>tr|A0A3V7KRB3|A0A3V7KRB3_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Pomona GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY