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New page: left|200px<br /> <applet load="1f8a" size="450" color="white" frame="true" align="right" spinBox="true" caption="1f8a, resolution 1.84Å" /> '''STRUCTURAL BASIS FO...
 
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[[Image:1f8a.gif|left|200px]]<br />
<applet load="1f8a" size="450" color="white" frame="true" align="right" spinBox="true"
caption="1f8a, resolution 1.84&Aring;" />
'''STRUCTURAL BASIS FOR THE PHOSPHOSERINE-PROLINE RECOGNITION BY GROUP IV WW DOMAINS'''<br />


==Overview==
==STRUCTURAL BASIS FOR THE PHOSPHOSERINE-PROLINE RECOGNITION BY GROUP IV WW DOMAINS==
Pin1 contains an N-terminal WW domain and a C-terminal peptidyl-prolyl, cis-trans isomerase (PPIase) domain connected by a flexible linker. To, address the energetic and structural basis for WW domain recognition of, phosphoserine (P.Ser)/phosphothreonine (P. Thr)- proline containing, proteins, we report the energetic and structural analysis of a, Pin1-phosphopeptide complex. The X-ray crystal structure of Pin1 bound to, a doubly phosphorylated peptide (Tyr-P.Ser-Pro-Thr-P.Ser-Pro-Ser), representing a heptad repeat of the RNA polymerase II large subunit's, C-terminal domain (CTD), reveals the residues involved in the recognition, of a single P.Ser side chain, the rings of two prolines, and the backbone, of the CTD peptide. The side chains of neighboring Arg and Ser residues, along with a backbone amide contribute to recognition of P.Ser. The lack, of widespread conservation of the Arg and Ser residues responsible for, P.Ser recognition in the WW domain family suggests that only a subset of, WW domains can bind P.Ser-Pro in a similar fashion to that of Pin1.
<StructureSection load='1f8a' size='340' side='right'caption='[[1f8a]], [[Resolution|resolution]] 1.84&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1f8a]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F8A OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1F8A FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.84&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1f8a FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f8a OCA], [https://pdbe.org/1f8a PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1f8a RCSB], [https://www.ebi.ac.uk/pdbsum/1f8a PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1f8a ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PIN1_HUMAN PIN1_HUMAN] Essential PPIase that regulates mitosis presumably by interacting with NIMA and attenuating its mitosis-promoting activity. Displays a preference for an acidic residue N-terminal to the isomerized proline bond. Catalyzes pSer/Thr-Pro cis/trans isomerizations. Down-regulates kinase activity of BTK. Can transactivate multiple oncogenes and induce centrosome amplification, chromosome instability and cell transformation. Required for the efficient dephosphorylation and recycling of RAF1 after mitogen activation.<ref>PMID:15664191</ref> <ref>PMID:16644721</ref> <ref>PMID:21497122</ref>
== 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/f8/1f8a_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1f8a ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Pin1 contains an N-terminal WW domain and a C-terminal peptidyl-prolyl cis-trans isomerase (PPIase) domain connected by a flexible linker. To address the energetic and structural basis for WW domain recognition of phosphoserine (P.Ser)/phosphothreonine (P. Thr)- proline containing proteins, we report the energetic and structural analysis of a Pin1-phosphopeptide complex. The X-ray crystal structure of Pin1 bound to a doubly phosphorylated peptide (Tyr-P.Ser-Pro-Thr-P.Ser-Pro-Ser) representing a heptad repeat of the RNA polymerase II large subunit's C-terminal domain (CTD), reveals the residues involved in the recognition of a single P.Ser side chain, the rings of two prolines, and the backbone of the CTD peptide. The side chains of neighboring Arg and Ser residues along with a backbone amide contribute to recognition of P.Ser. The lack of widespread conservation of the Arg and Ser residues responsible for P.Ser recognition in the WW domain family suggests that only a subset of WW domains can bind P.Ser-Pro in a similar fashion to that of Pin1.


==About this Structure==
Structural basis for phosphoserine-proline recognition by group IV WW domains.,Verdecia MA, Bowman ME, Lu KP, Hunter T, Noel JP Nat Struct Biol. 2000 Aug;7(8):639-43. PMID:10932246<ref>PMID:10932246</ref>
1F8A is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Active as [http://en.wikipedia.org/wiki/Peptidylprolyl_isomerase Peptidylprolyl isomerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.2.1.8 5.2.1.8] Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1F8A OCA].


==Reference==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
Structural basis for phosphoserine-proline recognition by group IV WW domains., Verdecia MA, Bowman ME, Lu KP, Hunter T, Noel JP, Nat Struct Biol. 2000 Aug;7(8):639-43. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=10932246 10932246]
</div>
<div class="pdbe-citations 1f8a" style="background-color:#fffaf0;"></div>
 
==See Also==
*[[Peptidyl-prolyl cis-trans isomerase|Peptidyl-prolyl cis-trans isomerase]]
*[[Peptidyl-prolyl cis-trans isomerase 3D structures|Peptidyl-prolyl cis-trans isomerase 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Peptidylprolyl isomerase]]
[[Category: Large Structures]]
[[Category: Single protein]]
[[Category: Bowman ME]]
[[Category: Bowman, M.E.]]
[[Category: Hunter T]]
[[Category: Hunter, T.]]
[[Category: Lu KP]]
[[Category: Lu, K.P.]]
[[Category: Noel JP]]
[[Category: Noel, J.P.]]
[[Category: Verdecia MA]]
[[Category: Verdecia, M.A.]]
[[Category: peptidyl-proline isomerase]]
[[Category: phosphoserine binding]]
[[Category: ww domain]]
 
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