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2.4.1.266: glucosyl-3-phosphoglycerate synthase

This is an abbreviated version!
For detailed information about glucosyl-3-phosphoglycerate synthase, go to the full flat file.

Word Map on EC 2.4.1.266

Reaction

NDP-glucose
+
3-phospho-D-glycerate
=
NDP
+
2-O-(alpha-D-glucopyranosyl)-3-phospho-D-glycerate

Synonyms

glucosyl-3-phosphoglycerate synthase, glucosyl-3-phosphoglycerate synthase/phosphatase, glucosylphosphoglycerate synthase, GpgS, GpgS protein, GpgS/P, More, MSMEG_5084, RB1005, Rv1208 protein

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.266 glucosyl-3-phosphoglycerate synthase

Systematic Name

Systematic Name on EC 2.4.1.266 - glucosyl-3-phosphoglycerate synthase

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SYSTEMATIC NAME
IUBMB Comments
NDP-glucose:3-phospho-D-glycerate 2-alpha-D-glucosyltransferase
The enzyme is involved in biosynthesis of 2-O-(alpha-D-glucopyranosyl)-D-glycerate via the two-step pathway in which glucosyl-3-phosphoglycerate synthase catalyses the conversion of GDP-glucose and 3-phospho-D-glycerate into 2-O-(alpha-D-glucopyranosyl)-3-phospho-D-glycerate, which is then converted to 2-O-(alpha-D-glucopyranosyl)-D-glycerate by EC 3.1.3.85 glucosyl-3-phosphoglycerate phosphatase. The activity is dependent on divalent cations (Mn2+, Co2+, or Mg2+). The enzyme from Persephonella marina shows moderate flexibility on the sugar donor concerning the nucleotide moiety (UDP-glucose, ADP-glucose, GDP-glucose) but is strictly specific for glucose. The enzyme is also strictly specific for 3-phospho-D-glycerate as acceptor [1]. The enzyme from Methanococcoides burtonii is strictly specific for GDP-glucose and 3-phospho-D-glycerate [2]. This enzyme catalyses the first glucosylation step in methylglucose lipopolysaccharide biosynthesis in mycobacteria [4,5].