>5tdd_A mol:protein length:76 E3 ubiquitin-protein ligase UBR2 GPLGSLCGRVFKVGEPTYSCRDCAVDPTCVLCMECFLGSIHRDHRYRMTTSGGGGFCDCGDTEAWKEGPYCQKHEL >5tdd_B mol:protein length:4 HIS-ILE-PHE-SER peptide HIFS