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Difference between revisions of "Carbohydrate Esterase Family 1"

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== Kinetics and Mechanism ==
 
== Kinetics and Mechanism ==
 
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Mycolyltransferases transfer of the mycolyl group from α,α′-trehalose monomycolate to a second α,α′-trehalose monomycolate molecule forming α,α′-trehalose dimycolate <cite>Belisle1997</cite>
  
 
== Catalytic Residues ==
 
== Catalytic Residues ==
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#Lombard2014 pmid=24270786
 
#Lombard2014 pmid=24270786
 
#Ronning2000 pmid=10655617
 
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#Belisle1997 pmid=9162010
#Ollis1992 pmid1409539
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#Ollis1992 pmid=1409539
  
 
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[[Category:Carbohydrate Esterase Families|CE001]]
 
[[Category:Carbohydrate Esterase Families|CE001]]

Revision as of 05:54, 1 February 2019

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This page is currently under construction. This means that the Responsible Curator has deemed that the page's content is not quite up to CAZypedia's standards for full public consumption. All information should be considered to be under revision and may be subject to major changes.


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

Content is to be added here. Mycolyltransferases transfer of the mycolyl group from α,α′-trehalose monomycolate to a second α,α′-trehalose monomycolate molecule forming α,α′-trehalose dimycolate [2]

Catalytic Residues

Content is to be added here.

Three-dimensional structures

CE1's are members of the α/β-hydrolase superfamily [3], which are comprised of central β-strands connected by α-helices [4].

Family Firsts

First characterized
Content is to be added here.
First mechanistic insight
The crystal structure of Mycobacterium tuberculosis H37Rv mycolyltransferase in complex with the covalently bound inhibitor, diethyl phosphate gave the first insight into the mechanism, which involved the highly conserved catalytic Ser-Glu-His triad [3].
First 3-D structure
Mycobacterium tuberculosis H37Rv mycolyltransferase crystal structure in 2000 [3].

References

Error fetching PMID 10655617:
Error fetching PMID 9162010:
  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 | PubMed ID:24270786 [Lombard2014]
  2. Error fetching PMID 9162010: [Belisle1997]
  3. Error fetching PMID 10655617: [Ronning2000]
  4. Ollis DL, Cheah E, Cygler M, Dijkstra B, Frolow F, Franken SM, Harel M, Remington SJ, Silman I, and Schrag J. (1992). The alpha/beta hydrolase fold. Protein Eng. 1992;5(3):197-211. DOI:10.1093/protein/5.3.197 | PubMed ID:1409539 [Ollis1992]

All Medline abstracts: PubMed