1a5g

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{{Seed}}
 
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[[Image:1a5g.png|left|200px]]
 
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==HUMAN THROMBIN COMPLEXED WITH NOVEL SYNTHETIC PEPTIDE MIMETIC INHIBITOR AND HIRUGEN==
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The line below this paragraph, containing "STRUCTURE_1a5g", creates the "Structure Box" on the page.
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<StructureSection load='1a5g' size='340' side='right'caption='[[1a5g]], [[Resolution|resolution]] 2.06&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'>[[1a5g]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Hirudo_medicinalis Hirudo medicinalis] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A5G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1A5G 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]] 2.06&#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=00L:(1S,7S)-7-AMINO-7-BENZYL-N-[(1S)-4-CARBAMIMIDAMIDO-1-{(1S)-1-HYDROXY-2-OXO-2-[(2-PHENYLETHYL)AMINO]ETHYL}BUTYL]-8-OXOHEXAHYDRO-1H-PYRAZOLO[1,2-A]PYRIDAZINE-1-CARBOXAMIDE'>00L</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=TYS:O-SULFO-L-TYROSINE'>TYS</scene></td></tr>
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{{STRUCTURE_1a5g| PDB=1a5g | 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=1a5g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1a5g OCA], [https://pdbe.org/1a5g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1a5g RCSB], [https://www.ebi.ac.uk/pdbsum/1a5g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1a5g ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HIRV2_HIRME HIRV2_HIRME] Hirudin is a potent thrombin-specific protease inhibitor. It forms a stable non-covalent complex with alpha-thrombin, thereby abolishing its ability to cleave fibrinogen.
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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/a5/1a5g_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=1a5g 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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The X-ray crystal structures of four beta-strand-templated active site inhibitors of thrombin containing P1' groups have been determined and refined at about 2.1-A resolution to crystallographic R-values between 0.148 and 0.164. Two of the inhibitors have an alpha-ketoamide functionality at the scissile bond; the other two have a nonhydrolyzable electrophilic group at the P1' position. The binding of lysine is compared with that of arginine at the S1 specificity site, while that of D,L-phenylalanine enantiomorphs is compared in the S3 region of thrombin. Four different P1' moieties bind at the S1' subsite in three different ways. The binding constants vary between 2.0 microM and 70 pM. The bound structures are used to intercorrelate the various binding constants and also lead to insightful inferences concerning binding at the S1' site of thrombin.
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===HUMAN THROMBIN COMPLEXED WITH NOVEL SYNTHETIC PEPTIDE MIMETIC INHIBITOR AND HIRUGEN===
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Bound structures of novel P3-P1' beta-strand mimetic inhibitors of thrombin.,St Charles R, Matthews JH, Zhang E, Tulinsky A J Med Chem. 1999 Apr 22;42(8):1376-83. PMID:10212123<ref>PMID:10212123</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 1a5g" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_10212123}}, adds the Publication Abstract to the page
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*[[Hirudin 3D structures|Hirudin 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 10212123 is the PubMed ID number.
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*[[Thrombin 3D Structures|Thrombin 3D Structures]]
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== References ==
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{{ABSTRACT_PUBMED_10212123}}
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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1A5G is a 3 chains structure of sequences from [http://en.wikipedia.org/wiki/Hirudo_medicinalis Hirudo medicinalis] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A5G OCA].
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==Reference==
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<ref group="xtra">PMID:10212123</ref><references group="xtra"/>
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[[Category: Hirudo medicinalis]]
[[Category: Hirudo medicinalis]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Thrombin]]
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[[Category: Large Structures]]
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[[Category: Charles, R St.]]
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[[Category: Kahn M]]
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[[Category: Kahn, M.]]
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[[Category: St Charles R]]
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[[Category: Tulinsky, A.]]
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[[Category: Tulinsky A]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 17:09:08 2009''
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Current revision

HUMAN THROMBIN COMPLEXED WITH NOVEL SYNTHETIC PEPTIDE MIMETIC INHIBITOR AND HIRUGEN

PDB ID 1a5g

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