>tr|A0A9Q4T0X1|A0A9Q4T0X1_9GAMM Large ribosomal subunit protein bL21 OS=Proteus sp. G4445 GN=rplU MYAVFQSGGKQHRVSEGQTIRLEKLEVATGETIEFDTVMMVADGDNIQIGAPILEGVKVK AEVVAHGRGEKVKIVKFRRRKHSRKQQGHRQWFTDVKITGIA