>d2rspb_ b.50.1.1 (B:) Rous sarcoma virus protease {Rous sarcoma virus, strain pr-C [TaxId: 11886]} lamtmehkdrplvrviltntgshpvkqrsvyitalldsgaditiiseedwptdwpvmegi pmrksrdmielgvinrdgslerplllfpavamvrgsilgrdclqglglrltnl