>tr|J3S1H7|J3S1H7_CROAD Ubiquitin-conjugating enzyme E2 L3 OS=Crotalus adamanteus MAASRRLMKELEEIRKCGMKNFRNIQVDEANLLTWQGLIVPDNPPYDKGAFRIEINFPAE YPFKPPKITFKTKIYHPNIDEKGQVCLPVISAENWKPATKTDQVIQSLIALVNDPQPEHP LRADLAEEYSKDRKKFCKNAEEFTKKYGEKRPVD