Maltose synthase
| maltose synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.4.1.139 | ||||||||
| CAS number | 81669-74-1 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / EGO | ||||||||
| |||||||||
In enzymology, a maltose synthase (EC 2.4.1.139) is an enzyme that catalyzes the chemical reaction
- 2 alpha-D-glucose 1-phosphate + H2O maltose + 2 phosphate
Thus, the two substrates of this enzyme are alpha-D-glucose 1-phosphate and H2O, whereas its two products are maltose and phosphate.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is alpha-D-glucose-1-phosphate:alpha-D-glucose-1-phosphate 4-alpha-D-glucosyltransferase (dephosphorylating).
References
- Schilling N (1982). "Characterization of maltose biosynthesis from alpha-D-glucose-1-phosphate in Spinacia oleracea L". Planta. 154: 87–93. doi:10.1007/BF00385502.
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