1ezx

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==CRYSTAL STRUCTURE OF A SERPIN:PROTEASE COMPLEX==
==CRYSTAL STRUCTURE OF A SERPIN:PROTEASE COMPLEX==
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<StructureSection load='1ezx' size='340' side='right' caption='[[1ezx]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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<StructureSection load='1ezx' size='340' side='right'caption='[[1ezx]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1ezx]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The May 2004 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Serpins'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2004_5 10.2210/rcsb_pdb/mom_2004_5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EZX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1EZX FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1ezx]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The May 2004 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Serpins'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2004_5 10.2210/rcsb_pdb/mom_2004_5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EZX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EZX FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Trypsin Trypsin], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.4 3.4.21.4] </span></td></tr>
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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]] 2.6&#8491;</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ezx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ezx OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ezx RCSB], [http://www.ebi.ac.uk/pdbsum/1ezx PDBsum]</span></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=1ezx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ezx OCA], [https://pdbe.org/1ezx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ezx RCSB], [https://www.ebi.ac.uk/pdbsum/1ezx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ezx ProSAT]</span></td></tr>
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<table>
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</table>
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== Disease ==
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[[http://www.uniprot.org/uniprot/A1AT_HUMAN A1AT_HUMAN]] Defects in SERPINA1 are the cause of alpha-1-antitrypsin deficiency (A1ATD) [MIM:[http://omim.org/entry/613490 613490]]. A disorder whose most common manifestation is emphysema, which becomes evident by the third to fourth decade. A less common manifestation of the deficiency is liver disease, which occurs in children and adults, and may result in cirrhosis and liver failure. Environmental factors, particularly cigarette smoking, greatly increase the risk of emphysema at an earlier age.<ref>PMID:1905728</ref> <ref>PMID:2390072</ref> <ref>PMID:2227940</ref>
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== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/A1AT_HUMAN A1AT_HUMAN]] Inhibitor of serine proteases. Its primary target is elastase, but it also has a moderate affinity for plasmin and thrombin. Irreversibly inhibits trypsin, chymotrypsin and plasminogen activator. The aberrant form inhibits insulin-induced NO synthesis in platelets, decreases coagulation time and has proteolytic activity against insulin and plasmin.[:]<ref>PMID:1906855</ref> <ref>PMID:1406456</ref> Short peptide from AAT: reversible chymotrypsin inhibitor. It also inhibits elastase, but not trypsin. Its major physiological function is the protection of the lower respiratory tract against proteolytic destruction by human leukocyte elastase (HLE).[:]<ref>PMID:1906855</ref> <ref>PMID:1406456</ref>
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[https://www.uniprot.org/uniprot/TRY1_BOVIN TRY1_BOVIN]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ez/1ezx_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ez/1ezx_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
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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=1ezx ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 1ezx" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Alpha-1-antitrypsin|Alpha-1-antitrypsin]]
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*[[Alpha-1-antitrypsin 3D structures|Alpha-1-antitrypsin 3D structures]]
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*[[Trypsin|Trypsin]]
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*[[User:Daniel Seeman/Alpha-1-antitrypsin|User:Daniel Seeman/Alpha-1-antitrypsin]]
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== References ==
== References ==
<references/>
<references/>
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[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Large Structures]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Serpins]]
[[Category: Serpins]]
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[[Category: Trypsin]]
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[[Category: Carrell RW]]
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[[Category: Carrell, R W.]]
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[[Category: Huntington JA]]
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[[Category: Huntington, J A.]]
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[[Category: Alpha-1-antitrypsin]]
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[[Category: Hydrolase-hydrolase inhibitor complex]]
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[[Category: Protease-inhibitor complex]]
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[[Category: Serpin]]
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[[Category: Trypsin]]
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Current revision

CRYSTAL STRUCTURE OF A SERPIN:PROTEASE COMPLEX

PDB ID 1ezx

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