PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
2paq	5'-DEOXYNUCLEOTIDASE YFBR Escherichia coli	HD_3	SER A  31 LEU A  35 SER B  31 LEU B  35	None	homomer cyclic	18353368
3tzt	GLYCOSYL TRANSFERASE FAMILY 8 Anaerococcus prevotii	Glyco_transf_8	SER A 259 LEU A 260 SER B 259 LEU B 260	None	homomer cyclic	-
4bkx	METASTASIS-ASSOCIATED PROTEIN MTA1 Homo sapiens	ELM2 Myb_DNA-binding	SER A 237 LEU A 238 SER C 237 LEU C 238	None	heteromer cyclic	23791785
5jwr	CIRCADIAN CLOCK PROTEIN KAIA Thermosynechococcus elongatus	KaiA	SER E 156 LEU E 159 SER F 230 LEU F 233	None	heteromer asymmetric	28302851
5o5l	ADENYLATE CYCLASE Mycobacterium intracellulare	Guanylate_cyc	SER A 219 LEU A 223 SER B 219 LEU B 223	None	homomer cyclic	29087332