Glycoside Hydrolase Family 136

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• Author: ^^^Chihaya Yamada^^^
• Responsible Curator: ^^^Shinya Fushinobu^^^

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Glycoside Hydrolase Family GH136
Clan	GH-x
Mechanism	retaining
Active site residues	known
CAZy DB link
https://www.cazy.org/GH136.html

Substrate specificities

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Authors may get an idea of what to put in each field from Curator Approved Glycoside Hydrolase Families. (TIP: Right click with your mouse and open this link in a new browser window...)

In the meantime, please see these references for an essential introduction to the CAZy classification system: [1, 2].

Kinetics and Mechanism

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Catalytic Residues

The nucleophile is Asp418. The catalytic acid/base is Asp411 via water molecule.

Three-dimensional structures

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Family Firsts

First stereochemistry determination

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First catalytic nucleophile identification

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First general acid/base residue identification

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First 3-D structure

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References

3. Sakurama H, Kiyohara M, Wada J, Honda Y, Yamaguchi M, Fukiya S, Yokota A, Ashida H, Kumagai H, Kitaoka M, Yamamoto K, and Katayama T. (2013). Lacto-N-biosidase encoded by a novel gene of Bifidobacterium longum subspecies longum shows unique substrate specificity and requires a designated chaperone for its active expression. J Biol Chem. 2013;288(35):25194-25206. DOI:10.1074/jbc.M113.484733 |
4. Gotoh A, Katoh T, Sugiyama Y, Kurihara S, Honda Y, Sakurama H, Kambe T, Ashida H, Kitaoka M, Yamamoto K, and Katayama T. (2015). Novel substrate specificities of two lacto-N-biosidases towards β-linked galacto-N-biose-containing oligosaccharides of globo H, Gb5, and GA1. Carbohydr Res. 2015;408:18-24. DOI:10.1016/j.carres.2015.03.005 |
5. Yamada C, Gotoh A, Sakanaka M, Hattie M, Stubbs KA, Katayama-Ikegami A, Hirose J, Kurihara S, Arakawa T, Kitaoka M, Okuda S, Katayama T, and Fushinobu S. (2017). Molecular Insight into Evolution of Symbiosis between Breast-Fed Infants and a Member of the Human Gut Microbiome Bifidobacterium longum. Cell Chem Biol. 2017;24(4):515-524.e5. DOI:10.1016/j.chembiol.2017.03.012 |
6. Pichler MJ, Yamada C, Shuoker B, Alvarez-Silva C, Gotoh A, Leth ML, Schoof E, Katoh T, Sakanaka M, Katayama T, Jin C, Karlsson NG, Arumugam M, Fushinobu S, and Abou Hachem M. (2020). Butyrate producing colonic Clostridiales metabolise human milk oligosaccharides and cross feed on mucin via conserved pathways. Nat Commun. 2020;11(1):3285. DOI:10.1038/s41467-020-17075-x |