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Welcome to CAZypedia!
The Encyclopedia of Carbohydrate-Active Enzymes.
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CAZypedia has been initiated as a community-driven resource to assemble a comprehensive encyclopedia of the "CAZymes," the carbohydrate-active enzymes and associated carbohydrate-binding modules involved in the synthesis and degradation of complex carbohydrates. CAZypedia is inspired by, and closely connected with, the actively curated CAZy Database.
It's probably fair to say that CAZypedians are, like our friends at the CAZy DB, a group of "biocurators."


CAZypedia initially focussed on the Glycoside Hydrolase Families defined in the CAZy Database, and we continue to strive for complete coverage of this diverse class of enzymes. Other catabolic and anabolic CAZymes (e.g. Polysaccharide Lyases and Glycosyltransferases), as well as Auxiliary redox enzymes and non-catalytic Carbohydrate Binding Modules, continue to be incorporated as interest and engagement from the scientific community grows. In addition, there is a Lexicon of terms relevant to CAZymes and carbohydrate chemistry.
These and other aspects of CAZypedia's content can be accessed through the menus on the left side of each page.

How CAZypedia works

CAZypedia is built on authoring and editing principles similar to those of other expert-based online encyclopedias (cf. Citizendium, Scholarpedia). All contributors to CAZypedia, from the Authors to the Board of Curators, are experts in the field. Transparency is achieved through the use of contributors' real names and published biographies in CAZypedia. Individual entries in CAZypedia are managed by Responsible Curators, who are responsible for selecting expert Authors and coordinating author contributions on individual pages. Selection of Responsible Curators, based on their specialist expertise and ability to participate in the active maintenance of entry content, is handled by the Senior Curators.
More information on CAZypedia's content and editorial policies is available here.
A short lecture and a set of slides presenting CAZypedia are freely available here.


If you would like to contact the Board of Curators to get involved with CAZypedia or suggest an improvement, please use this form.

Latest news

19 March 2015: Closing-in on 100: CAZypedia is on the way to an important milestone, our 100th Curator Approved Glycoside Hydrolase Family page. Thanks go to our colleagues Tomomi Sumida, who completed the Glycoside Hydrolase Family 123 page on March 17, and Wataru Saburi and Haruhide Mori, who completed the Glycoside Hydrolase Family 130 page on March 18. Members of these two GH families represent very distinct structures, specificities, and mechanisms, about which you can learn more on their individual pages. The high GH family numbers of these two groups reflect their comparatively recent addition to the CAZy Database and highlight the continuing evolution of the field through the discovery of new CAZymes.

23 February 2015: The sites that bind: Birte Svensson and Darrell Cockburn have completed the Surface Binding Site page within the CAZypedia Lexicon. Surface binding sites are substrate-binding regions found on the catalytic domain of carbohydrate-active enzymes and appear to play complementary roles to carbohydrate-binding modules in facilitating the action of polysaccharide-degrading glycoside hydrolases. Read more about these intriguing features and their distribution among CAZymes here.

20 February 2015: One for the Gals: Harry Gilbert has given the Carbohydrate Binding Module Family 62 page, which was authored by Cedric Montanier, Curator Approved status today. Functional and structural characterization of the archetypal CBM62 member from a Clostridium thermocellum xylanase revealed a strong affinity for galactose residues of either anomeric configuration on plant polysaccharides. Although the precise roles of this and other CBM62 members remains somewhat ambiguous, it is clear that these modules are relevant to the targeting of enzymes to the composite plant cell wall. Read more about the work of the all-star team that put CBM62 on the map (of CAZy families), here.

19 January 2015: Still in the high 70's today: Zui Fujimoto brought the Glycoside Hydrolase Family 78 page up to Curator Approved status today, making it CAZypedia's 97th approved GH page. GH78 is a family of archaeal, bacterial, and fungal alpha-L-rhamnosidases that cleave diverse flavonoid glycosides, polysaccharides, glycoproteins, and glycolipids from plants. Read more on these ecologically relevant enzymes here.

7 January 2015: Love your guts: CAZypedia is ringing in the new year with a new Glycoside Hydrolase Family 76 page by Spencer Williams. GH76 contains endo-acting α-mannanases, including members from the human gut bacterium Bacteroides thetaiotaomicron that enable us to degrade yeast mannans in our diet. A very recent publication in Nature, notably involving CAZypedia contributors Michael Suits, Al Boraston, Spencer Williams, Gideon Davies, Wade Abbott, and Harry Gilbert, has recently shed new light on the structure, mechanism, and biological function of these enzymes. Read more here!

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CAZypedia is dedicated to the late Prof. Bruce Stone, whose enthusiasm to create a comprehensive encyclopedia of carbohydrate-active enzymes was essential in the genesis of this project.
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