PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1qou	CEN Antirrhinum majus	PBP	ASN A 112 ARG A 173 ASN B 112 ARG B 173	None	homomer cyclic	10764580
2hp3	IDS-EPIMERASE Agrobacterium tumefaciens	MmgE_PrpD	ARG A 207 ASN A 208 ARG B 207 ASN B 208	None	homomer cyclic	16934291
2nyn	PHENYLALANINE/HISTIDINE AMMONIA-LYASE Trichormus variabilis	Lyase_aromatic	ARG A 442 ASN B 437 ARG C 442 ASN D 437	None	homomer dihedral	17240984