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2.4.1.269: mannosylglycerate synthase

This is an abbreviated version!
For detailed information about mannosylglycerate synthase, go to the full flat file.

Word Map on EC 2.4.1.269

Reaction

GDP-alpha-D-mannose
+
D-glycerate
=
GDP
 +
2-O-(alpha-D-mannopyranosyl)-D-glycerate

Synonyms

MGS

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.269 mannosylglycerate synthase

Natural Substrates Products

Natural Substrates Products on EC 2.4.1.269 - mannosylglycerate synthase

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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
GDP-alpha-D-glucose + D-glycerate
2-O-(alpha-D-glucopyranosyl)-D-glycerate + GDP
show the reaction diagram
-
the enzyme catalyzes the formation of the stress protectant 2-O-alpha-D-mannosyl glycerate
-
-
?
GDP-mannose + D-glycerate
2-O-(alpha-D-mannopyranosyl)-D-glycerate + GDP
show the reaction diagram
Rhodothermus marinus possesses two enzymatic systems for the synthesis of mannosylglycerate. The first one is a single-step pathway in which mannosylglycerate synthase catalyses the synthesis of 2-O-(alpha-D-mannopyranosyl)-D-glycerate in one-step from GDP-mannose and D-glycerate. The second system is a two-step pathway in which mannosyl-3-phosphoglycerate synthase (EC 2.4.1.217) catalyses the conversion of GDP-mannose and 3-phospho-D-glycerate into 2-O-(alpha-D-mannopyranosyl)-3-phospho-D-glycerate, which is then converted to 2-O-(alpha-D-mannopyranosyl)-D-glycerate by mannosyl-3-phosphoglycerate phosphatase (EC 3.1.3.70)
-
-
?