2zbd

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{{Seed}}
 
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[[Image:2zbd.png|left|200px]]
 
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==Crystal Structure of the SR Calcium Pump with Bound Aluminium Fluoride, ADP and Calcium==
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The line below this paragraph, containing "STRUCTURE_2zbd", creates the "Structure Box" on the page.
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<StructureSection load='2zbd' size='340' side='right'caption='[[2zbd]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2zbd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. This structure supersedes the now removed PDB entries [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2z9r 2z9r] and [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1wpe 1wpe]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZBD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZBD FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.4&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene>, <scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=ALF:TETRAFLUOROALUMINATE+ION'>ALF</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PC1:1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE'>PC1</scene></td></tr>
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{{STRUCTURE_2zbd| PDB=2zbd | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2zbd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zbd OCA], [https://pdbe.org/2zbd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2zbd RCSB], [https://www.ebi.ac.uk/pdbsum/2zbd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2zbd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/AT2A1_RABIT AT2A1_RABIT] This magnesium-dependent enzyme catalyzes the hydrolysis of ATP coupled with the translocation of calcium from the cytosol to the sarcoplasmic reticulum lumen. Contributes to calcium sequestration involved in muscular excitation/contraction (By similarity).
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zb/2zbd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=2zbd ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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P-type ion transporting ATPases are ATP-powered ion pumps that establish ion concentration gradients across biological membranes. Transfer of bound cations to the lumenal or extracellular side occurs while the ATPase is phosphorylated. Here we report at 2.3 A resolution the structure of the calcium-ATPase of skeletal muscle sarcoplasmic reticulum, a representative P-type ATPase that is crystallized in the absence of Ca2+ but in the presence of magnesium fluoride, a stable phosphate analogue. This and other crystal structures determined previously provide atomic models for all four principal states in the reaction cycle. These structures show that the three cytoplasmic domains rearrange to move six out of ten transmembrane helices, thereby changing the affinity of the Ca2+-binding sites and the gating of the ion pathway. Release of ADP triggers the opening of the lumenal gate and release of phosphate its closure, effected mainly through movement of the A-domain, the actuator of transmembrane gates.
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===Crystal Structure of the SR Calcium Pump with Bound Aluminium Fluoride, ADP and Calcium===
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Lumenal gating mechanism revealed in calcium pump crystal structures with phosphate analogues.,Toyoshima C, Nomura H, Tsuda T Nature. 2004 Nov 18;432(7015):361-8. Epub 2004 Sep 26. PMID:15448704<ref>PMID:15448704</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 2zbd" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_15448704}}, adds the Publication Abstract to the page
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*[[ATPase 3D structures|ATPase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 15448704 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15448704}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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2ZBD is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. This structure supersedes the now removed PDB entries and [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1wpe 1wpe]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZBD OCA].
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==Reference==
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Lumenal gating mechanism revealed in calcium pump crystal structures with phosphate analogues., Toyoshima C, Nomura H, Tsuda T, Nature. 2004 Nov 18;432(7015):361-8. Epub 2004 Sep 26. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15448704 15448704]
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Crystal structure of the calcium pump of sarcoplasmic reticulum at 2.6 A resolution., Toyoshima C, Nakasako M, Nomura H, Ogawa H, Nature. 2000 Jun 8;405(6787):647-55. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10864315 10864315]
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Structural changes in the calcium pump accompanying the dissociation of calcium., Toyoshima C, Nomura H, Nature. 2002 Aug 8;418(6898):605-11. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12167852 12167852]
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Crystal structure of the calcium pump with a bound ATP analogue., Toyoshima C, Mizutani T, Nature. 2004 Jul 29;430(6999):529-35. Epub 2004 Jun 30. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15229613 15229613]
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Structural role of countertransport revealed in Ca(2+) pump crystal structure in the absence of Ca(2+)., Obara K, Miyashita N, Xu C, Toyoshima I, Sugita Y, Inesi G, Toyoshima C, Proc Natl Acad Sci U S A. 2005 Oct 11;102(41):14489-96. Epub 2005 Sep 6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16150713 16150713]
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Interdomain communication in calcium pump as revealed in the crystal structures with transmembrane inhibitors., Takahashi M, Kondou Y, Toyoshima C, Proc Natl Acad Sci U S A. 2007 Apr 3;104(14):5800-5. Epub 2007 Mar 26. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17389383 17389383]
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[[Category: Calcium-transporting ATPase]]
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[[Category: Oryctolagus cuniculus]]
[[Category: Oryctolagus cuniculus]]
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[[Category: Single protein]]
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[[Category: Nomura H]]
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[[Category: Nomura, H.]]
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[[Category: Norimatsu Y]]
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[[Category: Norimatsu, Y.]]
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[[Category: Ogawa H]]
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[[Category: Ogawa, H.]]
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[[Category: Toyoshima C]]
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[[Category: Toyoshima, C.]]
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[[Category: Tsuda T]]
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[[Category: Tsuda, T.]]
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[[Category: Alternative splicing]]
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[[Category: Atp-binding]]
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[[Category: Calcium]]
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[[Category: Calcium transport]]
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[[Category: Endoplasmic reticulum]]
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[[Category: Had fold]]
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[[Category: Hydrolase]]
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[[Category: Ion transport]]
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[[Category: Magnesium]]
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[[Category: Membrane protein]]
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[[Category: Metal-binding]]
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[[Category: Nucleotide-binding]]
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[[Category: P-type atpase]]
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[[Category: Phosphorylation]]
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[[Category: Sarcoplasmic reticulum]]
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[[Category: Transmembrane]]
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[[Category: Transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 11:26:22 2008''
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Current revision

Crystal Structure of the SR Calcium Pump with Bound Aluminium Fluoride, ADP and Calcium

PDB ID 2zbd

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