Laminaribiose phosphorylase
In enzymology, a laminaribiose phosphorylase (EC 2.4.1.31) is an enzyme that catalyzes the chemical reaction
- 3-beta-D-glucosyl-D-glucose + phosphate D-glucose + alpha-D-glucose 1-phosphate
| laminaribiose phosphorylase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.1.31 | ||||||||
| CAS no. | 37257-29-7 | ||||||||
| 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 3-beta-D-glucosyl-D-glucose and phosphate, whereas its two products are D-glucose and alpha-D-glucose 1-phosphate.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is 3-beta-D-glucosyl-D-glucose:phosphate alpha-D-glucosyltransferase.
References
- Goldemberg SH, Marechal LR, De Souza BC (1966). "Beta-1,3-oligoglucan: orthophosphate glucosyltransferase from Euglena gracilis". J. Biol. Chem. 241 (1): 45–50. PMID 5901055.
- Manners DJ, Taylor DC (1967). "Studies on carbohydrate metabolizing enzymes. XVI. Specificity of laminaribiose phosphorylase from Astasia ocellata". Arch. Biochem. Biophys. 121 (2): 443–51. doi:10.1016/0003-9861(67)90099-9. PMID 6057111.
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