1w8m

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[[Image:1w8m.jpg|left|200px]]
 
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==Enzymatic and Structural Characterisation of Non Peptide Ligand Cyclophilin Complexes==
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The line below this paragraph, containing "STRUCTURE_1w8m", creates the "Structure Box" on the page.
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<StructureSection load='1w8m' size='340' side='right'caption='[[1w8m]], [[Resolution|resolution]] 1.65&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'>[[1w8m]] is a 1 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=1W8M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1W8M 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]] 1.65&#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=E1P:ETHYL+OXO(PIPERIDIN-1-YL)ACETATE'>E1P</scene></td></tr>
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{{STRUCTURE_1w8m| PDB=1w8m | 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=1w8m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1w8m OCA], [https://pdbe.org/1w8m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1w8m RCSB], [https://www.ebi.ac.uk/pdbsum/1w8m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1w8m ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PPIA_HUMAN PPIA_HUMAN] PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides.
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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/w8/1w8m_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=1w8m 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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Piperidine ligands are described that provide the first examples of non-peptidic ligand structures for the cyclophilin family of proteins. Crystal structures of two ligand complexes are compared with the unliganded protein and show ligand-induced changes in side-chain conformation and water binding. A peptidylprolyl cis-trans-isomerase assay showed the dissociation constants of the two ligands to be 320 and 25 mM. This study also provides the first published data for both enzymatic activity and three-dimensional structure for any protein-ligand complex that binds with a high-millimolar dissociation constant. The structures may be of relevance in the field of drug design, as they suggest starting points for the design of larger tighter-binding analogues.
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'''ENZYMATIC AND STRUCTURAL CHARACTERISATION OF NON PEPTIDE LIGAND CYCLOPHILIN COMPLEXES'''
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Enzymatic and structural characterization of non-peptide ligand-cyclophilin complexes.,Kontopidis G, Taylor P, Walkinshaw MD Acta Crystallogr D Biol Crystallogr. 2004 Mar;60(Pt 3):479-85. Epub 2004, Feb 25. PMID:14993672<ref>PMID:14993672</ref>
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==Overview==
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Piperidine ligands are described that provide the first examples of non-peptidic ligand structures for the cyclophilin family of proteins. Crystal structures of two ligand complexes are compared with the unliganded protein and show ligand-induced changes in side-chain conformation and water binding. A peptidylprolyl cis-trans-isomerase assay showed the dissociation constants of the two ligands to be 320 and 25 mM. This study also provides the first published data for both enzymatic activity and three-dimensional structure for any protein-ligand complex that binds with a high-millimolar dissociation constant. The structures may be of relevance in the field of drug design, as they suggest starting points for the design of larger tighter-binding analogues.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1W8M is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1W8M OCA].
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</div>
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<div class="pdbe-citations 1w8m" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Enzymatic and structural characterization of non-peptide ligand-cyclophilin complexes., Kontopidis G, Taylor P, Walkinshaw MD, Acta Crystallogr D Biol Crystallogr. 2004 Mar;60(Pt 3):479-85. Epub 2004, Feb 25. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14993672 14993672]
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*[[Cyclophilin 3D structures|Cyclophilin 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Peptidylprolyl isomerase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Kontopidis G]]
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[[Category: Kontopidis, G.]]
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[[Category: Taylor P]]
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[[Category: Taylor, P.]]
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[[Category: Walkinshaw M]]
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[[Category: Walkinshaw, M.]]
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[[Category: 3d-structure]]
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[[Category: Isomerase]]
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[[Category: Multigene family]]
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[[Category: Non peptide ligand]]
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[[Category: Rotamase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 13:18:32 2008''
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Current revision

Enzymatic and Structural Characterisation of Non Peptide Ligand Cyclophilin Complexes

PDB ID 1w8m

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