Entry
Name
linamarin synthase;
uridine diphosphoglucose-ketone glucosyltransferase;
uridine diphosphate-glucose-ketone cyanohydrin beta-glucosyltransferase;
UDP glucose ketone cyanohydrin glucosyltransferase;
UDP-glucose:ketone cyanohydrin beta-glucosyltransferase;
uridine diphosphoglucose-ketone cyanohydrin glucosyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
UDP-glucose:2-hydroxy-2-methylpropanenitrile beta-D-glucosyltransferase
Reaction(IUBMB)
UDP-glucose + 2-hydroxy-2-methylpropanenitrile = UDP + linamarin [RN:
R03625 ]
Reaction(KEGG)
Substrate
UDP-glucose [CPD:
C00029 ];
2-hydroxy-2-methylpropanenitrile [CPD:
C02659 ]
Product
Comment
The enzyme glucosylates the cyanohydrins of butanone and pentan-3-one as well as that of acetone.
History
EC 2.4.1.63 created 1972
Pathway
ec01110 Biosynthesis of secondary metabolites
Reference
Authors
Hahlbrock K, Conn EE.
Title
The biosynthesis of cyanogenic glycosides in higher plants. I. Purification and properties of a uridine diphosphate-glucose-ketone cyanohydrin beta-glucosyltransferase from Linum usitatissimum L.
Journal
J Biol Chem 245:917-22 (1970)
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.63
ExPASy - ENZYME nomenclature database: 2.4.1.63
LinkDB
All DBs