>tr|A0A729Q4M7|A0A729Q4M7_SALHO Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. houtenae serovar 18:z36,z38:- GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY