>d2fivb_ b.50.1.1 (B:) Feline immunodeficiency virus (FIV) protease {Feline immunodeficiency virus [TaxId: 11673]} vgttttlekrpeilifvngypikfllntgaditilnrrdfqvknsiengrqnmigvgggk rgtnyinvhleirdenyktqcifgnvcvlednsliqpllgrdnmikfnirlvm