>tr|A0A5H7IBS1|A0A5H7IBS1_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Mapo GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY