PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1ef8	METHYLMALONYL COA DECARBOXYLASE Escherichia coli	ECH_1	HIS A 220 HIS B 220 HIS C 220	NI A 300	homomer cyclic	10769118
1qhd	VIRAL CAPSID VP6 Rotavirus A	Rota_Capsid_VP6	HIS A 153 HIS B 153 HIS C 153	ZN A 501	homomer cyclic	11285213
1y2m	PHENYLALANINE AMMONIA-LYASE Rhodotorula toruloides	Lyase_aromatic	HIS A 312 HIS A 345 HIS B 408	None	homomer dihedral	16006165
2gnu	REACTION CENTER PROTEIN L CHAIN REACTION CENTER PROTEIN M CHAIN Rhodobacter sphaeroides	Photo_RC	HIS L 190 HIS L 230 HIS M 219	FE2 M1307	heteromer asymmetric	17005199
2j4j	URIDYLATE KINASE Saccharolobus solfataricus	AA_kinase	HIS A 104 HIS C 104 HIS E 104	CO A 230	homomer dihedral	17297917
2wjn	REACTION CENTER PROTEIN L CHAIN REACTION CENTER PROTEIN M CHAIN Blastochloris viridis	Photo_RC	HIS L 190 HIS L 230 HIS M 217	FE2 M 404	heteromer asymmetric	19743880
3grf	ORNITHINE CARBAMOYLTRANSFERASE Giardia intestinalis	OTCace OTCace_N	HIS A  71 HIS B  71 HIS C  71	NI A 328  NI B 328  NI C 328	homomer cyclic	19507245
3tj8	UREASE ACCESSORY PROTEIN UREE Helicobacter pylori	UreE_C UreE_N	HIS A 102 HIS B 102 HIS B 152	NI B 171	homomer cyclic	22010876
4n6a	SERINE ACETYLTRANSFERASE APOENZYME Glycine max	Hexapep SATase_N	HIS A 190 HIS B 190 HIS C 190	None	homomer cyclic	24225955
4ub6	PHOTOSYSTEM II D2 PROTEIN PHOTOSYSTEM Q(B) PROTEIN Thermosynechococcus vulcanus	Photo_RC	HIS A 215 HIS A 272 HIS D 214	FE2 A 401	heteromer asymmetric	25470056
5ljx	ENVELOPMENT POLYPROTEIN Hantaan orthohantavirus	Hanta_G2	HIS A 213 HIS B 213 HIS C 213	None	homomer cyclic	27783711
5v0z	PUTATIVE ACETYLTRANSFERASE SACOL2570 Staphylococcus aureus	Hexapep Hexapep_2 Mac	HIS A  37 HIS B  37 HIS C  37	None	homomer cyclic	-
5y5s	PHOTOSYNTHETIC REACTION CENTER L SUBUNIT PHOTOSYNTHETIC REACTION CENTER M SUBUNIT Thermochromatium tepidum	Photo_RC	HIS L 199 HIS L 239 HIS M 219	FE L 310	heteromer asymmetric	29618814
5z2g	L-AMINO ACID OXIDASE Naja atra	Amino_oxidase	HIS A 233 HIS B 233 HIS B 337	None	homomer cyclic	-