small ubiquitin-related modifier 1 precursor [Bos taurus]
MSDQEAKPST EDLGDKKEGE YIKLKVIGQD SSEIHFKVKM TTHLKKLKES YCQRQGVPMN
SLRFLFEGQR IADNHTPKEL GMEEEDVIEV YQEQTGGHST V