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'''16 August 2023:''' ''An oldie but a goodie.'' The page for '''[[CBM9]]''', one of the original founding top 10 [[Carbohydrate Binding Module Families]], has been completed by '''[[User:Johan Larsbrink|Johan Larsbrink]]''', who multitasked as both [[Author]] and [[Responsible Curator]]. '''[[CBM9]]''' members are often found in ultra-multimodular, xylan deconstructing, bacterial enzymes, and their cellulose-binding functionality has been exploited as affinity tags in recombinant protein purifications. ''Read more on this historically important [[Carbohydrate-binding modules|CBM]] family '''[[CBM9|here]]'''!'' | '''16 August 2023:''' ''An oldie but a goodie.'' The page for '''[[CBM9]]''', one of the original founding top 10 [[Carbohydrate Binding Module Families]], has been completed by '''[[User:Johan Larsbrink|Johan Larsbrink]]''', who multitasked as both [[Author]] and [[Responsible Curator]]. '''[[CBM9]]''' members are often found in ultra-multimodular, xylan deconstructing, bacterial enzymes, and their cellulose-binding functionality has been exploited as affinity tags in recombinant protein purifications. ''Read more on this historically important [[Carbohydrate-binding modules|CBM]] family '''[[CBM9|here]]'''!'' | ||
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Revision as of 09:59, 30 January 2024
4 January 2024: More "Fun" from the sea. Today, Yaoguang Chang Curator Approved the Glycoside Hydrolase Family 187 page Authored by Jingjing Shen. The founding member of GH187 is the alpha-1,3-L-fucanase ("Fun187A") the marine bacterium Wenyingzhuangia aestuarii, which recognizes a specific sulfated motif in seaweed fucans. GH187 is a small family (<50 members) and there remains much to elucidate regarding catalytic mechanism and enzyme structure. Interest in CAZymes active on marine biomass continues to grow, and we welcome this expansion in CAZypedia. Learn more about GH187 here!
17 December 2023: Redox-assisted glycoside hydrolysis. Just before the turn of the new year, Spencer Williams completed the Glycoside Hydrolase Family 188 page. GH188 is the latest representative of a growing number of Glycoside Hydrolase families, including GH4, GH109, GH177, and GH179, which use an NAD-dependent oxidation-elimination-addition-reduction cycle to cleave glycosidic bonds. First established ca. 20 years ago in GH4, this mechanism is therefore distinct from the canonical Koshland mechanisms of glycoside hydrolysis. Notably, because oxidation occurs at C-3 of the sugar ring, followed by elimination at C-1, these enzymes can cleave both alpha- and beta-glycosides! Recently, Spencer, Ethan Goddard-Borger, and Gideon Davies showed that NAD-dependent hydrolysis also extends to sulfoquinovoside hydrolysis by bacterial GH188 members, complementing canonical sulfoquinovosidases in GH31. Read more about these remarkable enzymes here!
16 August 2023: An oldie but a goodie. The page for CBM9, one of the original founding top 10 Carbohydrate Binding Module Families, has been completed by Johan Larsbrink, who multitasked as both Author and Responsible Curator. CBM9 members are often found in ultra-multimodular, xylan deconstructing, bacterial enzymes, and their cellulose-binding functionality has been exploited as affinity tags in recombinant protein purifications. Read more on this historically important CBM family here!