2atx

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[[Image:2atx.gif|left|200px]]
[[Image:2atx.gif|left|200px]]
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{{Structure
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<!--
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|PDB= 2atx |SIZE=350|CAPTION= <scene name='initialview01'>2atx</scene>, resolution 2.65&Aring;
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The line below this paragraph, containing "STRUCTURE_2atx", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=GNP:PHOSPHOAMINOPHOSPHONIC+ACID-GUANYLATE+ESTER'>GNP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Small_monomeric_GTPase Small monomeric GTPase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.5.2 3.6.5.2] </span>
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or leave the SCENE parameter empty for the default display.
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|GENE= TC10 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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-->
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|DOMAIN=
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{{STRUCTURE_2atx| PDB=2atx | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2atx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2atx OCA], [http://www.ebi.ac.uk/pdbsum/2atx PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2atx RCSB]</span>
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}}
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'''Crystal Structure of the TC10 GppNHp complex'''
'''Crystal Structure of the TC10 GppNHp complex'''
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[[Category: Fiegen, D.]]
[[Category: Fiegen, D.]]
[[Category: Hemsath, L.]]
[[Category: Hemsath, L.]]
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[[Category: alpha-beta]]
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[[Category: Alpha-beta]]
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[[Category: gtpase]]
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[[Category: Gtpase]]
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[[Category: p-loop]]
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[[Category: P-loop]]
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[[Category: tc10]]
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[[Category: Tc10]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 19:28:19 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 01:57:13 2008''
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Revision as of 16:28, 3 May 2008

Image:2atx.gif

Template:STRUCTURE 2atx

Crystal Structure of the TC10 GppNHp complex


Overview

The specific and rapid formation of protein complexes is essential for diverse cellular processes such as remodeling of actin filaments in response to the interaction between Rho GTPases and the Wiskott-Aldrich syndrome proteins (WASp and N-WASp). Although Cdc42, TC10, and other members of the Rho family have been implicated in binding to and activating the WAS proteins, the exact nature of such a protein-protein recognition process has remained obscure. Here, we describe a mechanism that ensures rapid and selective long-range Cdc42-WASp recognition. The crystal structure of TC10, together with mutational and bioinformatic analyses, proved that the basic region of WASp and two unique glutamates in Cdc42 generate favorable electrostatic steering forces that control the accelerated WASp-Cdc42 association reaction. This process is a prerequisite for WASp activation and a critical step in temporal regulation and integration of WASp-mediated cellular responses.

About this Structure

2ATX is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

An electrostatic steering mechanism of Cdc42 recognition by Wiskott-Aldrich syndrome proteins., Hemsath L, Dvorsky R, Fiegen D, Carlier MF, Ahmadian MR, Mol Cell. 2005 Oct 28;20(2):313-24. PMID:16246732 Page seeded by OCA on Sat May 3 19:28:19 2008

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