>5H0N_1|Chains A, C, E, G, I, K|HIV-1 gp41 NHR|Human immunodeficiency virus 1 (11676) TLTVQARQLLSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARIL >5H0N_2|Chains B, D, F, H, J, L|HIV-1 fusion inhibitor MT-WQ-IDL|Human immunodeficiency virus 1 (11676) MTWEEWDKKIEEYTKKIEELIKKSQNQQIDL