| U76035 | Z321B | | | | genomic DNA | | Z321B is a later passage of isolate Z321 (seeGenBank Accession Number M15896); Z321 was isolated from a1976 Zairian serum sample; Z321 was grown to industrialscale in a chronically infected T-cell line to manufacturean inactive, therapeutic HIV-1 immunogen; Z321B wasestablished from this industrial scale stock; as withZ321, Z321B contains a mutation in the termination codonof the tat gene | 1 | 231 | 6A,15L,16T,31N,71D,86P,87Q,92P,96I,116R,120S,148V,154K,169F,178T,183G,187D,203R,208G,225S |