>tr|E1J0D2|E1J0D2_ECOLX Large ribosomal subunit protein bL21 OS=Escherichia coli MS 124-1 GN=rplU MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETVEFAEVLMIANGEEVKIGVPFVDGGVIK AEVVAHGRGEKVKIVKFRRRKHYRKQQGHRQWFTDVKITGISA