Maltose-6'-phosphate glucosidase
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| maltose-6′-phosphate glucosidase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.2.1.122 | ||||||||
| CAS no. | 98445-08-0 | ||||||||
| 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 | ||||||||
| |||||||||
The enzyme maltose-6′-phosphate glucosidase (EC 3.2.1.122) catalyzes the following chemical reaction:
- maltose 6′-phosphate + H2O D-glucose + D-glucose 6-phosphate
It belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. It participates in starch and sucrose metabolism.
Nomenclature
The systematic name of this enzyme class is maltose-6′-phosphate 6-phosphoglucohydrolase. This enzyme is also called phospho-α-glucosidase.
Structural studies
As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1U8X.
References
- Thompson J, Gentry-Weeks CR, Nguyen NY, Folk JE, Robrish SA (1995). "Purification from Fusobacterium mortiferum ATCC 25557 of a 6-phosphoryl-O-α-D-glucopyranosyl:6-phosphoglucohydrolase that hydrolyzes maltose 6-phosphate and related phospho-α-D-glucosides". J. Bacteriol. 177 (9): 2505–12. doi:10.1128/jb.177.9.2505-2512.1995. PMC 176911. PMID 7730284.
