>2HAH_1|Chain A|Protease|Feline immunodeficiency virus (isolate Petaluma) (11674) YNKVGTTTTLEKRPEILIFVNGYPIKFLLDTGADITVLNRRDFQVKNSIENGRQMIGGIGGFIRGTNYINVHLEIRDENYKTQCIFGNVCVLEDNSTPVNILGRDNMIKFNIRLVM