Translations:Cytochrome P450/10/en
Jump to navigation
Jump to search
Structure
The active site of cytochrome P450 contains a heme-iron center. The iron is tethered to the protein via a cysteine thiolate ligand. This cysteine and several flanking residues are highly conserved in known P450s, and have the formal PROSITE signature consensus pattern [FW] - [SGNH] - x - [GD] - {F} - [RKHPT] - {P} - C - [LIVMFAP] - [GAD]. Because of the vast variety of reactions catalyzed by P450s, the activities and properties of the many P450s differ in many aspects. In general, the P450 catalytic cycle proceeds as follows: