Patent ID: 7378515

Claim:
An isolated nucleic acid molecule comprising a sequence encoding SIV or HIV retroviral Gag and Pol polypeptides, whereby the amino acid Ala is encoded only by the nucleic acid triplet gcc or gct, Arg is encoded only by agg or aga, Asn is encoded only by aac or aat, Asp is encoded only by gac or gat, Cys is encoded only by tgc or tgt, Gln is encoded only by cag or caa, Glu is encoded only by gag or gaa, Gly is encoded only by ggc or gga, His is encoded only by cac or cat, Ile is encoded only by atc or att, Leu is encoded only by ctg or ctc, Lys is encoded only by aag or aaa, Met is encoded only by atg, Phe is encoded only by ttc or ttt, Pro is encoded only by ccc or cct, Ser is encoded only by agc or tcc, Thr is encoded only by acc or aca, Trp is encoded only by tgg, Tyr is encoded only by tac or tat, Val is encoded only by gtg or gtc and the stop codon is tga or taa.