>sp|Q0TCS4|RL21_ECOL5 Large ribosomal subunit protein bL21 OS=Escherichia coli O6:K15:H31 (strain 536 / UPEC) OX=362663 GN=rplU PE=3 SV=1 MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETVEFAEVLMIANGEEVKIGVPFVDGGVIK AEVVAHGRGEKVKIVKFRRRKHYRKQQGHRQWFTDVKITGISA