>tr|A0A1Z1SNV1|A0A1Z1SNV1_PROMI Large ribosomal subunit protein bL21 OS=Proteus mirabilis GN=rplU MYAVFQSGGKQHRVSEGQTIRLEKLEVATGETIEFDTVMMVADGDNIQIGAPILEGVKVK AEVVAHGRGEKVKIVKFRRRKHSRKQQGHRQWFTDVKITGIA