1zxa

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[[Image:1zxa.gif|left|200px]]
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{{STRUCTURE_1zxa| PDB=1zxa | SCENE= }}
{{STRUCTURE_1zxa| PDB=1zxa | SCENE= }}
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'''Solution Structure of the Coiled-Coil Domain of cGMP-dependent Protein Kinase Ia'''
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===Solution Structure of the Coiled-Coil Domain of cGMP-dependent Protein Kinase Ia===
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==Overview==
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Coiled-coil motifs play essential roles in protein assembly and molecular recognition, and are therefore the targets of many ongoing structural and functional studies. However, owing to the dynamic nature of many of the smaller coiled-coil domains, crystallization for X-ray studies is very challenging. Determination of elongated structures using standard NMR approaches is inefficient and usually yields low-resolution structures due to accumulation of small errors over long distances. Here we describe a solution NMR approach based on residual dipolar couplings (RDCs) for rapid and accurate structure determination of coiled-coil dimers. Using this approach, we were able to determine the high-resolution structure of the coiled-coil domain of cGMP-dependent protein kinase Ialpha, a protein of previously unknown structure that is critical for physiological relaxation of vascular smooth muscle. This approach can be extended to solve coiled-coil structures with higher order assemblies.
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{{ABSTRACT_PUBMED_16131665}}
==About this Structure==
==About this Structure==
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1ZXA is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZXA OCA].
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1ZXA is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZXA OCA].
==Reference==
==Reference==
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[[Category: Zweckstetter, M.]]
[[Category: Zweckstetter, M.]]
[[Category: Parallel coiled coil dimer]]
[[Category: Parallel coiled coil dimer]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 18:11:38 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 11:48:41 2008''

Revision as of 08:48, 28 July 2008

Image:1zxa.png

Template:STRUCTURE 1zxa

Solution Structure of the Coiled-Coil Domain of cGMP-dependent Protein Kinase Ia

Template:ABSTRACT PUBMED 16131665

About this Structure

1ZXA is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

Rapid and accurate structure determination of coiled-coil domains using NMR dipolar couplings: application to cGMP-dependent protein kinase Ialpha., Schnell JR, Zhou GP, Zweckstetter M, Rigby AC, Chou JJ, Protein Sci. 2005 Sep;14(9):2421-8. PMID:16131665

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