>tr|A0A3Q9LUH7|A0A3Q9LUH7_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar 43:a:1,7 GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY