LIPID MAPS® Gene/Proteome Database (LMPD)

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LMPD Record

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LMP007168

UniProt Annotations

Entry Information
Gene Nameglycogenin glucosyltransferase GLG1
Protein EntryGLG1_YEAST
UniProt IDP36143
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:8524228, ECO:0000269|PubMed:8900126}.
InductionInduced during the diauxic transition. {ECO:0000269|PubMed:10077186}.
Sequence CautionSequence=AAA91646.1; Type=Erroneous initiation; Evidence={ECO:0000305}; Sequence=CAA82136.1; Type=Erroneous initiation; Note=Translation N-terminally extended.; Evidence={ECO:0000305}; Sequence=CAA82136.1; Type=Frameshift; Positions=6, 38; Evidence={ECO:0000305};
SimilarityBelongs to the glycosyltransferase 8 family. Glycogenin subfamily. {ECO:0000305}.