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| Cat.No | ACP04108 | Target Name | GALE |
|---|---|---|---|
| Form | Liquid or Lyophilized powder | Expression System | E.coli |
| Expression Range | 1-348aa | Mol Weight | 54.3kDa |
| Protein Length | Full length | Purity | Greater than 90% as determined by SDS-PAGE. |
| Storage Buffer | 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, Liquid form: default storage buffer is Tris/PBS-based buffer, pH 8.0. |
| Target Species | Human | Uniprot ID | Q14376 |
|---|
Uniprot Id
Q14376
Target Species
Human
Target Name
GALE
Target Full Name
UDP-glucose 4-epimerase
Target Function
Catalyzes two distinct but analogous reactions: the reversible epimerization of UDP-glucose to UDP-galactose and the reversible epimerization of UDP-N-acetylglucosamine to UDP-N-acetylgalactosamine. The reaction with UDP-Gal plays a critical role in the Leloir pathway of galactose catabolism in which galactose is converted to the glycolytic intermediate glucose 6-phosphate. It contributes to the catabolism of dietary galactose and enables the endogenous biosynthesis of both UDP-Gal and UDP-GalNAc when exogenous sources are limited. Both UDP-sugar interconversions are important in the synthesis of glycoproteins and glycolipids.
Target Involvement
Epimerase-deficiency galactosemia (EDG)
Target Protein Families
NAD(P)-dependent epimerase/dehydratase family
Target Research Area
Cell Biology
Target Synonyms
FLJ95174; FLJ97302; Galactose 4 epimerase UDP; Galactowaldenase; galE; GALE_HUMAN; OTTHUMP00000002991; OTTHUMP00000002994; OTTHUMP00000037931; OTTHUMP00000044857; SDR1E1; short chain dehydrogenase/reductase family 1E member 1; UDP galactose 4 epimerase; UDP galactose 4' epimerase; UDP glucose 4 epimerase; UDP-galactose 4-epimerase; UDP-glucose 4-epimerase
Target Background
This gene encodes UDP-galactose-4-epimerase which catalyzes two distinct but analogous reactions: the epimerization of UDP-glucose to UDP-galactose, and the epimerization of UDP-N-acetylglucosamine to UDP-N-acetylgalactosamine. The bifunctional nature of the enzyme has the important metabolic consequence that mutant cells (or individuals) are dependent not only on exogenous galactose, but also on exogenous N-acetylgalactosamine as a necessary precursor for the synthesis of glycoproteins and glycolipids. Mutations in this gene result in epimerase-deficiency galactosemia, also referred to as galactosemia type 3, a disease characterized by liver damage, early-onset cataracts, deafness and cognitive disability, with symptoms ranging from mild ('peripheral' form) to severe ('generalized' form). Multiple alternatively spliced transcripts encoding the same protein have been identified.
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