Glycoside Hydrolase Family 44

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• Author: ^^^Peter Reilly^^^
• Responsible Curator: ^^^Peter Reilly^^^

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Glycoside Hydrolase Family GH44
Clan	None specified
Mechanism	Retaining
Active site residues
CAZy DB link
https://www.cazy.org/GH44.html

Substrate specificities

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This is an example of how to make references to a journal article [1]. (See the References section below). Multiple references can go in the same place like this [1, 2]. You can even cite books using just the ISBN [3]. References that are not in PubMed can be typed in by hand [4].

Kinetics and Mechanism

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Catalytic Residues

Clostridium thermocellum: catalytic proton donor/acceptor: Glu186; catalytic nucleophile: Glu359. Clostridium acetobutylicum: catalytic proton donor/acceptor: Glu180; catalytic nucleophile: Glu352

Three-dimensional structures

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Family Firsts

First stereochemistry determination

Cite some reference here, with a short (1-2 sentence) explanation [1].

First catalytic nucleophile identification

Cite some reference here, with a short (1-2 sentence) explanation [4].

First general acid/base residue identification

Cite some reference here, with a short (1-2 sentence) explanation [2].

First 3-D structure

Cite some reference here, with a short (1-2 sentence) explanation [3].

References

1. Comfort DA, Bobrov KS, Ivanen DR, Shabalin KA, Harris JM, Kulminskaya AA, Brumer H, and Kelly RM. (2007). Biochemical analysis of Thermotoga maritima GH36 alpha-galactosidase (TmGalA) confirms the mechanistic commonality of clan GH-D glycoside hydrolases. Biochemistry. 2007;46(11):3319-30. DOI:10.1021/bi061521n |
2. He S and Withers SG. (1997). Assignment of sweet almond beta-glucosidase as a family 1 glycosidase and identification of its active site nucleophile. J Biol Chem. 1997;272(40):24864-7. DOI:10.1074/jbc.272.40.24864 |

4. Sinnott, M.L. (1990) Catalytic mechanisms of enzymic glycosyl transfer. Chem. Rev. 90, 1171-1202.

   DOI: 10.1021/cr00105a006

5. Kitago, Y., S. Karita, N. Watanabe, M. Kamiya, T. Aizawa, K. Sakka, and I. Tanaka. 2007. Crystal structure of Cel44A, a glycoside hydrolase family 44 endoglucanase from Clostridium thermocellum. J. Biol. Chem. 282:35703–35711.