The enzyme catalyses teh conversion of carbond dioxide to bicarbonate (carbonic acid). Zinc is the catalytic ion.
CATALYTIC METAL(S)
| Metal/Site Information | |||||
| Residue in MACiE* | Atom in MACiE* | Residue Type in MACiE | Physiological Metal |
Site Type |
Function(s) |
| ZN 262 _ | ZN | zinc | zinc | mononuclear | Increases nucleophilicity Increases acidity |
*It refers to the MACiE reference pdb: 1ca2
| Metal/s Properties in Resting State | ||||||
| ZN 262 _ | Resting state enzyme (2cba) | |||||
| Oxidation State | 2 | |||||
| Coordination Geometry | tetrahedral | |||||
| Coordination Number | 4 | |||||
| Notes | - | |||||
| References |
| -Supuran CT, Scozzafava A, Casini A Carbonic anhydrase inhibitors. Med Res Rev. 2003 Mar;23(2):146-89.(MEDLINE:12500287) |
| -Fisher Z, Hernandez Prada JA, Tu C, Duda D, Yoshioka C, An H, Govindasamy L, Silverman DN, McKenna R Structural and kinetic characterization of active-site histidine as a proton shuttle in catalysis by human carbonic anhydrase II. Biochemistry. 2005 Feb 1;44(4):1097-105.(MEDLINE:15667203) |




