Glucanase
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Glucanases are enzymes that break down a glucan, a polysaccharide made of several glucose sub-units. As they perform hydrolysis of the glucosidic bond, they are hydrolases.
α-glucanases
- α-1,4-glucanase, an enzyme that breaks down α-1,4-glucans
- α-1,6-glucanase, an enzyme that breaks down α-1,6-glucans
- Pullulanase, a specific kind of glucanase that degrades pullulan
β-glucanases
- β-1,3-glucanase, an enzyme that breaks down β-1,3-glucans such as callose or curdlan
- β-1,6 glucanase, an enzyme that breaks down β-1,6-glucans
- Cellulase, an enzyme that perform the hydrolysis of 1,4-beta-D-glucosidic linkages in cellulose, lichenin and cereal β-D-glucans.
- Xyloglucan-specific endo-beta-1,4-glucanase
- Xyloglucan-specific exo-beta-1,4-glucanase
Occurrences
Glucanases can be produced by Neocallimastigomycota, a phylum of anaerobic fungi found in the digestive tracts of herbivores.
See also
- Glycoside hydrolases, a family of enzyme that cut a glycoside from a non-glycosidic molecule
- Glycoside hydrolase family 5
- Glycoside hydrolase family 16
- Glycoside hydrolase family 17
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