1qnj

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(New page: 200px<br /><applet load="1qnj" size="450" color="white" frame="true" align="right" spinBox="true" caption="1qnj, resolution 1.10&Aring;" /> '''THE STRUCTURE OF NAT...)
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[[Image:1qnj.jpg|left|200px]]<br /><applet load="1qnj" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1qnj, resolution 1.10&Aring;" />
 
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'''THE STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT ATOMIC RESOLUTION (1.1 A)'''<br />
 
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==Overview==
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==THE STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT ATOMIC RESOLUTION (1.1 A)==
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A data set from the serine protease porcine pancreatic elastase was, collected at atomic resolution (1.1 A) with synchrotron radiation. The, improved resolution allows the determination of atom positions with high, accuracy, as well as the localization of H atoms. Three residues could be, modelled in alternative positions. The catalytic triad of elastase, consists of His57, Asp102 and Ser195. The His57 N(delta1) H atom was, located at a distance of 0.82 A from the N(delta1) atom. The distance, between His57 N(delta1) and Asp102 O(delta2) is 2.70 +/- 0.04 A, thus, indicating normal hydrogen-bonding geometry. Additional H atoms at His57, N(varepsilon2) and Ser195 O(gamma) could not be identified in the F(o) -, F(c) density maps.
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<StructureSection load='1qnj' size='340' side='right'caption='[[1qnj]], [[Resolution|resolution]] 1.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1qnj]] 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=1QNJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QNJ 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]] 1.1&#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></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=1qnj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qnj OCA], [https://pdbe.org/1qnj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qnj RCSB], [https://www.ebi.ac.uk/pdbsum/1qnj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qnj 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/qn/1qnj_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=1qnj 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 data set from the serine protease porcine pancreatic elastase was collected at atomic resolution (1.1 A) with synchrotron radiation. The improved resolution allows the determination of atom positions with high accuracy, as well as the localization of H atoms. Three residues could be modelled in alternative positions. The catalytic triad of elastase consists of His57, Asp102 and Ser195. The His57 N(delta1) H atom was located at a distance of 0.82 A from the N(delta1) atom. The distance between His57 N(delta1) and Asp102 O(delta2) is 2.70 +/- 0.04 A, thus indicating normal hydrogen-bonding geometry. Additional H atoms at His57 N(varepsilon2) and Ser195 O(gamma) could not be identified in the F(o) - F(c) density maps.
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==About this Structure==
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Atomic resolution structure of native porcine pancreatic elastase at 1.1 A.,Wurtele M, Hahn M, Hilpert K, Hohne W Acta Crystallogr D Biol Crystallogr. 2000 Apr;56(Pt 4):520-3. PMID:10739939<ref>PMID:10739939</ref>
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1QNJ 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 and SO4 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=1QNJ OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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Atomic resolution structure of native porcine pancreatic elastase at 1.1 A., Wurtele M, Hahn M, Hilpert K, Hohne W, Acta Crystallogr D Biol Crystallogr. 2000 Apr;56(Pt 4):520-3. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=10739939 10739939]
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</div>
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[[Category: Pancreatic elastase]]
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<div class="pdbe-citations 1qnj" style="background-color:#fffaf0;"></div>
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[[Category: Single protein]]
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[[Category: Sus scrofa]]
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[[Category: Hahn, M.]]
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[[Category: Hilpert, K.]]
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[[Category: Hohne, W.]]
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[[Category: Wurtele, M.]]
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[[Category: NA]]
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[[Category: SO4]]
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[[Category: atomic resolution]]
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[[Category: hydrolase(serine protease)]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 00:50:02 2007''
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==See Also==
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*[[Elastase 3D structures|Elastase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Sus scrofa]]
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[[Category: Hahn M]]
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[[Category: Hilpert K]]
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[[Category: Hohne W]]
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[[Category: Wurtele M]]

Current revision

THE STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT ATOMIC RESOLUTION (1.1 A)

PDB ID 1qnj

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