>tr|A0A6B2YQF4|A0A6B2YQF4_9ACTN 50S ribosomal protein L21 OS=Streptomyces sp. SID14515 GN=rplU MYAIVRSGGRQHKVAVGDIVEVDKISTAKVGDTVELSTLLVVDGDAVTSDPWVLDGIKVT AEIVDHHKGAKIDILRYKNKTGYRRRQGHRQQYTAIKVTGIPAAAK