1k4d
From Proteopedia
(Difference between revisions)
Line 3: | Line 3: | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[1k4d]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [http://en.wikipedia.org/wiki/Streptomyces_lividans Streptomyces lividans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1K4D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1K4D FirstGlance]. <br> | <table><tr><td colspan='2'>[[1k4d]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [http://en.wikipedia.org/wiki/Streptomyces_lividans Streptomyces lividans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1K4D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1K4D FirstGlance]. <br> | ||
- | </td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DGA:DIACYL+GLYCEROL'>DGA</scene>, <scene name='pdbligand=F09:NONAN-1-OL'>F09</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>< | + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DGA:DIACYL+GLYCEROL'>DGA</scene>, <scene name='pdbligand=F09:NONAN-1-OL'>F09</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr> |
- | <tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1k4d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1k4d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1k4d RCSB], [http://www.ebi.ac.uk/pdbsum/1k4d PDBsum]</span></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=1k4d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1k4d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1k4d RCSB], [http://www.ebi.ac.uk/pdbsum/1k4d PDBsum]</span></td></tr> |
- | <table> | + | </table> |
+ | == Function == | ||
+ | [[http://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]] | ||
Line 35: | Line 37: | ||
[[Category: Mus musculus]] | [[Category: Mus musculus]] | ||
[[Category: Streptomyces lividans]] | [[Category: Streptomyces lividans]] | ||
- | [[Category: Kaufman, A | + | [[Category: Kaufman, A]] |
- | [[Category: MacKinnon, R | + | [[Category: MacKinnon, R]] |
- | [[Category: Morais-Cabral, J H | + | [[Category: Morais-Cabral, J H]] |
- | [[Category: Zhou, Y | + | [[Category: Zhou, Y]] |
[[Category: K channel]] | [[Category: K channel]] | ||
[[Category: Membrane protein]] | [[Category: Membrane protein]] | ||
[[Category: Protein-antibody fab complex]] | [[Category: Protein-antibody fab complex]] |
Revision as of 16:59, 24 December 2014
Potassium Channel KcsA-Fab complex in low concentration of K+
|