>6TVU_1|Chain A[auth AaA]|Env polyprotein (Fragment)|Human immunodeficiency virus 1 (11676) XNNLLRAIEAQQHLLQLTVWGIKQLQARILAVERYLKDQX >6TVU_2|Chain B[auth BBB]|Transmembrane protein gp41|Human immunodeficiency virus 1 (11676) QIWNNMTWMEWDREXNNYTSLIHSLIEESQ