Zeatin O-beta-D-xylosyltransferase
zeatin O-beta-D-xylosyltransferase | |||||||||
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Identifiers | |||||||||
EC number | 2.4.2.40 | ||||||||
CAS number | 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 / EGO | ||||||||
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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
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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