>tr|A0A265B3K6|A0A265B3K6_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Heidelberg GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY