>sp|Q72DK2|RL21_NITV2 Large ribosomal subunit protein bL21 OS=Nitratidesulfovibrio vulgaris GN=rplU MYAIIETGGKQFRVEEGSKIFVEKLASEAGSEIVIDKVLMLGGGDVKVGAPYVENAKVTA EVVEHGRGEKVVIFKKWRRNDSRKKQGHRQDFTALKIKAITA