>tr|A0A6L6Y5P1|A0A6L6Y5P1_9ENTR Small ribosomal subunit protein bS21 OS=Raoultella sp. 10-1 GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY