>sp|P63165-2|SUMO1_HUMAN Isoform 2 of Small ubiquitin-related modifier 1 OS=Homo sapiens OX=9606 GN=SUMO1 MSDQDSSEIHFKVKMTTHLKKLKESYCQRQGVPMNSLRFLFEGQRIADNHTPKELGMEEE DVIEVYQEQTGGHSTV