2ck5: Difference between revisions

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[[Image:2ck5.jpg|left|200px]]<br /><applet load="2ck5" size="350" color="white" frame="true" align="right" spinBox="true"
caption="2ck5" />
'''SOLUTION STRUCTURE OF DELTA 1-7 AOSK1'''<br />


==About this Structure==
==Solution structure of Delta 1-7 aOSK1==
2CK5 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CK5 OCA].  
<StructureSection load='2ck5' size='340' side='right'caption='[[2ck5]]' scene=''>
[[Category: Single protein]]
== Structural highlights ==
[[Category: Alphonse, S.]]
<table><tr><td colspan='2'>[[2ck5]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Orthochirus_scrobiculosus Orthochirus scrobiculosus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CK5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CK5 FirstGlance]. <br>
[[Category: Bernard, C.]]
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 20 models</td></tr>
[[Category: Darbon, H.]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2ck5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ck5 OCA], [https://pdbe.org/2ck5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ck5 RCSB], [https://www.ebi.ac.uk/pdbsum/2ck5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ck5 ProSAT]</span></td></tr>
[[Category: Mouhat, S.]]
</table>
[[Category: Sabatier, J M.]]
== Function ==
[[Category: ion channel blocker]]
[https://www.uniprot.org/uniprot/KAX37_ORTSC KAX37_ORTSC] Blocks voltage-gated potassium channels Kv1.1/KCNA1 (IC(50)=0.6nM), Kv1.2/KCNA2 (IC(50)=5.4nM), Kv1.3/KCNA3 (IC(50)=0.014nM) potently, and moderately block intermediate conductance calcium-activated potassium channels KCa3.1/KCNN4 (IC(50)=225nM). At high concentration (2 mM), is also active on Kv1.6/KCNA6 and Shaker IR.[REFERENCE:1]<ref>PMID:15588251</ref>
[[Category: ion channel inhibitor]]
[[Category: ionic channel inhibitor]]
[[Category: neurotoxin]]
[[Category: osk1]]
[[Category: potassium channel inhibitor]]
[[Category: scorpio toxin]]
[[Category: toxin]]


''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 16:49:36 2008''
==See Also==
*[[Potassium channel toxin 3D structures|Potassium channel toxin 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Orthochirus scrobiculosus]]
[[Category: Alphonse S]]
[[Category: Bernard C]]
[[Category: Darbon H]]
[[Category: Mouhat S]]
[[Category: Sabatier JM]]

Latest revision as of 10:49, 23 October 2024

Solution structure of Delta 1-7 aOSK1Solution structure of Delta 1-7 aOSK1

Structural highlights

2ck5 is a 1 chain structure with sequence from Orthochirus scrobiculosus. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Solution NMR, 20 models
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

KAX37_ORTSC Blocks voltage-gated potassium channels Kv1.1/KCNA1 (IC(50)=0.6nM), Kv1.2/KCNA2 (IC(50)=5.4nM), Kv1.3/KCNA3 (IC(50)=0.014nM) potently, and moderately block intermediate conductance calcium-activated potassium channels KCa3.1/KCNN4 (IC(50)=225nM). At high concentration (2 mM), is also active on Kv1.6/KCNA6 and Shaker IR.[REFERENCE:1][1]

See Also

References

  1. Mouhat S, Visan V, Ananthakrishnan S, Wulff H, Andreotti N, Grissmer S, Darbon H, De Waard M, Sabatier JM. K+ channel types targeted by synthetic OSK1, a toxin from Orthochirus scrobiculosus scorpion venom. Biochem J. 2005 Jan 1;385(Pt 1):95-104. PMID:15588251 doi:http://dx.doi.org/BJ20041379
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