Zeatin O-beta-D-xylosyltransferase
In enzymology, a zeatin O-beta-D-xylosyltransferase (EC 2.4.2.40) is an enzyme that catalyzes the chemical reaction
- UDP-D-xylose + zeatin UDP + O-beta-D-xylosylzeatin
| zeatin O-beta-D-xylosyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.2.40 | ||||||||
| CAS no. | 110541-22-5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are UDP-D-xylose and zeatin, whereas its two products are UDP and O-beta-D-xylosylzeatin.
This enzyme belongs to the family of glycosyltransferases, specifically the pentosyltransferases. The systematic name of this enzyme class is UDP-D-xylose:zeatin O-beta-D-xylosyltransferase. Other names in common use include uridine diphosphoxylose-zeatin xylosyltransferase, and zeatin O-xylosyltransferase.
References
- Turner JE, Mok DW, Mok MC, Shaw G (1987). "Isolation and partial purification of an enzyme catalyzing the formation of O-xylosylzeatin in Phaseolus vulgaris embryos". Proc. Natl. Acad. Sci. U.S.A. 84 (11): 3714–3717. doi:10.1073/pnas.84.11.3714. PMC 304946. PMID 16593839.
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