This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
3f7v
From Proteopedia
(Difference between revisions)
| Line 1: | Line 1: | ||
==KcsA Potassium channel in the open-inactivated state with 23 A opening at T112== | ==KcsA Potassium channel in the open-inactivated state with 23 A opening at T112== | ||
| - | <StructureSection load='3f7v' size='340' side='right' caption='[[3f7v]], [[Resolution|resolution]] 3.20Å' scene=''> | + | <StructureSection load='3f7v' size='340' side='right'caption='[[3f7v]], [[Resolution|resolution]] 3.20Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[3f7v]] is a 3 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[3f7v]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/"actinomyces_lividans"_krasil'nikov_et_al._1965 "actinomyces lividans" krasil'nikov et al. 1965] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3F7V OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3F7V FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene></td></tr> | + | </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></td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3fb5|3fb5]], [[3fb6|3fb6]], [[3fb7|3fb7]], [[3fb8|3fb8]], [[3f7y|3f7y]]</td></tr> | + | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3fb5|3fb5]], [[3fb6|3fb6]], [[3fb7|3fb7]], [[3fb8|3fb8]], [[3f7y|3f7y]]</div></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">kcsA, skc1 ([ | + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">kcsA, skc1 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1916 "Actinomyces lividans" Krasil'nikov et al. 1965])</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=3f7v FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3f7v OCA], [https://pdbe.org/3f7v PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3f7v RCSB], [https://www.ebi.ac.uk/pdbsum/3f7v PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3f7v 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]] | ||
| Line 24: | Line 24: | ||
==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/> | ||
| Line 30: | Line 31: | ||
</StructureSection> | </StructureSection> | ||
[[Category: Actinomyces lividans krasil'nikov et al. 1965]] | [[Category: Actinomyces lividans krasil'nikov et al. 1965]] | ||
| + | [[Category: Large Structures]] | ||
[[Category: Mus musculus]] | [[Category: Mus musculus]] | ||
[[Category: Cortes, D M]] | [[Category: Cortes, D M]] | ||
Revision as of 19:50, 20 October 2021
KcsA Potassium channel in the open-inactivated state with 23 A opening at T112
| |||||||||||
Categories: Actinomyces lividans krasil'nikov et al. 1965 | Large Structures | Mus musculus | Cortes, D M | Cuello, L G | Jogini, V | Perozo, E | Cell membrane | Inactivation | Ion transport | Ionic channel | Kcsa | Membrane | Membrane protein-metal transport complex | Open | Potassium channel | Transmembrane | Transport | Voltage-gated channel

