Phosphotransferase.

L-galactono-1,4-lactone dehydrogenase, mitochondrial; Involved in the biosynthesis of ascorbic acid. Required for the accumulation of respiratory complex I. Uses L-galactono-1,4-lactone and L-gulono-1,4-lactone as substrates, but not D-galactono-1,4- lactone, D-gulono-1,4-lactone, L-mannono-1,4-lactone or D-galactonic acid. Also active with phenazine methosulfate and 1,4-benzoquinone as electron acceptors.

Phosphotransferase.

GDP-mannose 3,5-epimerase; Catalyzes a reversible epimerization of GDP-D-mannose that precedes the committed step in the biosynthesis of vitamin C (L- ascorbate), resulting in the hydrolysis of the highly energetic glycosyl-pyrophosphoryl linkage. Able to catalyze 2 distinct epimerization reactions and can release both GDP-L-galactose and GDP-L- gulose from GDP-mannose.

Phosphotransferase.

Bifunctional phosphatase IMPL2, chloroplastic; Phosphatase required for histidine production. Acts also on L-galactose 1-phosphate (L-Gal 1-P), D-myoinositol 3-phosphate (D-Ins 3-P) and D-myoinositol 1-phosphate (D-Ins 1-P). Belongs to the inositol monophosphatase superfamily.

Phosphotransferase.

L-galactose dehydrogenase; Catalyzes the oxidation of L-galactose to L-galactono-1,4- lactone in the presence of NAD(+). Uses NAD(+) as a hydrogen acceptor much more efficiently than NADP(+); Belongs to the aldo/keto reductase family.

Phosphotransferase.

Glucose-6-phosphate isomerase, cytosolic; Belongs to the GPI family.

Phosphotransferase.

Sucrose synthase 1; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways; Belongs to the glycosyltransferase 1 family. Plant sucrose synthase subfamily.

Phosphotransferase.

Sucrose synthase 2; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Modulates metabolic homeostasis and directs carbon towards starch synthesis in developing seeds.

Phosphotransferase.

Sucrose synthase 3; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Modulates metabolic homeostasis and direct carbon towards starch synthesis in developing seeds.

Phosphotransferase.

Sucrose synthase 4; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways; Belongs to the glycosyltransferase 1 family. Plant sucrose synthase subfamily.

Phosphotransferase.

Sucrose synthase 5; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Functions in callose synthesis at the site of phloem sieve elements.

Phosphotransferase.

Sucrose synthase 6; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Functions in callose synthesis at the site of phloem sieve elements.

Phosphotransferase.

Inositol-phosphate phosphatase; Phosphatase acting on L-galactose 1-phosphate (L-Gal 1-P), D- myoinositol 3-phosphate (D-Ins 3-P) and D-myoinositol 1-phosphate (D- Ins 1-P). Can also use beta-glycerophosphate (glycerol 2-P) and, to a lesser extent, D-galactose 1-phosphate (D-Gal 1-P), alpha-D-glucose 1- phosphate (a-D-Glc 1-P), D-manitol 1-phosphate and adenosine 2'- monophosphate as substrates. No activity with D-fructose 1-phosphate (D-Fru 1-P), fructose 1,6-bisphosphate (Fru 1,6-bisP), D-glucose 6- phosphate (D-Glc 6-P), D-alpha-glycerophosphate (glycerol 3-P), D- sorbitol 6-phospha [...]

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

L-galactono-1,4-lactone dehydrogenase, mitochondrial; Involved in the biosynthesis of ascorbic acid. Required for the accumulation of respiratory complex I. Uses L-galactono-1,4-lactone and L-gulono-1,4-lactone as substrates, but not D-galactono-1,4- lactone, D-gulono-1,4-lactone, L-mannono-1,4-lactone or D-galactonic acid. Also active with phenazine methosulfate and 1,4-benzoquinone as electron acceptors.

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

GDP-mannose 3,5-epimerase; Catalyzes a reversible epimerization of GDP-D-mannose that precedes the committed step in the biosynthesis of vitamin C (L- ascorbate), resulting in the hydrolysis of the highly energetic glycosyl-pyrophosphoryl linkage. Able to catalyze 2 distinct epimerization reactions and can release both GDP-L-galactose and GDP-L- gulose from GDP-mannose.

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Bifunctional phosphatase IMPL2, chloroplastic; Phosphatase required for histidine production. Acts also on L-galactose 1-phosphate (L-Gal 1-P), D-myoinositol 3-phosphate (D-Ins 3-P) and D-myoinositol 1-phosphate (D-Ins 1-P). Belongs to the inositol monophosphatase superfamily.

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Hexokinase-3; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Probable hexokinase-like 2 protein; Fructose and glucose phosphorylating enzyme.

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Hexokinase-1; Fructose and glucose phosphorylating enzyme. May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol. Acts as sugar sensor which may regulate sugar-dependent gene repression or activation. Mediates the effects of sugar on plant growth and development independently of its catalytic activity or the sugar metabolism. May regulate the execution of program cell death in plant cells. Promotes roots and leaves growth. Belongs to the hexokinase family.

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Hexokinase-2; Fructose and glucose phosphorylating enzyme. May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol. Acts as sugar sensor which may regulate sugar-dependent gene repression or activation. Mediates the effects of sugar on plant growth and development independently of its catalytic activity or the sugar metabolism. May regulate the execution of program cell death in plant cells ; Belongs to the hexokinase family.

Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity).

Hexokinase-like 1 protein; Fructose and glucose phosphorylating enzyme. Belongs to the hexokinase family.