>tr|A0A509BE00|A0A509BE00_9ENTR Large ribosomal subunit protein bL21 OS=Salmonella sp. NCTC 6947 GN=rplU MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETIEFAEVLMIANGEEVKIGVPFVDGGVIK AEVVAHGRGEKVKIVKFRRRKHYRKQQGHRQWFTDVKITGISA