Sequence alignment between 2hs1(A) and UniProt seq Q7SSI0 (Q7SSI0_9HIV1):

Q7SSI0 (Q7SSI0_9HIV1): Protease (Fragment) from Human immunodeficiency virus 1
                 10        20        30        40        50        60        70        80        90         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: PQITLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGIGGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGSTLNF
         ......X........................XX.............................X...X...........................X....
PDB seq: PQITLWKRPLVTIKIGGQLKEALLDTGADDTIIEEMSLPGRWKPKMIGGIGGFIKVRQYDQIIIEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
                 10        20        30        40        50        60        70        80        90