>tr|A0A5J1RJB1|A0A5J1RJB1_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Rissen GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY