>gi|38045944 ubiquitin-activating enzyme 3 isoform 2 [Homo sapiens] MADGEEPMAVDGGCGDTGDWEGRWNHVKKFLERSGPFTHPDFEPSTESLQ FLLDTCKVLVIGAGGLGCELLKNLALSGFRQIHVIDMDTIDVSNLNRQFL FRPKDIGRPKAEVAAEFLNDRVPNCNVVPHFNKIQDFNDTFYRQFHIIVC GLDSIIARRWINGMLISLLNYEDGVLDPSSIVPLIDGGTEGFKGNARVIL PGMTACIECTLELYPPQVNFPMCTIASMPRLPEHCIEYVRMLQWPKEQPF GEGVPLDGDDPEHIQWIFQKSLERASQYNIRGVTYRLTQGVVKRIIPAVA STNAVIAAVCATEVFKIATSAYIPLNNYLVFNDVDGLYTYTFEAERKENC PACSQLPQNIQFSPSAKLQEVLDYLTNSASLQMKSPAITATLEGKNRTLY LQSVTSIEERTRPNLSKTLKELGLVDGQELAVADVTTPQTVLFKLHFTS