PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
3io1	AMINOBENZOYL-GLUTAMATE UTILIZATION PROTEIN Klebsiella pneumoniae	Peptidase_M20	ALA A 260 LEU A 261 LEU B 254 ALA B 257	None	homomer dihedral	-
3n2o	BIOSYNTHETIC ARGININE DECARBOXYLASE Vibrio vulnificus	Orn_Arg_deC_N	ALA A 230 LEU A 234 LEU B 425 ALA B 429	None	homomer cyclic	20534592
3nkd	CRISPR-ASSOCIATED PROTEIN CAS1 Escherichia coli	Cas_Cas1	ALA A 103 LEU A 107 LEU B 100 ALA B 103	None	homomer cyclic	21219465
3ty5	POLYNUCLEOTIDE 2',3'-CYCLIC PHOSPHATE PHOSPHODIESTERASE / POLYNUCLEOTIDE 5'-HYDROXYL-KINASE / POLYNUCLEOTIDE 3'-PHOSPHATASE Hungateiclostridium thermocellum	PNKP-ligase_C PNKP_ligase	ALA A 637 LEU A 641 LEU B 641 ALA B 644	None	homomer asymmetric	22308407
4pxe	UREIDOGLYCOLATE HYDROLASE Arabidopsis thaliana	Peptidase_M20	ALA A 310 LEU A 311 LEU B 304 ALA B 307	None	homomer cyclic	25020232