UBE11_WHEAT UBA1 1051 MLPRKREIVAGEVEDLQKKTRAGEGEVTREEGDAAMAGRGNEIDEDLHSRQLAVYGRETMKRLFGSNVLVSGLQGLGAEIAKNLVLAGVKSVTLHDDGNVELWDLSSNFFLSENDVGQNRAQACVQKLQELNNAVLVSALTGDLTKEHLSKFQAVVFTDISLDKAIEFDDYCHSQQPPIAFIKSEVRGLFGSVFCDFGPEFTVLDVDGEEPHTGIVASISNDNPALVSCVDDERLEFQDGDLVVFSEVHGMTELNDGKPRKVKNARPYSFFLEEDTSSFGAYVRGGIVTQVKPPKVIKFKPLKEAMSEPGEFLMSDFSKFERPPLLHLAFQALDKFRTELSRFPVAGSTDDVQRVIEYAISINDTLGDRKLEEIDKKLLHHFASGSRAVLNPMAAMFGGIVGQEVVKACSGKFHPLYQFFYFDSVESLPVDPLEPGDLKPKNSRYDAQISVFGSKLQNKLEEAKIFMVGSGALGCEFLKNLALMGISCSQNGNLTLTDDDVIEKSNLSRQFLFRDWNIGQPKSTVAATAAMVINPKLHVEALQNRASPETENVFNDAFWENLDAVVNALDNVTARMYIDSRCVYFQKPLLESGTLGAKCNTQMVIPHLTENYGASRDPPEKQAPMCTVHSFPHNIDHCLTWARSEFEGLLEKTPTEVNAFLSNPTTYISAARTAGDAQARDQLERVIECLDRDKCETFQDSITWARLKFEDYFSNRVKQLTFTFPEDSMTSSGAPFWSAPKRFPRPVEFSSSDQSQLSFILAAAILRAETFGIPIPEWAKTPNKLAAEAVDKVIVPDFQPKQGVKIVTHEKATSLSSASVDDAAVIEELIAKLEEVSKTLPSGFHMNPIQFEKDDDTNFHMDVIAGFANMRARNYSIPEVDKLKAKFIAGRIIPAIATSTAMATGLVCLELYKALAGGHKVEDYRNTFANLAIPLFSIAEPVPPKTIKHQELSWTVWDRWTVTGNITLRELLEWLKEKGLNAYSISCGTSLLYNSMFPRHKERLDRKVVDVAREVAKMEVPSYRRHLDVVVACEDDDDNDVDIPLVSVYFR Ubiquitin-activating enzyme E1 1 Activates ubiquitin by first adenylating its C-terminal glycine residue with ATP, and thereafter linking this residue to the side chain of a cysteine residue in E1, yielding an ubiquitin- E1 thioester and free AMP.