2nz0

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==Crystal structure of potassium channel Kv4.3 in complex with its regulatory subunit KChIP1 (CASP Target)==
==Crystal structure of potassium channel Kv4.3 in complex with its regulatory subunit KChIP1 (CASP Target)==
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<StructureSection load='2nz0' size='340' side='right' caption='[[2nz0]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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<StructureSection load='2nz0' size='340' side='right'caption='[[2nz0]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2nz0]] is a 4 chain structure with 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=2NZ0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2NZ0 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2nz0]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NZ0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NZ0 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.2&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">KChIP1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), Kv4.3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2nz0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nz0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2nz0 RCSB], [http://www.ebi.ac.uk/pdbsum/2nz0 PDBsum]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2nz0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nz0 OCA], [https://pdbe.org/2nz0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2nz0 RCSB], [https://www.ebi.ac.uk/pdbsum/2nz0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2nz0 ProSAT]</span></td></tr>
</table>
</table>
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== Disease ==
 
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[[http://www.uniprot.org/uniprot/KCND3_HUMAN KCND3_HUMAN]] Note=KCND3 rare variants may confer risk for lethal ventricular arrhytmias and be associated with autopsy-negative sudden unexplained death syndrome (SUDS).<ref>PMID:22457051</ref>
 
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/KCIP1_HUMAN KCIP1_HUMAN]] Regulatory subunit of Kv4/D (Shal)-type voltage-gated rapidly inactivating A-type potassium channels. Probably modulates channels density, inactivation kinetics and rate of recovery from inactivation in a calcium-dependent and isoform-specific manner. In vitro, modulates KCND1/Kv4.1 and KCND2/Kv4.2 currents. Seems to be involved in KCND2 trafficking to the cell surface.<ref>PMID:10676964</ref> <ref>PMID:11423117</ref> <ref>PMID:12829703</ref> [[http://www.uniprot.org/uniprot/KCND3_HUMAN KCND3_HUMAN]] Pore-forming (alpha) subunit of voltage-gated rapidly inactivating A-type potassium channels. May contribute to I(To) current in heart and I(Sa) current in neurons. Channel properties are modulated by interactions with other alpha subunits and with regulatory subunits.<ref>PMID:9843794</ref> <ref>PMID:10200233</ref>
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[https://www.uniprot.org/uniprot/KCIP1_HUMAN KCIP1_HUMAN] Regulatory subunit of Kv4/D (Shal)-type voltage-gated rapidly inactivating A-type potassium channels. Probably modulates channels density, inactivation kinetics and rate of recovery from inactivation in a calcium-dependent and isoform-specific manner. In vitro, modulates KCND1/Kv4.1 and KCND2/Kv4.2 currents. Seems to be involved in KCND2 trafficking to the cell surface.<ref>PMID:10676964</ref> <ref>PMID:11423117</ref> <ref>PMID:12829703</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nz/2nz0_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nz/2nz0_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2nz0 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 2nz0" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Potassium Channel|Potassium Channel]]
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*[[Potassium channel 3D structures|Potassium channel 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Chen, L]]
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[[Category: Large Structures]]
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[[Category: Shen, Y]]
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[[Category: Chen L]]
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[[Category: Wang, H]]
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[[Category: Shen Y]]
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[[Category: Wang, K]]
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[[Category: Wang H]]
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[[Category: Yan, Y]]
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[[Category: Wang K]]
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[[Category: Kchip1]]
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[[Category: Yan Y]]
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[[Category: Kv4 3]]
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[[Category: Membrane protein]]
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Current revision

Crystal structure of potassium channel Kv4.3 in complex with its regulatory subunit KChIP1 (CASP Target)

PDB ID 2nz0

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