>tr|A0A5J2M1P5|A0A5J2M1P5_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Brandenburg GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY