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Zeatin O-beta-D-xylosyltransferase

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zeatin O-beta-D-xylosyltransferase
Identifiers
EC no.2.4.2.40
CAS no.110541-22-5
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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PMCarticles
PubMedarticles
NCBIproteins

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

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  • 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.