1eas

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{{Seed}}
 
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[[Image:1eas.png|left|200px]]
 
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==NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 3. DESIGN, SYNTHESIS, X-RAY CRYSTALLOGRAPHIC ANALYSIS, AND STRUCTURE-ACTIVITY RELATIONSHIPS FOR A SERIES OF ORALLY ACTIVE 3-AMINO-6-PHENYLPYRIDIN-2-ONE TRIFLUOROMETHYL KETONES==
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The line below this paragraph, containing "STRUCTURE_1eas", creates the "Structure Box" on the page.
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<StructureSection load='1eas' size='340' side='right'caption='[[1eas]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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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'>[[1eas]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EAS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EAS 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]] 1.8&#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=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=TFK:3-[[(METHYLAMINO)SULFONYL]AMINO]-2-OXO-6-PHENYL-N-[3,3,3-TRIFLUORO-1-(1-METHYLETHYL)-2-OXOPHENYL]-1(2H)-PYRIDINE+ACETAMIDE'>TFK</scene></td></tr>
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{{STRUCTURE_1eas| PDB=1eas | 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=1eas FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1eas OCA], [https://pdbe.org/1eas PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1eas RCSB], [https://www.ebi.ac.uk/pdbsum/1eas PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1eas ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CELA1_PIG CELA1_PIG] Acts upon elastin.
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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/ea/1eas_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=1eas 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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A series of nonpeptidic inhibitors of human leukocyte elastase (HLE) is reported. These trifluoromethyl ketone-based inhibitors contain a 3-amino-6-phenylpyridone group as a central template. The effect of varying the N-3 substituent in these inhibitors on in vitro potency, physical properties, and oral activity in a hamster based, HLE-induced lung damage model is described. The variety of substituents at this position that have little effect on in vitro potency supports the idea that this region of the molecule does not interact strongly with the enzyme. One exception to this generality is 13k, which is substituted with a (4-acetamidophenyl)sulfonyl group. This compound has a K(i) of 0.7 nM and is, in vitro, the most potent inhibitor in the series. In contrast, variation of the N-3 substituent was found to have a dramatic effect on activity after oral administration. Several analogs, including the parent amine, 7, formamide, 2u, benzyl sulfamide, 13e, and benzyl sulfonamide, 13f, show significant activity when administered at an oral dose of 2.5 mg/kg. Support for the modeling-based design concepts was obtained through in vitro SAR results and X-ray crystallographic analysis of the complex between 13d and porcine pancreatic elastase (PPE), a closely related enzyme.
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===NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 3. DESIGN, SYNTHESIS, X-RAY CRYSTALLOGRAPHIC ANALYSIS, AND STRUCTURE-ACTIVITY RELATIONSHIPS FOR A SERIES OF ORALLY ACTIVE 3-AMINO-6-PHENYLPYRIDIN-2-ONE TRIFLUOROMETHYL KETONES===
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Nonpeptidic inhibitors of human leukocyte elastase. 3. Design, synthesis, X-ray crystallographic analysis, and structure-activity relationships for a series of orally active 3-amino-6-phenylpyridin-2-one trifluoromethyl ketones.,Bernstein PR, Andisik D, Bradley PK, Bryant CB, Ceccarelli C, Damewood JR Jr, Earley R, Edwards PD, Feeney S, Gomes BC, et al. J Med Chem. 1994 Sep 30;37(20):3313-26. PMID:7932559<ref>PMID:7932559</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 1eas" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_7932559}}, adds the Publication Abstract to the page
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*[[Elastase 3D structures|Elastase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 7932559 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_7932559}}
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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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1EAS is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EAS OCA].
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==Reference==
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Nonpeptidic inhibitors of human leukocyte elastase. 3. Design, synthesis, X-ray crystallographic analysis, and structure-activity relationships for a series of orally active 3-amino-6-phenylpyridin-2-one trifluoromethyl ketones., Bernstein PR, Andisik D, Bradley PK, Bryant CB, Ceccarelli C, Damewood JR Jr, Earley R, Edwards PD, Feeney S, Gomes BC, et al., J Med Chem. 1994 Sep 30;37(20):3313-26. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7932559 7932559]
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[[Category: Pancreatic elastase]]
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[[Category: Single protein]]
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[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
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[[Category: Ceccarelli, C.]]
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[[Category: Ceccarelli C]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 00:25:28 2008''
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Current revision

NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 3. DESIGN, SYNTHESIS, X-RAY CRYSTALLOGRAPHIC ANALYSIS, AND STRUCTURE-ACTIVITY RELATIONSHIPS FOR A SERIES OF ORALLY ACTIVE 3-AMINO-6-PHENYLPYRIDIN-2-ONE TRIFLUOROMETHYL KETONES

PDB ID 1eas

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