>sp|Q47MV4|RL21_THEFY Large ribosomal subunit protein bL21 OS=Thermobifida fusca GN=rplU MYAIVRAGGRQEKVSVDDVVTIDRVAKEAGDTLNLEPLLVVDNGKVVSDAAELNKYQVTA EVLGEVTGPKIKILKYKSKTGYKRRLGHRQKYTQIRVTGIAAK