>tr|A0A3D8NRP4|A0A3D8NRP4_9ACTN 50S ribosomal protein L21 OS=Streptomyces sp. IB2014 011-12 GN=rplU MYAIVRSGGRQHKVAVGDIVEVDKISTAKVGDTVELSTLLVVDGDAVTSDPWVLDGIKVT AEIVDHHKGAKIDILRYKNKTGYRRRQGHRQQYTAIKVTGIPAAAK