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1eat

From Proteopedia

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(New page: 200px<br /><applet load="1eat" size="450" color="white" frame="true" align="right" spinBox="true" caption="1eat, resolution 2.0&Aring;" /> '''NONPEPTIDIC INHIBITOR...)
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[[Image:1eat.gif|left|200px]]<br /><applet load="1eat" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1eat, resolution 2.0&Aring;" />
 
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'''NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 5. DESIGN, SYNTHESIS, AND X-RAY CRYSTALLOGRAPHY OF A SERIES OF ORALLY ACTIVE 5-AMINO-PYRIMIDIN-6-ONE-CONTAINING TRIFLUOROMETHYLKETONES'''<br />
 
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==Overview==
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==NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 5. DESIGN, SYNTHESIS, AND X-RAY CRYSTALLOGRAPHY OF A SERIES OF ORALLY ACTIVE 5-AMINO-PYRIMIDIN-6-ONE-CONTAINING TRIFLUOROMETHYLKETONES==
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The effects of changes in substitution in a series of, 5-amino-2-pyrimidin-6-ones on both in vitro activity and oral activity in, an acute hemorrhagic assay have been explored. These compounds contained, either a trifluoromethyl ketone or a boronic acid moiety to bind, covalently to the Ser-195 hydroxyl of human leukocyte elastase (HLE)., Boronic acid-containing inhibitors were found to be more potent than the, corresponding trifluoromethyl ketones in vitro but were less active upon, oral administration. Compound 13b was found to offer the best combination, of oral potency, duration of action, and enzyme selectivity and, as such, was selected for further biological testing. X-ray crystallography of a, cocrystallized complex of compound 19m and porcine pancreatic elastase, demonstrated that the inhibitor is bound to the enzyme in a manner similar, to that found previously for a closely related series of, pyridone-containing inhibitors of HLE.
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<StructureSection load='1eat' size='340' side='right'caption='[[1eat]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1eat]] 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=1EAT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EAT 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&#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=TFI:2-[5-METHANESULFONYLAMINO-2-(4-AMINOPHENYL)-6-OXO-1,6-DIHYDRO-1-PYRIMIDINYL]-N-(3,3,3-TRIFLUORO-1-ISOPROPYL-2-OXOPROPYL)ACETAMIDE'>TFI</scene></td></tr>
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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=1eat FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1eat OCA], [https://pdbe.org/1eat PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1eat RCSB], [https://www.ebi.ac.uk/pdbsum/1eat PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1eat 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/1eat_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=1eat ConSurf].
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<div style="clear:both"></div>
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==About this Structure==
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==See Also==
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1EAT is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa] with NA, SO4 and TFI as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Pancreatic_elastase Pancreatic elastase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.36 3.4.21.36] Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1EAT OCA].
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*[[Elastase 3D structures|Elastase 3D structures]]
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__TOC__
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==Reference==
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</StructureSection>
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Nonpeptidic inhibitors of human leukocyte elastase. 5. Design, synthesis, and X-ray crystallography of a series of orally active 5-aminopyrimidin-6-one-containing trifluoromethyl ketones., Veale CA, Bernstein PR, Bryant C, Ceccarelli C, Damewood JR Jr, Earley R, Feeney SW, Gomes B, Kosmider BJ, Steelman GB, et al., J Med Chem. 1995 Jan 6;38(1):98-108. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=7837246 7837246]
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[[Category: Large Structures]]
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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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[[Category: NA]]
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[[Category: SO4]]
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[[Category: TFI]]
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[[Category: hydrolase (serine protease)]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Nov 20 13:51:59 2007''
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Current revision

NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 5. DESIGN, SYNTHESIS, AND X-RAY CRYSTALLOGRAPHY OF A SERIES OF ORALLY ACTIVE 5-AMINO-PYRIMIDIN-6-ONE-CONTAINING TRIFLUOROMETHYLKETONES

PDB ID 1eat

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