Glycosyl hydrolase family 9 | |||||||||
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Identifiers | |||||||||
Symbol | Glyco_hydro_9 | ||||||||
Pfam | PF00759 | ||||||||
Pfam clan | CL0059 | ||||||||
PROSITE | PDOC00511 | ||||||||
SCOP2 | 1clc / SCOPe / SUPFAM | ||||||||
CAZy | GH9 | ||||||||
Membranome | 1017 | ||||||||
|
In molecular biology, glycoside hydrolase family 9 is a family of glycoside hydrolases.
Glycoside hydrolases EC 3.2.1. are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycoside hydrolases, based on sequence similarity, has led to the definition of >100 different families. [1] [2] [3] This classification is available on the CAZy web site, [4] [5] and also discussed at CAZypedia, an online encyclopedia of carbohydrate active enzymes. [6] [7]
Glycoside hydrolase family 9 CAZY GH_9 comprises enzymes with several known activities including endoglucanase ( EC 3.2.1.4) and cellobiohydrolase ( EC 3.2.1.91). These enzymes were formerly known as cellulase family E. Cellulases (Endoglucanases) EC 3.2.1.4 catalyse the endohydrolysis of 1,4-beta-D-glucosidic linkages in cellulose. GH9 family members have also been found in green microalgae (Chlamydomonas, Gonium and Volvox) that show highest sequence identity to endogenous GH9 cellulases from invertebrate metazoans [8] [9]
Glycosyl hydrolase family 9 | |||||||||
---|---|---|---|---|---|---|---|---|---|
Identifiers | |||||||||
Symbol | Glyco_hydro_9 | ||||||||
Pfam | PF00759 | ||||||||
Pfam clan | CL0059 | ||||||||
PROSITE | PDOC00511 | ||||||||
SCOP2 | 1clc / SCOPe / SUPFAM | ||||||||
CAZy | GH9 | ||||||||
Membranome | 1017 | ||||||||
|
In molecular biology, glycoside hydrolase family 9 is a family of glycoside hydrolases.
Glycoside hydrolases EC 3.2.1. are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycoside hydrolases, based on sequence similarity, has led to the definition of >100 different families. [1] [2] [3] This classification is available on the CAZy web site, [4] [5] and also discussed at CAZypedia, an online encyclopedia of carbohydrate active enzymes. [6] [7]
Glycoside hydrolase family 9 CAZY GH_9 comprises enzymes with several known activities including endoglucanase ( EC 3.2.1.4) and cellobiohydrolase ( EC 3.2.1.91). These enzymes were formerly known as cellulase family E. Cellulases (Endoglucanases) EC 3.2.1.4 catalyse the endohydrolysis of 1,4-beta-D-glucosidic linkages in cellulose. GH9 family members have also been found in green microalgae (Chlamydomonas, Gonium and Volvox) that show highest sequence identity to endogenous GH9 cellulases from invertebrate metazoans [8] [9]