>sp|B1VXD6|RL21_STRGG Large ribosomal subunit protein bL21 OS=Streptomyces griseus subsp. griseus GN=rplU MYAIVRSGGRQHKVAVGDIVEVDKISTAKVGDTVELSTLLVVDGDAVTSDPWVLDGIKVT AEIVDHHKGAKIDILRYKNKTGYRRRQGHRQQYTAIKVTGIPAAAK