1gq8

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[[Image:1gq8.gif|left|200px]]
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{{Seed}}
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[[Image:1gq8.png|left|200px]]
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{{STRUCTURE_1gq8| PDB=1gq8 | SCENE= }}
{{STRUCTURE_1gq8| PDB=1gq8 | SCENE= }}
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'''PECTIN METHYLESTERASE FROM CARROT'''
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===PECTIN METHYLESTERASE FROM CARROT===
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==Overview==
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Pectin is a principal component in the primary cell wall of plants. During cell development, pectin is modified by pectin methylesterases to give different properties to the cell wall. This report describes the first crystal structure of a plant pectin methylesterase. The beta-helical structure embodies a central cleft, lined by several aromatic residues, that has been deduced to be suitable for pectin binding. The active site is found at the center of this cleft where Asp157 is suggested to act as the nucleophile, Asp136 as an acid/base and Gln113/Gln135 to form an anion hole to stabilize the transition state.
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The line below this paragraph, {{ABSTRACT_PUBMED_11943159}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 11943159 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11943159}}
==About this Structure==
==About this Structure==
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[[Category: Carboxylic ester hydrolase]]
[[Category: Carboxylic ester hydrolase]]
[[Category: Pectin methylesterase]]
[[Category: Pectin methylesterase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:53:03 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 05:53:09 2008''

Revision as of 02:53, 1 July 2008

Image:1gq8.png

Template:STRUCTURE 1gq8

PECTIN METHYLESTERASE FROM CARROT

Template:ABSTRACT PUBMED 11943159

About this Structure

1GQ8 is a Single protein structure of sequence from Daucus carota. Full crystallographic information is available from OCA.

Reference

Crystal structure of plant pectin methylesterase., Johansson K, El-Ahmad M, Friemann R, Jornvall H, Markovic O, Eklund H, FEBS Lett. 2002 Mar 13;514(2-3):243-9. PMID:11943159

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