Enzyme - EC 2.4.1.186 - Glycogenin glucosyltransferase
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The tridimensional structure of this enzyme has not been resolved yet.
EC
2.4.1.186
Official Name
Glycogenin glucosyltransferase
Alternative Name(s)
Glycogenin
Class
2.Transferases
4.Glycosyltransferases
1.Hexosyltransferases
4.Glycosyltransferases
1.Hexosyltransferases
Catalysed reaction
UDP-glucose + glycogenin
UDP
+ glucosylglycogenin
UDP
+ glucosylglycogeninSubstrates
UDP-glucose
glycogenin
glycogenin
Products
UDP
glucosylglycogenin
glucosylglycogenin
Metabolic Pathways
Other comments
The glycogenin subunit of glycogen synthase (EC 2.4.1.11) catalyzes this reaction, i.e. the enzyme catalyzes its own autoglucosylation. Five molecules of glucose can be transferred to one molecule of glycogenin.