Biology:Alpha-1,3-glucan synthase
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Short description: Class of enzymes
| alpha-1,3-glucan synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.4.1.183 | ||||||||
| CAS number | 113478-38-9 | ||||||||
| 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 | ||||||||
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In enzymology, an alpha-1,3-glucan synthase (EC 2.4.1.183) is an enzyme that catalyzes the chemical reaction
- UDP-glucose + [alpha-D-glucosyl-(1-3)]n [math]\displaystyle{ \rightleftharpoons }[/math] UDP + [alpha-D-glucosyl-(1-3)]n+1
Thus, the two substrates of this enzyme are UDP-glucose and [alpha-D-glucosyl-(1-3)]n, whereas its two products are UDP and [alpha-D-glucosyl-(1-3)]n+1.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:alpha-D-(1-3)-glucan 3-alpha-D-glucosyltransferase. Other names in common use include uridine diphosphoglucose-1,3-alpha-glucan glucosyltransferase, and 1,3-alpha-D-glucan synthase.
References
- "[Extension of the length of glucan chain by 1,3-alpha-D-glucansynthase from Streptococcus mutans serotype.]". Koku Eisei Gakkai Zasshi 37: 516–517. 1987.
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