PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
2vfm	BIFUNCTIONAL TAIL PROTEIN Salmonella virus P22	PhageP22-tail	ARG A 502 ARG B 502 ARG C 502	None	homomer cyclic	-
4usi	NITROGEN REGULATORY PROTEIN PII Chlamydomonas reinhardtii	P-II	ARG A  20 ARG B  20 ARG C  20	None	homomer cyclic	25416954
5hjf	FERRITIN, DPS FAMILY PROTEIN Nostoc punctiforme	Ferritin	ARG A 148 ARG C 148 ARG G 148	None	homomer tetrahedral	-