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4jta

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Current revision (11:24, 30 November 2022) (edit) (undo)
 
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<StructureSection load='4jta' size='340' side='right'caption='[[4jta]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
<StructureSection load='4jta' size='340' side='right'caption='[[4jta]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4jta]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/Buffalo_rat Buffalo rat] and [http://en.wikipedia.org/wiki/Deathstalker_scorpion Deathstalker scorpion]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JTA OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4JTA FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4jta]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Leiurus_quinquestriatus_hebraeus Leiurus quinquestriatus hebraeus] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JTA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4JTA 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=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene>, <scene name='pdbligand=PGW:(1R)-2-{[(S)-{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(HEXADECANOYLOXY)METHYL]ETHYL+(9Z)-OCTADEC-9-ENOATE'>PGW</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene>, <scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene>, <scene name='pdbligand=PGW:(1R)-2-{[(S)-{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(HEXADECANOYLOXY)METHYL]ETHYL+(9Z)-OCTADEC-9-ENOATE'>PGW</scene></td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene></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=4jta FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jta OCA], [https://pdbe.org/4jta PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4jta RCSB], [https://www.ebi.ac.uk/pdbsum/4jta PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4jta ProSAT]</span></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2r9r|2r9r]], [[2crd|2crd]], [[4jtc|4jtc]], [[4jtd|4jtd]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Kcnab2, Ckbeta2, Kcnb3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Buffalo rat]), Kcna2, Kcnb1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Buffalo rat])</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=4jta FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jta OCA], [http://pdbe.org/4jta PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4jta RCSB], [http://www.ebi.ac.uk/pdbsum/4jta PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4jta ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/KCAB2_RAT KCAB2_RAT]] Accessory potassium channel protein which modulates the activity of the pore-forming alpha subunit. [[http://www.uniprot.org/uniprot/KAX11_LEIQH KAX11_LEIQH]] Potent selective inhibitor of high conductance (maxi-K), different medium and small conductance calcium-activated potassium channels (KCa/KCNM), as well as a voltage-dependent potassium channel (Kv1.3/KCNA3). It appears to block channel activity by a simple bimolecular inhibition process.<ref>PMID:15118082</ref> Has a pH-specific antimicrobial activity against bacteria (B.subtilis, E.coli and S.aureus) and the fungus C.albicans.<ref>PMID:15118082</ref> [[http://www.uniprot.org/uniprot/KCNA2_RAT KCNA2_RAT]] Mediates the voltage-dependent potassium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a potassium-selective channel through which potassium ions may pass in accordance with their electrochemical gradient.<ref>PMID:7544443</ref>
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[https://www.uniprot.org/uniprot/KCAB2_RAT KCAB2_RAT] Accessory potassium channel protein which modulates the activity of the pore-forming alpha subunit.
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Buffalo rat]]
 
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[[Category: Deathstalker scorpion]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Banerjee, A]]
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[[Category: Leiurus quinquestriatus hebraeus]]
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[[Category: Campbell, E]]
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[[Category: Rattus norvegicus]]
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[[Category: Lee, A]]
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[[Category: Banerjee A]]
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[[Category: MacKinnon, R]]
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[[Category: Campbell E]]
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[[Category: Pore blocking toxin]]
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[[Category: Lee A]]
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[[Category: Potassium channel]]
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[[Category: MacKinnon R]]
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[[Category: Protein-protein complex]]
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[[Category: Transport protein-toxin complex]]
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Current revision

Crystal structure of Kv1.2-2.1 paddle chimera channel in complex with Charybdotoxin

PDB ID 4jta

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