>sp|A8M0Z1|RL21_SALAI Large ribosomal subunit protein bL21 OS=Salinispora arenicola GN=rplU MYAIVKTGGKQYKVAEGDVIEVEKLAGAPGDAVQLAAVLLVDGDDLVTDAAKLAEVEVSG EIAAHTKGPKIRIHKFKNKTGYHKRQGHRQPLTQVKVTGISSGK