PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
4cvr	BACTERIOFERRITIN Escherichia coli	Ferritin	ASP A  73 GLY A  75 ASP B  73 GLY B  75	None	homomer cyclic	25107631
4od9	CATHEPSIN D HEAVY CHAIN CATHEPSIN D LIGHT CHAIN Homo sapiens	Asp	ASP A  33 GLY A  35 ASP B 231 GLY B 233	2RZ A 103	heteromer cyclic	25086681
4z2z	DNA DAMAGE-INDUCIBLE PROTEIN 1 Saccharomyces cerevisiae	Asp_protease	ASP A 220 GLY A 222 ASP B 220 GLY B 222	None	homomer cyclic	27646017
5o6m	POLYPHOSPHATE:AMP PHOSPHOTRANSFERASE Meiothermus ruber	PPK2	ASP A  79 GLY A  80 ASP C  79 GLY C  80	None	homomer dihedral	29531036