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1r1l

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{{STRUCTURE_1r1l| PDB=1r1l | SCENE= }}
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==Structure of dimeric antithrombin complexed with a P14-P9 reactive loop peptide and an exogenous tripeptide (formyl-norleucine-LF)==
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===Structure of dimeric antithrombin complexed with a P14-P9 reactive loop peptide and an exogenous tripeptide (formyl-norleucine-LF)===
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<StructureSection load='1r1l' size='340' side='right' caption='[[1r1l]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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== Structural highlights ==
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==Disease==
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<table><tr><td colspan='2'>[[1r1l]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1R1L OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1R1L FirstGlance]. <br>
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[[http://www.uniprot.org/uniprot/ANT3_HUMAN ANT3_HUMAN]] Defects in SERPINC1 are the cause of antithrombin III deficiency (AT3D) [MIM:[http://omim.org/entry/613118 613118]]. AT3D is an important risk factor for hereditary thrombophilia, a hemostatic disorder characterized by a tendency to recurrent thrombosis. AT3D is classified into 4 types. Type I: characterized by a 50% decrease in antigenic and functional levels. Type II: has defects affecting the thrombin-binding domain. Type III: alteration of the heparin-binding domain. Plasma AT-III antigen levels are normal in type II and III. Type IV: consists of miscellaneous group of unclassifiable mutations.<ref>PMID:7734359</ref>[:]<ref>PMID:3191114</ref><ref>PMID:9031473</ref><ref>PMID:6582486</ref><ref>PMID:3080419</ref><ref>PMID:3805013</ref><ref>PMID:3179438</ref><ref>PMID:3162733</ref><ref>PMID:2781509</ref><ref>PMID:2365065</ref><ref>PMID:2229057</ref><ref>PMID:2013320</ref><ref>PMID:1906811</ref><ref>PMID:1555650</ref><ref>PMID:1547341</ref><ref>PMID:8443391</ref><ref>PMID:8486379</ref><ref>PMID:7981186</ref><ref>PMID:7959685</ref><ref>PMID:8274732</ref><ref>PMID:7994035</ref><ref>PMID:7989582</ref>[:]<ref>PMID:7878627</ref><ref>PMID:7832187</ref><ref>PMID:9157604</ref><ref>PMID:9845533</ref><ref>PMID:9759613</ref><ref>PMID:10997988</ref><ref>PMID:11794707</ref><ref>PMID:11713457</ref><ref>PMID:12353073</ref><ref>PMID:12595305</ref><ref>PMID:12894857</ref><ref>PMID:15164384</ref><ref>PMID:16908819</ref>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FOR:FORMYL+GROUP'>FOR</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene>, <scene name='pdbligand=NLE:NORLEUCINE'>NLE</scene></td></tr>
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==Function==
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1lk6|1lk6]], [[1jvq|1jvq]]</td></tr>
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[[http://www.uniprot.org/uniprot/ANT3_HUMAN ANT3_HUMAN]] Most important serine protease inhibitor in plasma that regulates the blood coagulation cascade. AT-III inhibits thrombin, matriptase-3/TMPRSS7, as well as factors IXa, Xa and XIa. Its inhibitory activity is greatly enhanced in the presence of heparin.<ref>PMID:15853774</ref>
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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=1r1l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1r1l OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1r1l RCSB], [http://www.ebi.ac.uk/pdbsum/1r1l PDBsum]</span></td></tr>
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<table>
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==About this Structure==
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== Disease ==
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[[1r1l]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1R1L OCA].
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[[http://www.uniprot.org/uniprot/ANT3_HUMAN ANT3_HUMAN]] Defects in SERPINC1 are the cause of antithrombin III deficiency (AT3D) [MIM:[http://omim.org/entry/613118 613118]]. AT3D is an important risk factor for hereditary thrombophilia, a hemostatic disorder characterized by a tendency to recurrent thrombosis. AT3D is classified into 4 types. Type I: characterized by a 50% decrease in antigenic and functional levels. Type II: has defects affecting the thrombin-binding domain. Type III: alteration of the heparin-binding domain. Plasma AT-III antigen levels are normal in type II and III. Type IV: consists of miscellaneous group of unclassifiable mutations.<ref>PMID:7734359</ref> [:]<ref>PMID:3191114</ref> <ref>PMID:9031473</ref> <ref>PMID:6582486</ref> <ref>PMID:3080419</ref> <ref>PMID:3805013</ref> <ref>PMID:3179438</ref> <ref>PMID:3162733</ref> <ref>PMID:2781509</ref> <ref>PMID:2365065</ref> <ref>PMID:2229057</ref> <ref>PMID:2013320</ref> <ref>PMID:1906811</ref> <ref>PMID:1555650</ref> <ref>PMID:1547341</ref> <ref>PMID:8443391</ref> <ref>PMID:8486379</ref> <ref>PMID:7981186</ref> <ref>PMID:7959685</ref> <ref>PMID:8274732</ref> <ref>PMID:7994035</ref> <ref>PMID:7989582</ref> [:]<ref>PMID:7878627</ref> <ref>PMID:7832187</ref> <ref>PMID:9157604</ref> <ref>PMID:9845533</ref> <ref>PMID:9759613</ref> <ref>PMID:10997988</ref> <ref>PMID:11794707</ref> <ref>PMID:11713457</ref> <ref>PMID:12353073</ref> <ref>PMID:12595305</ref> <ref>PMID:12894857</ref> <ref>PMID:15164384</ref> <ref>PMID:16908819</ref>
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== Function ==
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[[http://www.uniprot.org/uniprot/ANT3_HUMAN ANT3_HUMAN]] Most important serine protease inhibitor in plasma that regulates the blood coagulation cascade. AT-III inhibits thrombin, matriptase-3/TMPRSS7, as well as factors IXa, Xa and XIa. Its inhibitory activity is greatly enhanced in the presence of heparin.<ref>PMID:15853774</ref>
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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/r1/1r1l_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
*[[Antithrombin|Antithrombin]]
*[[Antithrombin|Antithrombin]]
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== References ==
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==Reference==
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<references/>
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<references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Carrell, R W.]]
[[Category: Carrell, R W.]]

Revision as of 14:09, 29 September 2014

Structure of dimeric antithrombin complexed with a P14-P9 reactive loop peptide and an exogenous tripeptide (formyl-norleucine-LF)

1r1l, resolution 2.70Å

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