The enzyme catalyzes the interconversion of ribulose-5-phosphate and xylulose-5-phosphate. It binds a zinc ion which is directly involved in the reaction mechanism (PMID10191144)
CATALYTIC METAL(S)
| Metal/Site Information | |||||
| Residue in MACiE* | Atom in MACiE* | Residue Type in MACiE | Physiological Metal |
Site Type |
Function(s) |
| ZN 1224 A | ZN | zinc | zinc | mononuclear | Increases acidity Coordinates substrate |
*It refers to the MACiE reference pdb: 1h1z
| Metal/s Properties in Resting State | ||||||
| ZN 1224 A | Resting state enzyme (1h1z) | |||||
| Oxidation State | 2 | |||||
| Coordination Geometry | tetrahedral | |||||
| Coordination Number | 4 | |||||
| Notes | - | |||||
| References |
| -Kopriva S, Süss KH, Schulz GE Structure and catalytic mechanism of the cytosolic D-ribulose-5-phosphate 3-epimerase from rice. J Mol Biol. 2003 Feb 7;326(1):127-35.(MEDLINE:12547196) |
| - Some information have been also deduced from the MACiE mechanism model |