>tr|A0A5Y3KUL7|A0A5Y3KUL7_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Johannesburg GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY