Patent ID: 7034142

Claim:
An isolated DNA molecule that can be transcribed to provide an RNA molecule having an untranslated region that provides an increased efficiency of translation of a polypeptide when operably linked to the 5′ end of a region encoding said polypeptide; wherein said DNA molecule (i) does not encode a mammalian Hsp70. (ii) does not comprise an hsp promoter; and (iii) comprises (a) the sequence: 5′ataacggctagcctgaggagctgctgcgacagtccactacc tttttcgagagtgactcccgttgtcccaaggcttcccagagcgaacctgt gcggctgcaggcaccggcgcgtcgagtttccggcgtccggaaggaccgag ctcttctcgcggatccagtgttccgtttccagcccccaatctcagagccg agccgacagagagcagggaaccgc-3′, (SEQ ID NO:1) (b) the complement of the sequence given in (a), or (c) a sequence having substantial sequence identity with a sequence as defined in (a) or (b) above.