>tr|A0A5W6ZNL6|A0A5W6ZNL6_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Poona GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY