LIPID MAPS® Gene/Proteome Database (LMPD)

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LMPD Record

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LMP007462

UniProt Annotations

Entry Information
Gene Nameglycogenin glucosyltransferase GLG2
Protein EntryGLG2_YEAST
UniProt IDP47011
SpeciesYeast (S288c)
Comments
Comment typeDescription
Catalytic ActivityUDP-alpha-D-glucose + glycogenin = UDP + alpha-D-glucosylglycogenin.
FunctionSelf-glucosylating initiator of glycogen synthesis. Catalyzes the formation of a short alpha (1,4)-glucosyl chain covalently attached via a glucose 1-O-tyrosyl linkage to internal tyrosine residues. These chains act as primers for the elongation reaction catalyzed by glycogen synthase. Capable of transferring glucosyl residues to unbound acceptors such as free oligoglucans or oligoglucan derivatives. {ECO:0000269|PubMed:15479227, ECO:0000269|PubMed:8524228, ECO:0000269|PubMed:8900126}.
MiscellaneousPresent with 981 molecules/cell in log phase SD medium. {ECO:0000269|PubMed:14562106}.
SimilarityBelongs to the glycosyltransferase 8 family. Glycogenin subfamily. {ECO:0000305}.
Subcellular LocationCytoplasm {ECO:0000269|PubMed:14562095}.
SubunitInteracts with glycogen synthase GSY2. {ECO:0000269|PubMed:8524228}.