Galactinol—raffinose galactosyltransferase
Template:Short description Template:Infobox enzyme In enzymology, a galactinol-raffinose galactosyltransferase (Template:EC number) is an enzyme that catalyzes the chemical reaction
- alpha-D-galactosyl-(1→3)-1D-myo-inositol + raffinose myo-inositol + stachyose
Thus, the two substrates of this enzyme are α-D-galactosyl-(1→3)-1D-myo-inositol and raffinose, whereas its two products are myo-inositol and stachyose.
This enzyme participates in galactose metabolism.
Nomenclature
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is alpha-D-galactosyl-(1→3)-myo-inositol:raffinose galactosyltransferase. Other names in common use include galactinol-raffinose galactosyltransferase, and stachyose synthetase.
References
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- Template:Cite journal
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- Preiss, J. (Ed.), The Biochemistry of Plants, vol. 3, Academic Press, New York, 1980, p. 221-270.
Template:Glycosyltransferases Template:Enzymes Template:Portal bar