PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
5d4n	NITROGEN REGULATORY PROTEIN P-II Thiomonas intermedia	P-II	LYS A  11 GLU A  13 LYS B  11 GLU B  13 LYS C  11 GLU C  13	None	homomer cyclic	27464895
5o3p	MEMBRANE-ASSOCIATED PROTEIN SLR1513 Synechocystis sp. PCC 6803	-	LYS A  61 GLU A  63 LYS B  61 GLU B  63 LYS C  61 GLU C  63	1PE A 200 1PE C 200	homomer cyclic	29735650