PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
4kw2	UNCHARACTERIZED PROTEIN Parabacteroides distasonis	AP_endonuc_2	ASP A 250 LYS A 253 ASP B 250 LYS B 253 ASP C 250 LYS C 253	SO4 B 302	homomer cyclic	-
5cj9	ARGININE REPRESSOR Bacillus halodurans	Arg_repressor Arg_repressor_C	ASP A  91 LYS A 135 ASP B  91 LYS B 135 ASP C  91 LYS C 135	None	homomer cyclic	27171430