1ql8

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{{Seed}}
 
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[[Image:1ql8.png|left|200px]]
 
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==FACTOR XA SPECIFIC INHIBITOR IN COMPLEX WITH BOVINE TRYPSIN==
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The line below this paragraph, containing "STRUCTURE_1ql8", creates the "Structure Box" on the page.
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<StructureSection load='1ql8' size='340' side='right'caption='[[1ql8]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[1ql8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QL8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QL8 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]] 3&#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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZEN:[4-(6-CHLORO-NAPHTHALENE-2-SULFONYL)-PIPERAZIN-1-YL]-+(3,4,5,6-TETRAHYDRO-2H-[1,4]BIPYRIDINYL-4-YL)-+METHANONE'>ZEN</scene></td></tr>
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{{STRUCTURE_1ql8| PDB=1ql8 | 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=1ql8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ql8 OCA], [https://pdbe.org/1ql8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ql8 RCSB], [https://www.ebi.ac.uk/pdbsum/1ql8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ql8 ProSAT]</span></td></tr>
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</table>
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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/ql/1ql8_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=1ql8 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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Crystal structures of DX9065a and a related bisamidino-aryl inhibitor specific for the blood-clotting factor Xa have been solved in complex with bovine beta-trypsin to a resolution of 1.9 A. Each inhibitor exhibits an extended conformation along the active site, in contrast to the compact folded structures observed for thrombin specific inhibitors. Few direct contacts (predominantly in the S1 pocket) are made between trypsin and the inhibitors. Transfer of the inhibitors to the active site of factor Xa suggests a three-site interaction: salt bridge formation at the base of the primary specificity pocket, extensive hydrophobic surface burial and a weak electrostatic interaction between the distal basic component of the inhibitor and an electronegative cavity of factor Xa formed by three backbone carbonyl oxygens. Additivity of these three interactions is the basis for the observed strong inhibition of factor Xa and provides a framework for the design of novel factor Xa inhibitors. A propionic acid group of the inhibitor would clash with the thrombin specific '60-insertion loop', thus conferring selectivity against thrombin.
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===FACTOR XA SPECIFIC INHIBITOR IN COMPLEX WITH BOVINE TRYPSIN===
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Crystal structures of factor Xa specific inhibitors in complex with trypsin: structural grounds for inhibition of factor Xa and selectivity against thrombin.,Stubbs MT, Huber R, Bode W FEBS Lett. 1995 Nov 13;375(1-2):103-7. PMID:007498454<ref>PMID:007498454</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 1ql8" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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1QL8 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QL8 OCA].
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*[[Trypsin 3D structures|Trypsin 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:11921406</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Trypsin]]
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[[Category: Large Structures]]
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[[Category: Stubbs, M T.]]
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[[Category: Stubbs MT]]
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[[Category: Hydrolase]]
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[[Category: Serine proteinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 17:13:00 2009''
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Current revision

FACTOR XA SPECIFIC INHIBITOR IN COMPLEX WITH BOVINE TRYPSIN

PDB ID 1ql8

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