Sequence alignment between 4khx(A) and UniProt seq A1YNW7 (A1YNW7_9HIV1):

A1YNW7 (A1YNW7_9HIV1): Env polyprotein (Fragment) from Human immunodeficiency virus 1
                 10        20        30        40        50        60        70    
         ---------+---------+---------+---------+---------+---------+---------+----
UniProt: AVGLGAMFLGFLGAAGSTMGAASITLTVQARQVLSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARILAVER
         ....XXXXXXXXXX.XXXXXX.XXXXXXXXXXX.........................................
PDB seq: ----CCGGIKKEIEAIKKEQEAIKKKIEAIEKELSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARIL----
             --------+---------+---------+---------+---------+---------+-------    
                    10        20        30        40        50        60