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・ Glycoside hydrolase family 32
・ Glycoside hydrolase family 33
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・ Glycoside hydrolase family 35
・ Glycoside hydrolase family 36
・ Glycoside hydrolase family 37
・ Glycoside hydrolase family 38
・ Glycoside hydrolase family 39
・ Glycoside hydrolase family 4
・ Glycoside hydrolase family 42
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・ Glycoside hydrolase family 44
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Glycoside hydrolase family 48
・ Glycoside hydrolase family 49
・ Glycoside hydrolase family 5
・ Glycoside hydrolase family 52
・ Glycoside hydrolase family 53
・ Glycoside hydrolase family 56
・ Glycoside hydrolase family 57
・ Glycoside hydrolase family 59
・ Glycoside hydrolase family 6
・ Glycoside hydrolase family 61
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Glycoside hydrolase family 48 : ウィキペディア英語版
Glycoside hydrolase family 48

In molecular biology, glycoside hydrolase family 48 is a family of glycoside hydrolases.
Glycoside hydrolases 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.〔(Bairoch, A. "Classification of glycosyl hydrolase families and index of glycosyl hydrolase entries in SWISS-PROT". 1999. )〕 This classification is available on the CAZy(http://www.cazy.org/GH1.html) web site,〔(Henrissat, B. and Coutinho P.M. "Carbohydrate-Active Enzymes server". 1999. )〕 and also discussed at CAZypedia, an online encyclopedia of carbohydrate active enzymes.〔(CAZypedia, an online encyclopedia of carbohydrate-active enzymes. )〕
Glycoside hydrolase family 48 (CAZY GH_48 ) comprises enzymes with several known activities; endoglucanase (); cellobiohydrolase ().
An example of an enzyme containing a domain belonging to this family is one of the cellulases (celA) from the genome of the thermophilic anaerobic bacterium ''Caldocellum saccharolyticum''. The celA gene product is a polypeptide of 1751 amino acids; this has a multidomain structure comprising two catalytic domains and two cellulose-binding domains, linked by Pro-Thr-rich regions. The N-terminal domain encodes an endoglucanase activity on carboxymethylcellulose, consistent with its similarity to several endo-1, 4-beta-D-glucanase sequences, and is a member of the glycoside hydrolase family 9. The C-terminal domain belongs to this family shows similarity to a cellulase from ''Clostridium thermocellum'' (CelS), which acts synergistically with a second component to hydrolyse crystalline cellulose.
==References==


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