1yf4

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[[Image:1yf4.png|left|200px]]
 
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{{STRUCTURE_1yf4| PDB=1yf4 | SCENE= }}
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==Crystal Structure of trypsin-vasopressin complex==
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<StructureSection load='1yf4' size='340' side='right'caption='[[1yf4]], [[Resolution|resolution]] 1.98&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1yf4]] is a 2 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=1YF4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YF4 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]] 1.98&#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=NH2:AMINO+GROUP'>NH2</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=1yf4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yf4 OCA], [https://pdbe.org/1yf4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yf4 RCSB], [https://www.ebi.ac.uk/pdbsum/1yf4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yf4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TRYP_PIG TRYP_PIG]
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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/yf/1yf4_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=1yf4 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 large variety of serine protease inhibitors, available from various sources such as tissues, microorganisms, plants, etc., play an important role in regulating the proteolytic enzymes. The analysis of protease-inhibitor complexes helps in understanding the mechanism of action, as well as in designing inhibitors. Vasopressin, an anti-diuretic nonapeptide hormone, is found to be an effective inhibitor of trypsin, with a K(i) value of 5 nM. The crystal structure of the trypsin-vasopressin complex revealed that vasopressin fulfils all the important interactions for an inhibitor, without any break in the scissile peptide bond. The cyclic nature due to a disulfide bridge between Cys1 and Cys6 of vasopressin provides structural rigidity to the peptide hormone. The trypsin-binding site is located at the C terminus, while the neurophysin-binding site is at the N terminus of vasopressin. This study will assist in designing new peptide inhibitors. This study suggests that vasopressin inhibition of trypsin may have unexplored biological implications.
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===Crystal Structure of trypsin-vasopressin complex===
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Trypsin inhibition by a peptide hormone: crystal structure of trypsin-vasopressin complex.,Syed Ibrahim B, Pattabhi V J Mol Biol. 2005 May 20;348(5):1191-8. Epub 2005 Apr 1. PMID:15854654<ref>PMID:15854654</ref>
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{{ABSTRACT_PUBMED_15854654}}
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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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==About this Structure==
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<div class="pdbe-citations 1yf4" style="background-color:#fffaf0;"></div>
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[[1yf4]] is a 2 chain structure of [[Trypsin]] with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YF4 OCA].
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==See Also==
==See Also==
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*[[Trypsin|Trypsin]]
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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:015854654</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
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[[Category: Trypsin]]
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[[Category: Pattabhi V]]
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[[Category: Ibrahim, B Syed.]]
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[[Category: Syed Ibrahim B]]
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[[Category: Pattabhi, V.]]
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[[Category: Hydrolase-hormone-growth factor complex]]
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[[Category: Peptide binding]]
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[[Category: Trypsin]]
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[[Category: Vasopressin]]
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Current revision

Crystal Structure of trypsin-vasopressin complex

PDB ID 1yf4

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Proteopedia Page Contributors and Editors (what is this?)

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