>tr|A0A4P8H0J8|A0A4P8H0J8_9MICC Large ribosomal subunit protein bL21 OS=Arthrobacter sp. 24S4-2 GN=rplU MVYAIVRAGGRQEKVSVGDFVTLNRVPGGAGSTIELPALLLVDGDKVTSAAADLAKVTVT AEILQDLRGPKIVIQKFKNKTGYKKRQGHRQELTKVKITGIK