>sp|A0JXK0|RL21_ARTS2 Large ribosomal subunit protein bL21 OS=Arthrobacter sp. GN=rplU MVYAIVRAGGRQEKVSVGDFVTLNRVPGGAGSTIELPALLLVDGDKVTSAAADLAKVTVT AEILQDLRGPKIVIQKFKNKTGYKKRQGHRQELTKVKITGIK