1f61

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[[Image:1f61.gif|left|200px]]<br /><applet load="1f61" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1f61.gif|left|200px]]
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caption="1f61, resolution 2.00&Aring;" />
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'''CRYSTAL STRUCTURE OF ISOCITRATE LYASE FROM MYCOBACTERIUM TUBERCULOSIS'''<br />
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{{Structure
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|PDB= 1f61 |SIZE=350|CAPTION= <scene name='initialview01'>1f61</scene>, resolution 2.00&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM ION'>MG</scene>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Isocitrate_lyase Isocitrate lyase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.1.3.1 4.1.3.1]
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|GENE=
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}}
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'''CRYSTAL STRUCTURE OF ISOCITRATE LYASE FROM MYCOBACTERIUM TUBERCULOSIS'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1F61 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis] with <scene name='pdbligand=MG:'>MG</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Active as [http://en.wikipedia.org/wiki/Isocitrate_lyase Isocitrate lyase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.1.3.1 4.1.3.1] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F61 OCA].
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1F61 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F61 OCA].
==Reference==
==Reference==
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Structure of isocitrate lyase, a persistence factor of Mycobacterium tuberculosis., Sharma V, Sharma S, Hoener zu Bentrup K, McKinney JD, Russell DG, Jacobs WR Jr, Sacchettini JC, Nat Struct Biol. 2000 Aug;7(8):663-8. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=10932251 10932251]
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Structure of isocitrate lyase, a persistence factor of Mycobacterium tuberculosis., Sharma V, Sharma S, Hoener zu Bentrup K, McKinney JD, Russell DG, Jacobs WR Jr, Sacchettini JC, Nat Struct Biol. 2000 Aug;7(8):663-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10932251 10932251]
[[Category: Isocitrate lyase]]
[[Category: Isocitrate lyase]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: protein structure initiative]]
[[Category: protein structure initiative]]
[[Category: psi]]
[[Category: psi]]
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[[Category: structural genomics]]
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[[Category: structural genomic]]
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[[Category: swapped helices]]
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[[Category: swapped helice]]
[[Category: tb structural genomics consortium]]
[[Category: tb structural genomics consortium]]
[[Category: tbsgc]]
[[Category: tbsgc]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 12:35:16 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 11:04:54 2008''

Revision as of 09:05, 20 March 2008

Image:1f61.gif


PDB ID 1f61

Drag the structure with the mouse to rotate
, resolution 2.00Å
Ligands:
Activity: Isocitrate lyase, with EC number 4.1.3.1
Coordinates: save as pdb, mmCIF, xml



CRYSTAL STRUCTURE OF ISOCITRATE LYASE FROM MYCOBACTERIUM TUBERCULOSIS


Overview

Isocitrate lyase (ICL) plays a pivotal role in the persistence of Mycobacterium tuberculosis in mice by sustaining intracellular infection in inflammatory macrophages. The enzyme allows net carbon gain by diverting acetyl-CoA from beta-oxidation of fatty acids into the glyoxylate shunt pathway. Given its potential as a drug target against persistent infections, we solved its structure without ligand and in complex with two inhibitors. Covalent modification of an active site residue, Cys 191, by the inhibitor 3-bromopyruvate traps the enzyme in a catalytic conformation with the active site completely inaccessible to solvent. The structure of a C191S mutant of the enzyme with the inhibitor 3-nitropropionate provides further insight into the reaction mechanism.

About this Structure

1F61 is a Single protein structure of sequence from Mycobacterium tuberculosis. Full crystallographic information is available from OCA.

Reference

Structure of isocitrate lyase, a persistence factor of Mycobacterium tuberculosis., Sharma V, Sharma S, Hoener zu Bentrup K, McKinney JD, Russell DG, Jacobs WR Jr, Sacchettini JC, Nat Struct Biol. 2000 Aug;7(8):663-8. PMID:10932251

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