>tr|A0A3V6SDP6|A0A3V6SDP6_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Haifa GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY