>2V31_1|Chain A|UBIQUITIN-ACTIVATING ENZYME E1 X|MUS MUSCULUS (10090)
EFGEEMVLTDSNGEQPLSAMVSMVTKDNPGVVTCLDEARHGFETGDFVSFSEVQGMIQLNGCQPMEIKVLGPYTFSICDTSNFSDYIRGGIVSQVKVPKKISFKSLPASLVE