>3VIE_1|Chains A, B[auth C], C[auth E]|Envelope glycoprotein gp160|Human immunodeficiency virus 1 (11676) XSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARIL >3VIE_2|Chains D[auth B], E[auth D], F|Sifuvirtide|null XSWETWEREIENYTRQIYRILEESQEQQDRNERDLLE