>tr|A0A3W0FCB3|A0A3W0FCB3_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Litchfield GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY