>tr|A0A5X6EM54|A0A5X6EM54_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Aqua GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY