>tr|F4N2A6|F4N2A6_YEREN Large ribosomal subunit protein bL21 OS=Yersinia enterocolitica W22703 GN=rplU MYAVFQSGGKQHRVSEGQTIRLEKLDIATGEAVEFDQVLMIANGEEINIGAPLVVGGVVK AEVVAHGRGEKIKIVKFRRRKHYRKQQGHRQWFTDVKITGISA