Carbohydrate-active enzymes

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The text below is a template to help you create a consistent layout for GH entries. To get an idea of what to put in each field, save this edit and have a look at any of the GH families by following this link: Category:Glycoside Hydrolase Families (TIP: Right click with your mouse and open the link in a new browser window...)

Make sure to delete this text and the four dashes (line) below when you are done with your page!

Glycoside Hydrolase Family GHnn
Clan GH-x
Mechanism retaining/inverting
Active site residues known/not known
CAZy DB link
    Normal   0         false   false   false                             MicrosoftInternetExplorer4

Enzymatic formation and cleavage of the bond between two sugars or between a sugar and another group can occur by hydrolysis to give the free sugar (glycosidases or glycoside hydrolases), by transglycosylation to give a new glycoside (transglycosidases), by phosphorolysis to give the sugar-1-phosphate (phosphorylases) or by elimination to give unsaturated sugar products (lyases). The principal enzymes that catalyze glycoside synthesis are nucleotide phosphosugar-dependent glycosyltransferases.

Substrate specificities

Kinetics and Mechanism

Catalytic Residues

Three-dimensional structures

Family Firsts

First sterochemistry determination
Cite some reference here, with a short explanation [1].
First catalytic nucleophile identification
First general acid/base residue identification
First 3-D structure


  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 | PubMed ID:17323919 [1]

[[Category:Glycoside Hydrolase Families]]