3a3y: Difference between revisions

From Proteopedia
Jump to navigation Jump to search
← Older edit
No edit summary
No edit summary
 
(12 intermediate revisions by the same user not shown)
Line 1: Line 1:
{{Seed}}
[[Image:3a3y.jpg|left|200px]]


<!--
==Crystal structure of the sodium-potassium pump with bound potassium and ouabain==
The line below this paragraph, containing "STRUCTURE_3a3y", creates the "Structure Box" on the page.
<StructureSection load='3a3y' size='340' side='right'caption='[[3a3y]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[3a3y]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Squalus_acanthias Squalus acanthias] and [http://en.wikipedia.org/wiki/Squalus_acanthias Squalus acanthias]. The October 2009 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Sodium-Potassium Pump''  by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2009_10 10.2210/rcsb_pdb/mom_2009_10]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A3Y OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=3A3Y FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CLR:CHOLESTEROL'>CLR</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MF4:TETRAFLUOROMAGNESATE(2-)'>MF4</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=OBN:OUABAIN'>OBN</scene></td></tr>
-->
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2zxe|2zxe]]</td></tr>
{{STRUCTURE_3a3y|  PDB=3a3y  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=3a3y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3a3y OCA], [http://pdbe.org/3a3y PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3a3y RCSB], [http://www.ebi.ac.uk/pdbsum/3a3y PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3a3y ProSAT]</span></td></tr>
</table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/a3/3a3y_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=3a3y ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The sodium-potassium pump (Na(+),K(+)-ATPase) is responsible for establishing Na(+) and K(+) concentration gradients across the plasma membrane and therefore plays an essential role in, for instance, generating action potentials. Cardiac glycosides, prescribed for congestive heart failure for more than 2 centuries, are efficient inhibitors of this ATPase. Here we describe a crystal structure of Na(+),K(+)-ATPase with bound ouabain, a representative cardiac glycoside, at 2.8 A resolution in a state analogous to E2.2K(+).Pi. Ouabain is deeply inserted into the transmembrane domain with the lactone ring very close to the bound K(+), in marked contrast to previous models. Due to antagonism between ouabain and K(+), the structure represents a low-affinity ouabain-bound state. Yet, most of the mutagenesis data obtained with the high-affinity state are readily explained by the present crystal structure, indicating that the binding site for ouabain is essentially the same. According to a homology model for the high affinity state, it is a closure of the binding cavity that confers a high affinity.


===Crystal structure of the sodium-pottasium pump with bound potassium and ouabain===
Crystal structure of the sodium-potassium pump (Na+,K+-ATPase) with bound potassium and ouabain.,Ogawa H, Shinoda T, Cornelius F, Toyoshima C Proc Natl Acad Sci U S A. 2009 Aug 18;106(33):13742-7. Epub 2009 Aug 3. PMID:19666591<ref>PMID:19666591</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3a3y" style="background-color:#fffaf0;"></div>


<!--
==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_19666591}}, adds the Publication Abstract to the page
*[[ATPase 3D structures|ATPase 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 19666591 is the PubMed ID number.
== References ==
-->
<references/>
{{ABSTRACT_PUBMED_19666591}}
__TOC__
 
</StructureSection>
==About this Structure==
[[Category: Large Structures]]
3A3Y is a 3 chains structure of sequences from [http://en.wikipedia.org/wiki/Squalus_acanthias Squalus acanthias]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A3Y OCA].
[[Category: RCSB PDB Molecule of the Month]]
 
[[Category: Sodium-Potassium Pump]]
==Reference==
<ref group="xtra">PMID:19666591</ref><references group="xtra"/>
[[Category: Squalus acanthias]]
[[Category: Squalus acanthias]]
[[Category: Cornelius, F.]]
[[Category: Cornelius, F]]
[[Category: Ogawa, H.]]
[[Category: Ogawa, H]]
[[Category: Shinoda, T.]]
[[Category: Shinoda, T]]
[[Category: Toyoshima, C.]]
[[Category: Toyoshima, C]]
[[Category: Atp-binding]]
[[Category: Atp-binding]]
[[Category: Atpase]]
[[Category: Atpase]]
[[Category: Haloacid dehydrogenease superfamily]]
[[Category: Haloacid dehydrogenease superfamily]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]
[[Category: Hydrolase/transport protein complex]]
[[Category: Hydrolase-transport protein complex]]
[[Category: Ion pump]]
[[Category: Ion pump]]
[[Category: Ion transport]]
[[Category: Ion transport]]
Line 45: Line 58:
[[Category: Transmembrane]]
[[Category: Transmembrane]]
[[Category: Transport]]
[[Category: Transport]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Sep  9 09:23:18 2009''

Latest revision as of 15:16, 29 July 2020

Crystal structure of the sodium-potassium pump with bound potassium and ouabainCrystal structure of the sodium-potassium pump with bound potassium and ouabain

Structural highlights

3a3y is a 3 chain structure with sequence from Squalus acanthias and Squalus acanthias. The October 2009 RCSB PDB Molecule of the Month feature on Sodium-Potassium Pump by David Goodsell is 10.2210/rcsb_pdb/mom_2009_10. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:, , , , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The sodium-potassium pump (Na(+),K(+)-ATPase) is responsible for establishing Na(+) and K(+) concentration gradients across the plasma membrane and therefore plays an essential role in, for instance, generating action potentials. Cardiac glycosides, prescribed for congestive heart failure for more than 2 centuries, are efficient inhibitors of this ATPase. Here we describe a crystal structure of Na(+),K(+)-ATPase with bound ouabain, a representative cardiac glycoside, at 2.8 A resolution in a state analogous to E2.2K(+).Pi. Ouabain is deeply inserted into the transmembrane domain with the lactone ring very close to the bound K(+), in marked contrast to previous models. Due to antagonism between ouabain and K(+), the structure represents a low-affinity ouabain-bound state. Yet, most of the mutagenesis data obtained with the high-affinity state are readily explained by the present crystal structure, indicating that the binding site for ouabain is essentially the same. According to a homology model for the high affinity state, it is a closure of the binding cavity that confers a high affinity.

Crystal structure of the sodium-potassium pump (Na+,K+-ATPase) with bound potassium and ouabain.,Ogawa H, Shinoda T, Cornelius F, Toyoshima C Proc Natl Acad Sci U S A. 2009 Aug 18;106(33):13742-7. Epub 2009 Aug 3. PMID:19666591[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Ogawa H, Shinoda T, Cornelius F, Toyoshima C. Crystal structure of the sodium-potassium pump (Na+,K+-ATPase) with bound potassium and ouabain. Proc Natl Acad Sci U S A. 2009 Aug 18;106(33):13742-7. Epub 2009 Aug 3. PMID:19666591

3a3y, resolution 2.80Å

Drag the structure with the mouse to rotate

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

OCA
Retrieved from "https://proteopedia.openfox.io/wiki/index.php?title=3a3y&oldid=3273502"