Sucrose α-glucosidase
Sucrose α-glucosidase (EC 3.2.1.48, sucrose α-glucohydrolase, sucrase, sucrase-isomaltase, sucrose.α.-glucohydrolase, intestinal sucrase, sucrase(invertase)) is an enzyme with systematic name sucrose-α-D-glucohydrolase. It catalyses the hydrolysis of sucrose and maltose by an α-D-glucosidase-type action.
| Sucrose α-glucosidase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.2.1.48 | ||||||||
| CAS no. | 37288-39-4 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
This enzyme is isolated from intestinal mucosa as a single polypeptide chain. The human sucrase-isomaltase is a dual-function enzyme with two GH31 domains, one serving as the isomaltase, the other serving as a sucrose α-glucosidase.
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