Maltose synthase
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
| 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 / QuickGO | ||||||||
| |||||||||
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 (March 1982). "Characterization of maltose biosynthesis from α-D-glucose-1-phosphate in Spinacia oleracea. L". Planta. 154 (1): 87–93. doi:10.1007/BF00385502. PMID 24275923.
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