1s70: Difference between revisions

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[[Image:1s70.png|left|200px]]


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==Complex between protein ser/thr phosphatase-1 (delta) and the myosin phosphatase targeting subunit 1 (MYPT1)==
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<StructureSection load='1s70' size='340' side='right'caption='[[1s70]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1s70]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S70 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1S70 FirstGlance]. <br>
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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]] 2.7&#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=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene></td></tr>
{{STRUCTURE_1s70|  PDB=1s70  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1s70 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s70 OCA], [https://pdbe.org/1s70 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1s70 RCSB], [https://www.ebi.ac.uk/pdbsum/1s70 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1s70 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PP1B_CHICK PP1B_CHICK] Protein phosphatase that associates with over 200 regulatory proteins to form highly specific holoenzymes which dephosphorylate hundreds of biological targets. Protein phosphatase (PP1) is essential for cell division, it participates in the regulation of glycogen metabolism, muscle contractility and protein synthesis. Involved in regulation of ionic conductances and long-term synaptic plasticity.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
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    <text>to colour the structure by Evolutionary Conservation</text>
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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=1s70 ConSurf].
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== Publication Abstract from PubMed ==
The coordinated and reciprocal action of serine/threonine (Ser/Thr) protein kinases and phosphatases produces transient phosphorylation, a fundamental regulatory mechanism for many biological processes. The human genome encodes a far greater number of Ser/Thr protein kinases than of phosphatases. Protein phosphatase 1 (PP1), in particular, is ubiquitously distributed and regulates a broad range of cellular functions, including glycogen metabolism, cell-cycle progression and muscle relaxation. PP1 has evolved effective catalytic machinery but lacks substrate specificity. Substrate specificity is conferred upon PP1 through interactions with a large number of regulatory subunits. The regulatory subunits are generally unrelated, but most possess the RVxF motif, a canonical PP1-binding sequence. Here we reveal the crystal structure at 2.7 A resolution of the complex between PP1 and a 34-kDa N-terminal domain of the myosin phosphatase targeting subunit MYPT1. MYPT1 is the protein that regulates PP1 function in smooth muscle relaxation. Structural elements amino- and carboxy-terminal to the RVxF motif of MYPT1 are positioned in a way that leads to a pronounced reshaping of the catalytic cleft of PP1, contributing to the increased myosin specificity of this complex. The structure has general implications for the control of PP1 activity by other regulatory subunits.


===Complex between protein ser/thr phosphatase-1 (delta) and the myosin phosphatase targeting subunit 1 (MYPT1)===
Structural basis of protein phosphatase 1 regulation.,Terrak M, Kerff F, Langsetmo K, Tao T, Dominguez R Nature. 2004 Jun 17;429(6993):780-4. Epub 2004 May 26. PMID:15164081<ref>PMID:15164081</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
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<references/>
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</StructureSection>
==About this Structure==
1S70 is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S70 OCA].
 
==Reference==
<ref group="xtra">PMID:15164081</ref><references group="xtra"/>
[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Phosphoprotein phosphatase]]
[[Category: Large Structures]]
[[Category: Dominguez, R.]]
[[Category: Dominguez R]]
[[Category: Kerff, F.]]
[[Category: Kerff F]]
[[Category: Terrak, M.]]
[[Category: Terrak M]]
[[Category: Deposphorylation]]
[[Category: Myosin phosphatase]]
[[Category: Myosin regulation]]
[[Category: Mypt1]]
[[Category: Pp1]]
 
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