>sp|B5YS75|RL21_ECO5E Large ribosomal subunit protein bL21 OS=Escherichia coli O157:H7 GN=rplU MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETVEFAEVLMIANGEEVKIGVPFVDGGVIK AEVVAHGRGEKVKIVKFRRRKHYRKQQGHRQWFTDVKITGISA