PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
2arc ARABINOSE OPERON REGULATORY PROTEIN
Escherichia coli		AraC_bindingASN A 154
GLU A 157
ASN B 154
GLU B 157
None
homomer
cyclic		9103202
5m7o NITROGEN ASSIMILATION REGULATORY PROTEIN
Brucella abortus		HTH_8
Response_reg
Sigma54_activat		ASN A 360
GLU A 363
ASN B 360
GLU B 363
None
homomer
asymmetric		28088479