3fb8
From Proteopedia
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==KcsA Potassium channel in the open-conductive state with 20 A opening at T112 in the presence of Rb+ ion== | ==KcsA Potassium channel in the open-conductive state with 20 A opening at T112 in the presence of Rb+ ion== | ||
| - | <StructureSection load='3fb8' size='340' side='right' caption='[[3fb8]], [[Resolution|resolution]] 3.40Å' scene=''> | + | <StructureSection load='3fb8' size='340' side='right'caption='[[3fb8]], [[Resolution|resolution]] 3.40Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[3fb8]] is a 3 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[3fb8]] 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=3FB8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3FB8 FirstGlance]. <br> |
| - | </td></tr><tr id=' | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.4Å</td></tr> |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=RB:RUBIDIUM+ION'>RB</scene></td></tr> | |
| - | <tr id=' | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3fb8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3fb8 OCA], [https://pdbe.org/3fb8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3fb8 RCSB], [https://www.ebi.ac.uk/pdbsum/3fb8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3fb8 ProSAT]</span></td></tr> |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | |
</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/fb/3fb8_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fb/3fb8_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: Cortes DM]] |
| - | [[Category: | + | [[Category: Cuello LG]] |
| - | [[Category: | + | [[Category: Jogini V]] |
| - | [[Category: | + | [[Category: Perozo E]] |
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Current revision
KcsA Potassium channel in the open-conductive state with 20 A opening at T112 in the presence of Rb+ ion
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