>sp|Q0T098|RL21_SHIF8 Large ribosomal subunit protein bL21 OS=Shigella flexneri serotype 5b GN=rplU MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETVEFAEVLMIANGEEVKIGVPFVDGGVIK AEVVAHGRGEKVKIVKFRRRKHYRKQQGHRQWFTDVKITGISA