AIDS-219980 AIDS219980 F-D2D1 NH2-dykddddkLSNFIETC(x2)RNTQLAGSSELAAEC(x2)KTRAQQFVSTKINLDDHIANIDGTLKYELGKFSQTC(x1)YNSAIQGSVLTSTC(x1)ERTNGGYNTSSIDLNSVIENVDGSLKWQ-COOH