Biology:Glycoside hydrolase family 97

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Glycoside hydrolase 97
Identifiers
SymbolGlyco_hydro_97
PfamPF10566
Pfam clanCL0058
InterProIPR019563

In molecular biology, glycoside hydrolase family 97 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 97 (GH97) is a bacterial family. The central part of the GH97 family protein sequences represents a typical and complete (beta/alpha)8-barrel or catalytic TIM-barrel type domain. The N- and C-terminal parts of the sequences, mainly consisting of beta-strands, most probably form two additional non-catalytic domains with as yet unknown functions. The non-catalytic domains of glycosidases from the alpha-galactosidase and alpha-glucosidase superfamilies are also predominantly composed of beta-strands, and at least some of these domains are involved in oligomerisation and carbohydrate binding. In all known glycosidases with the (beta-alpha)8-barrel fold, the amino acid residues at the active site are located on the C-termini of the beta-strands.[8]

External links

References

  1. "Conserved catalytic machinery and the prediction of a common fold for several families of glycosyl hydrolases". Proc. Natl. Acad. Sci. U.S.A. 92 (15): 7090–7094. 1995. doi:10.1073/pnas.92.15.7090. PMID 7624375. Bibcode1995PNAS...92.7090H. 
  2. "Structures and mechanisms of glycosyl hydrolases". Structure 3 (9): 853–859. 1995. doi:10.1016/S0969-2126(01)00220-9. PMID 8535779. 
  3. "Bairoch, A. "Classification of glycosyl hydrolase families and index of glycosyl hydrolase entries in SWISS-PROT". 1999.". http://www.expasy.ch/cgi-bin/lists?glycosid.txt. 
  4. "Home" (in en). http://www.cazy.org/. 
  5. Lombard, Vincent; Golaconda Ramulu, Hemalatha; Drula, Elodie; Coutinho, Pedro M.; Henrissat, Bernard (2014-01-01). "The carbohydrate-active enzymes database (CAZy) in 2013" (in en). Nucleic Acids Research 42 (D1): D490–D495. doi:10.1093/nar/gkt1178. ISSN 0305-1048. PMID 24270786. 
  6. "Glycoside Hydrolase Family 97" (in en). http://www.cazypedia.org/index.php/Glycoside_Hydrolase_Family_97. 
  7. CAZypedia Consortium (2018-12-01). "Ten years of CAZypedia: a living encyclopedia of carbohydrate-active enzymes". Glycobiology 28 (1): 3–8. doi:10.1093/glycob/cwx089. ISSN 1460-2423. PMID 29040563. 
  8. Naumoff DG (2005). "GH97 is a new family of glycoside hydrolases, which is related to the alpha-galactosidase superfamily". BMC Genomics 6: 112. doi:10.1186/1471-2164-6-112. PMID 16131397. 
This article incorporates text from the public domain Pfam and InterPro: IPR019563