>tr|A0A5W3DP00|A0A5W3DP00_SALER Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. arizonae serovar 18:z4,z23:- GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY