glycogenin glucosyltransferase activity
Catalysis of the reaction: UDP-glucose + glycogenin = UDP + glucosylglycogenin. This first reaction is a self glucosylation. Further UDP-glucose goups are added to the [1,4-alpha-D-glucosyl](n) group of glycogenin until a length of about 5-13 residues.
GO:0035251
UDP-glucosyltransferase activity
is_a
1,4alpha-glucan-protein synthase (UDP-forming) activity
exact
UDP-alpha-D-glucose:glycogenin alpha-D-glucosyltransferase activity
related
UDP-glucose:glycogenin glucosyltransferase activity
related
alpha-1,4-glucan-protein synthase (UDP-forming) activity
exact
glycogenin activity
related
priming glucosyltransferase activity
related