1ndb

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{{STRUCTURE_1ndb| PDB=1ndb | SCENE= }}
{{STRUCTURE_1ndb| PDB=1ndb | SCENE= }}
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'''Crystal structure of Carnitine Acetyltransferase'''
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===Crystal structure of Carnitine Acetyltransferase===
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==Overview==
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Carnitine acyltransferases have crucial roles in the transport of fatty acids for beta-oxidation. Dysregulation of these enzymes can lead to serious diseases in humans, and they are targets for therapeutic development against diabetes. We report the crystal structures of murine carnitine acetyltransferase (CRAT), alone and in complex with its substrate carnitine or CoA. The structure contains two domains. Surprisingly, these two domains share the same backbone fold, which is also similar to that of chloramphenicol acetyltransferase and dihydrolipoyl transacetylase. The active site is located at the interface between the two domains. Carnitine and CoA are bound in deep channels in the enzyme, on opposite sides of the catalytic His343 residue. The structural information provides a molecular basis for understanding the catalysis by carnitine acyltransferases and for designing their inhibitors. Specifically, our structural information suggests that the substrate carnitine may assist the catalysis by stabilizing the oxyanion in the reaction intermediate.
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(as it appears on PubMed at http://www.pubmed.gov), where 12526798 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12526798}}
==About this Structure==
==About this Structure==
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[[Category: Coa]]
[[Category: Coa]]
[[Category: Coenzyme some]]
[[Category: Coenzyme some]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 02:23:42 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 14:43:50 2008''

Revision as of 11:43, 27 July 2008

Image:1ndb.png

Template:STRUCTURE 1ndb

Crystal structure of Carnitine Acetyltransferase

Template:ABSTRACT PUBMED 12526798

About this Structure

1NDB is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

Crystal structure of carnitine acetyltransferase and implications for the catalytic mechanism and fatty acid transport., Jogl G, Tong L, Cell. 2003 Jan 10;112(1):113-22. PMID:12526798

Page seeded by OCA on Sun Jul 27 14:43:50 2008

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