Term Name: alpha-1,4-glucan glucosyltransferase (UDP-glucose donor) activity
Synonyms: glycogen (starch) synthetase activity, glyucogen (starch) synthase activity, UDP-glucose-glycogen glucosyltransferase activity, UDP-glucose:glycogen 4-alpha-D-glucosyltransferase activity, UDP-glycogen synthase activity, UDPG-glycogen synthetase activity, UDPG-glycogen transglucosylase activity, UDPglucose:glycogen 4-alpha-D-glucosyltransferase activity, uridine diphosphoglucose-glycogen glucosyltransferase activity
Definition: Catalysis of the reaction: [(1->4)-alpha-D-glucosyl](n) + UDP-alpha-D-glucose = [(1->4)-alpha-D-glucosyl](n+1) + H+ + UDP.
Ontology: GO: Molecular Function [GO:0004373]    QuickGO    AmiGO

Relationships
is a type of: alpha-1,4-glucan glucosyltransferase (NDP-glucose donor) activity UDP-glucosyltransferase activity
negatively regulated by: negative regulation of glycogen (starch) synthase activity
positively regulated by: positive regulation of glycogen (starch) synthase activity
regulated by: regulation of glycogen (starch) synthase activity