2bob
From Proteopedia
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==Potassium channel KcsA-Fab complex in thallium with tetrabutylammonium (TBA)== | ==Potassium channel KcsA-Fab complex in thallium with tetrabutylammonium (TBA)== | ||
| - | <StructureSection load='2bob' size='340' side='right' caption='[[2bob]], [[Resolution|resolution]] 2.76Å' scene=''> | + | <StructureSection load='2bob' size='340' side='right'caption='[[2bob]], [[Resolution|resolution]] 2.76Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[2bob]] is a 3 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[2bob]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Streptomyces_lividans Streptomyces lividans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BOB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2BOB FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=TBA:TETRABUTYLAMMONIUM+ION'>TBA</scene>, <scene name='pdbligand=TL:THALLIUM+(I)+ION'>TL</scene> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.76Å</td></tr> |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=TBA:TETRABUTYLAMMONIUM+ION'>TBA</scene>, <scene name='pdbligand=TL:THALLIUM+(I)+ION'>TL</scene></td></tr> | |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2bob FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bob OCA], [https://pdbe.org/2bob PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2bob RCSB], [https://www.ebi.ac.uk/pdbsum/2bob PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2bob ProSAT]</span></td></tr> |
</table> | </table> | ||
== Function == | == Function == | ||
| - | [ | + | [https://www.uniprot.org/uniprot/KCSA_STRLI KCSA_STRLI] Acts as a pH-gated potassium ion channel; changing the cytosolic pH from 7 to 4 opens the channel, although it is not clear if this is the physiological stimulus for channel opening. Monovalent cation preference is K(+) > Rb(+) > NH4(+) >> Na(+) > Li(+).<ref>PMID:7489706</ref> |
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bo/2bob_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bo/2bob_consurf.spt"</scriptWhenChecked> | ||
| - | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/ | + | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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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==See Also== | ==See Also== | ||
*[[Antibody 3D structures|Antibody 3D structures]] | *[[Antibody 3D structures|Antibody 3D structures]] | ||
| - | *[[Potassium | + | *[[Potassium channel 3D structures|Potassium channel 3D structures]] |
| + | *[[3D structures of non-human antibody|3D structures of non-human antibody]] | ||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| - | [[Category: | + | [[Category: Large Structures]] |
[[Category: Mus musculus]] | [[Category: Mus musculus]] | ||
| - | [[Category: | + | [[Category: Streptomyces lividans]] |
| - | [[Category: | + | [[Category: Focia PJ]] |
| - | [[Category: | + | [[Category: Gross A]] |
| - | [[Category: | + | [[Category: Lenaeus MJ]] |
| - | [[Category: | + | [[Category: Vamvouka M]] |
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Current revision
Potassium channel KcsA-Fab complex in thallium with tetrabutylammonium (TBA)
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