>tr|A0A5W2A7L5|A0A5W2A7L5_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Pretoria GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY