>tr|A0A1B7K6F0|A0A1B7K6F0_9ENTR Small ribosomal subunit protein bS21 OS=Kluyvera georgiana ATCC 51603 GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY