>1AIK_1|Chain A[auth N]|HIV-1 GP41 GLYCOPROTEIN|HIV-1 M:B_HXB2R (11706)
XSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARIL
>1AIK_2|Chain B[auth C]|HIV-1 GP41 GLYCOPROTEIN|HIV-1 M:B_HXB2R (11706)
XWMEWDREINNYTSLIHSLIEESQNQQEKNEQELL