2er6

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[[Image:2er6.jpg|left|200px]]
 
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{{Structure
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==The structure of a synthetic pepsin inhibitor complexed with endothiapepsin.==
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|PDB= 2er6 |SIZE=350|CAPTION= <scene name='initialview01'>2er6</scene>, resolution 2.0&Aring;
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<StructureSection load='2er6' size='340' side='right'caption='[[2er6]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[2er6]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Cryphonectria_parasitica Cryphonectria parasitica]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ER6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ER6 FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Hydrolase Hydrolase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.103, 3.4.23.18, 3.4.23.28 and 3.4.23.30 3.4.21.103, 3.4.23.18, 3.4.23.28 and 3.4.23.30] </span>
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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&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PUK:N-[(2S)-2-AMINO-3-PHENYLPROPYL]-L-PHENYLALANINE'>PUK</scene></td></tr>
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|DOMAIN=
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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=2er6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2er6 OCA], [https://pdbe.org/2er6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2er6 RCSB], [https://www.ebi.ac.uk/pdbsum/2er6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2er6 ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2er6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2er6 OCA], [http://www.ebi.ac.uk/pdbsum/2er6 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2er6 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/CARP_CRYPA CARP_CRYPA]
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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/er/2er6_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=2er6 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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The conformation of a synthetic polypeptide inhibitor, bound to the active site of the fungal aspartic proteinase endothiapepsin (EC 3.4.23.6), has been determined by X-ray diffraction at 0.20-nm resolution and refined to an agreement factor of 0.20. The inhibitor: Pro Thr Glu Phe-R-Phe Arg Glu (R = -CH2NH-) is based on a chromogenic substrate of pepsin (EC 3.4.23.1). It has, in place of the scissile bond, a reduced peptide group which is resistant to hydrolysis and mimics the tetrahedral transition state. The inhibitor binds in an extended conformation with the reduced bond close to the essential aspartate side-chains of the enzyme. The hydrogen bonds and hydrophobic interactions between the enzyme and the inhibitor do not induce large conformational changes.
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'''THE STRUCTURE OF A SYNTHETIC PEPSIN INHIBITOR COMPLEXED WITH ENDOTHIAPEPSIN.'''
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The structure of a synthetic pepsin inhibitor complexed with endothiapepsin.,Cooper J, Foundling S, Hemmings A, Blundell T, Jones DM, Hallett A, Szelke M Eur J Biochem. 1987 Nov 16;169(1):215-21. PMID:3119339<ref>PMID:3119339</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 2er6" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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The conformation of a synthetic polypeptide inhibitor, bound to the active site of the fungal aspartic proteinase endothiapepsin (EC 3.4.23.6), has been determined by X-ray diffraction at 0.20-nm resolution and refined to an agreement factor of 0.20. The inhibitor: Pro Thr Glu Phe-R-Phe Arg Glu (R = -CH2NH-) is based on a chromogenic substrate of pepsin (EC 3.4.23.1). It has, in place of the scissile bond, a reduced peptide group which is resistant to hydrolysis and mimics the tetrahedral transition state. The inhibitor binds in an extended conformation with the reduced bond close to the essential aspartate side-chains of the enzyme. The hydrogen bonds and hydrophobic interactions between the enzyme and the inhibitor do not induce large conformational changes.
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*[[Pepsin|Pepsin]]
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== References ==
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==About this Structure==
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<references/>
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2ER6 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Cryphonectria_parasitica Cryphonectria parasitica]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ER6 OCA].
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__TOC__
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</StructureSection>
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==Reference==
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The structure of a synthetic pepsin inhibitor complexed with endothiapepsin., Cooper J, Foundling S, Hemmings A, Blundell T, Jones DM, Hallett A, Szelke M, Eur J Biochem. 1987 Nov 16;169(1):215-21. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/3119339 3119339]
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[[Category: Cryphonectria parasitica]]
[[Category: Cryphonectria parasitica]]
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[[Category: Hydrolase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Blundell TL]]
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[[Category: Blundell, T L.]]
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[[Category: Cooper JB]]
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[[Category: Cooper, J B.]]
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[[Category: Foundling SI]]
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[[Category: Foundling, S I.]]
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[[Category: Szelke M]]
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[[Category: Szelke, M.]]
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[[Category: hydrolase (acid proteinase)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:52:41 2008''
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Current revision

The structure of a synthetic pepsin inhibitor complexed with endothiapepsin.

PDB ID 2er6

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