PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
3d31 SULFATE/MOLYBDATE ABC TRANSPORTER, PERMEASE PROTEIN
Methanosarcina acetivorans		BPD_transp_1HIS C 109
GLY C 213
HIS D 109
GLY D 213
None
heteromer
cyclic		18511655
5cwe CYTOCHROME P450 HYDROXYLASE
Streptomyces avermitilis		p450HIS A 339
GLY A 340
HIS B 339
GLY B 340
None
homomer
cyclic		-