3etq

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==X-ray structure of cysteine-free fragment of mHCN2 C-terminal region from amino acids 443-630 including C508N, C584S, and C601S mutations==
==X-ray structure of cysteine-free fragment of mHCN2 C-terminal region from amino acids 443-630 including C508N, C584S, and C601S mutations==
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<StructureSection load='3etq' size='340' side='right' caption='[[3etq]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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<StructureSection load='3etq' size='340' side='right'caption='[[3etq]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3etq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ETQ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3ETQ FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3etq]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ETQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ETQ 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=CMP:ADENOSINE-3,5-CYCLIC-MONOPHOSPHATE'>CMP</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]] 1.9&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1q5o|1q5o]], [[1q3e|1q3e]], [[1q43|1q43]], [[2q0a|2q0a]], [[3bpz|3bpz]]</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=CMP:ADENOSINE-3,5-CYCLIC-MONOPHOSPHATE'>CMP</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Bcng2, Hac1, Hcn2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice])</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=3etq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3etq OCA], [https://pdbe.org/3etq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3etq RCSB], [https://www.ebi.ac.uk/pdbsum/3etq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3etq ProSAT]</span></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=3etq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3etq OCA], [http://pdbe.org/3etq PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3etq RCSB], [http://www.ebi.ac.uk/pdbsum/3etq PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3etq ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/HCN2_MOUSE HCN2_MOUSE]] Hyperpolarization-activated ion channel exhibiting weak selectivity for potassium over sodium ions. Contributes to the native pacemaker currents in heart (If) and in neurons (Ih). Can also transport ammonium in the distal nephron. Produces a large instantaneous current. Activated by cAMP. Modulated by intracellular chloride ions and pH; acidic pH shifts the activation to more negative voltages.<ref>PMID:11741901</ref>
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[https://www.uniprot.org/uniprot/HCN2_MOUSE HCN2_MOUSE] Hyperpolarization-activated ion channel exhibiting weak selectivity for potassium over sodium ions. Contributes to the native pacemaker currents in heart (If) and in neurons (Ih). Can also transport ammonium in the distal nephron. Produces a large instantaneous current. Activated by cAMP. Modulated by intracellular chloride ions and pH; acidic pH shifts the activation to more negative voltages.<ref>PMID:11741901</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/et/3etq_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/et/3etq_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>
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</div>
</div>
<div class="pdbe-citations 3etq" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 3etq" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Ion channels 3D structures|Ion channels 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Lk3 transgenic mice]]
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[[Category: Large Structures]]
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[[Category: Flynn, G E]]
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[[Category: Mus musculus]]
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[[Category: Beta roll]]
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[[Category: Flynn GE]]
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[[Category: C-linker]]
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[[Category: Camp]]
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[[Category: Camp-binding]]
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[[Category: Cyclic nucleotide binding domain]]
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[[Category: Glycoprotein]]
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[[Category: Hcn]]
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[[Category: Ion channel]]
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[[Category: Ion transport]]
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[[Category: Ionic channel]]
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[[Category: Membrane]]
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[[Category: Nucleotide-binding]]
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[[Category: Phosphoprotein]]
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[[Category: Potassium]]
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[[Category: Potassium channel]]
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[[Category: Potassium transport]]
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[[Category: Sodium]]
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[[Category: Sodium channel]]
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[[Category: Sodium transport]]
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[[Category: Transmembrane]]
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[[Category: Transport]]
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[[Category: Transport protein]]
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[[Category: Voltage-gated channel]]
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Current revision

X-ray structure of cysteine-free fragment of mHCN2 C-terminal region from amino acids 443-630 including C508N, C584S, and C601S mutations

PDB ID 3etq

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