresh, garcinia hanburyi hook.f., aloe vera (l.) burm. f., piper nigrum l., piper retrofractum vahl and others
benorilate: was heading 1980-94 (see under salicylates 1980-90); was benorylate see under salicylates 1975-79; benorylate was see benorilate 1980-94; use salicylates to search benorilate 1980-90 & benorylate 1975-79; an ester of aspirin and paracetamol with analgesic, antipyretic, and anti-inflammatory activity used in the treatment of rheumatoid diseases; it has less severe side effects than aspirin
benralizumab: a humanized mab to il-5ralpha for the treatment of asthma
benserazide, levodopa drug combination: combination of l-dopa and seryltrihydroxybenzylhydrazine; used in treatment of parkinsonism
benthiavalicarb: carbamate derivatives that function as inhibitors of cell wall growth and are used as agricultural fungicides
bentiromide: chymotrypsin labile peptide used diagnostically as an index of exocrine pancreas function
benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear naphthacenes
benz(a)anthracene-3,4-dihydrodiol: a benz(a)anthracene metabolite that causes oxidative dna damage
benz(a)anthracene-3,4-dione: a benz(a)anthracene metabolite that causes oxidative dna damage
benzalbutyric acid: inhibitor of cholesterol biosynthesis & blood platelet aggregation; minor descriptor (75-85); on-line & index medicus search butyrates (75-85); rn given refers to parent cpd
benzaldehyde dehydrogenase (NAD+): catalyzes reversibly the oxidation of benzaldehyde to yield benzoate in the presence of nad; see also record for benzaldehyde dehydrogenase (nadp+) ec 1.2.1.7
benzaldehyde lyase: requires thiamine ppi; from pseudomonas fluorescens; cleaves the acycloin linkage of benzoin, producing 2 molecules of benzaldehyde; also acts on anisoin, forming anisaldehyde
benzaldehyde nitrogen mustard-2-pyridine carboxyl acid hydrazone: a topoisomerase iialpha inhibitor with antineoplastic activity
benzaldehyde semicarbazone: has antinociceptive, antiedematogenic and antiangiogenic effects
benzamido-N,N-bis(cyclopentyl)carboxamide: has antinociceptive activity
benzamido-N-prop-2-ynyl-N-cyclopentylcarboxamide: has antinociceptive activity
benzanthracene-1,2-dihydrodiol: rn given refers to parent cpd
benzanthracene-10,11-dihydrodiol: rn given refers to parent cpd
benzanthracene-3,4-dihydrodiol: rn given refers to cpd without isomeric designation
benzanthracene-5,6-dihydrodiol: rn given refers to parent cpd
benzanthracene-8,9-dihydrodiol: rn given refers to parent cpd
benzastatin A: has an aminobenzamide skeleton; isolated from the cultured broth of streptomyces nitrosporeus 30643
benzastatin B: has an aminobenzamide skeleton; isolated from the cultured broth of streptomyces nitrosporeus 30643
benzastatin C: has a tetrahydroquinoline skeleton; isolated from the cultured broth of streptomyces nitrosporeus 30643
benzastatin D: has a tetrahydroquinoline skeleton; isolated from the cultured broth of streptomyces nitrosporeus 30643
benzathine: rn given refers to parent cpd with specified locants for phenylmethyl groups
benzathine benzylpenicillin, procaine benzylpenicillin, drug combination: mixture of above drugs; note: some formulations also include sodium and potassium salts