>tr|A0A3V9E317|A0A3V9E317_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Havana GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY