Carbohydrate Esterase Family 1

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• Author: ^^^Casper Wilkens^^^
• Responsible Curator:

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Carbohydrate Esterase Family 1
Clan	GH-x
Mechanism	retaining/inverting
Active site residues	known/not known
CAZy DB link
https://www.cazy.org/CE1.html

Substrate specificities

Carbohydrate esterase family 1 (CE1) is one of the biggest and most diverse CE families including acetylxylan esterases (EC 3.1.1.72), feruloyl esterases (EC 3.1.1.73), cinnamoyl esterases (EC 3.1.1-), carboxylesterases (EC 3.1.1.1), S-formylglutathione hydrolases (EC 3.1.2.12), diacylglycerol O-acyltransferases (EC 2.3.1.20), and thehalose 6-O-mycolyltransferases (EC 2.3.1.122) and others [1].

Kinetics and Mechanism

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Catalytic Residues

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Three-dimensional structures

CE1's are members of the α/β-hydrolase superfamily [2], which are comprised of central β-strands connected by α-helices [3].

Family Firsts

First characterized

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First mechanistic insight

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First 3-D structure

Mycobacterium tuberculosis H37Rv mycolyltransferase crystal structure in 2000 [2].

References

1. Lombard V, Golaconda Ramulu H, Drula E, Coutinho PM, and Henrissat B. (2014). The carbohydrate-active enzymes database (CAZy) in 2013. Nucleic Acids Res. 2014;42(Database issue):D490-5. DOI:10.1093/nar/gkt1178 |
2. Ronning DR, Klabunde T, Besra GS, Vissa VD, Belisle JT, and Sacchettini JC. (2000). Crystal structure of the secreted form of antigen 85C reveals potential targets for mycobacterial drugs and vaccines. Nat Struct Biol. 2000;7(2):141-6. DOI:10.1038/72413 |

3. pmid1409539