>tr|J3SDM2|J3SDM2_CROAD Ubiquitin-conjugating enzyme E2 A OS=Crotalus adamanteus MSTPARRRLMRDFKRLQEDPPAGVSGAPSENNIMVWNAVIFGPEGTPFEDGTFKLTIEFT EEYPNKPPTVRFVSKMFHPNVYADGSICLDILQNRWSPTYDVSSILTSIQSLLDEPNPNS PANSQAAQLYQENKREYEKRVSAIVEQSWRDC