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6d8h

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==NMR solution structure of tamapin, mutant Y31+N==
==NMR solution structure of tamapin, mutant Y31+N==
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<StructureSection load='6d8h' size='340' side='right'caption='[[6d8h]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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<StructureSection load='6d8h' size='340' side='right'caption='[[6d8h]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6d8h]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6D8H OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6D8H FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6d8h]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mesobuthus_tamulus Mesobuthus tamulus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6D8H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6D8H FirstGlance]. <br>
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</td></tr><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=6d8h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6d8h OCA], [http://pdbe.org/6d8h PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6d8h RCSB], [http://www.ebi.ac.uk/pdbsum/6d8h PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6d8h ProSAT]</span></td></tr>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6d8h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6d8h OCA], [https://pdbe.org/6d8h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6d8h RCSB], [https://www.ebi.ac.uk/pdbsum/6d8h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6d8h ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/KAX54_MESTA KAX54_MESTA]] Blocks small conductance calcium-activated potassium channels in pyramidal neurons of the hippocampus. Displays a unique, remarkable selectivity for SK2/KCNN2 versus SK1/KCNN1 and SK3/KCNN3 channels.<ref>PMID:12239213</ref>
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[https://www.uniprot.org/uniprot/KAX54_HOTTA KAX54_HOTTA] Blocks small conductance calcium-activated potassium channels (PubMed:12239213). Shows activity on KCa2.2/KCNN2 (IC(50)=0.0243 nM), KCa2.3/KCNN3 (IC(50)=1.7 nM), and KCa2.1/KCNN1 (IC(50)=42 nM) (PubMed:12239213). Induces cell death when tested on Jurkat E6-1 and human mammary breast cancer MDA-MB-231 which constituvely express KCa2.2/KCNN2, but not on human peripheral blood lymphocytes (which do not express KCa2.2/KCNN2) (PubMed:24821061).<ref>PMID:12239213</ref>
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==See Also==
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*[[Potassium channel toxin 3D structures|Potassium channel toxin 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Delgado, G A.Titaux]]
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[[Category: Mesobuthus tamulus]]
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[[Category: Flores, M Mayorga]]
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[[Category: Mayorga Flores M]]
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[[Category: Meneses, C M.Melchor]]
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[[Category: Melchor Meneses CM]]
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[[Category: Portilla, F del Rio]]
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[[Category: Titaux Delgado GA]]
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[[Category: Csalpha/beta]]
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[[Category: Del Rio Portilla F]]
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[[Category: Sk channel]]
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[[Category: Tamapin mutant]]
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[[Category: Toxin]]
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[[Category: Y31+n]]
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Current revision

NMR solution structure of tamapin, mutant Y31+N

PDB ID 6d8h

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