Glycoside hydrolase family 9

Glycosyl hydrolase family 9
Identifiers
Symbol Glyco_hydro_9
Pfam PF00759
Pfam clan CL0059
PROSITE PDOC00511
SCOP 1clc
SUPERFAMILY 1clc
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.

References

  1. ↑ Henrissat B, Callebaut I, Fabrega S, Lehn P, Mornon JP, Davies G (July 1995). "Conserved catalytic machinery and the prediction of a common fold for several families of glycosyl hydrolases". Proceedings of the National Academy of Sciences of the United States of America. 92 (15): 7090–4. doi:10.1073/pnas.92.15.7090. PMC 41477. PMID 7624375.
  2. ↑ Davies G, Henrissat B (September 1995). "Structures and mechanisms of glycosyl hydrolases". Structure. 3 (9): 853–9. doi:10.1016/S0969-2126(01)00220-9. PMID 8535779.
  3. ↑ Henrissat B, Bairoch A (June 1996). "Updating the sequence-based classification of glycosyl hydrolases". The Biochemical Journal. 316 ( Pt 2) (Pt 2): 695–6. PMC 1217404. PMID 8687420.
  4. ↑ "Home". CAZy.org. Retrieved 2018-03-06.
  5. ↑ Lombard V, Golaconda Ramulu H, Drula E, Coutinho PM, Henrissat B (January 2014). "The carbohydrate-active enzymes database (CAZy) in 2013". Nucleic Acids Research. 42 (Database issue): D490–5. doi:10.1093/nar/gkt1178. PMID 24270786.
  6. ↑ "Glycoside Hydrolase Family 9". CAZypedia.org. Retrieved 2018-03-06.
  7. ↑ "Ten years of CAZypedia: a living encyclopedia of carbohydrate-active enzymes". Glycobiology. 28 (1): 3–8. December 2018. doi:10.1093/glycob/cwx089. PMID 29040563.
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