1tio

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(New page: 200px<br /><applet load="1tio" size="450" color="white" frame="true" align="right" spinBox="true" caption="1tio, resolution 1.93&Aring;" /> '''HIGH PACKING DENSITY...)
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[[Image:1tio.gif|left|200px]]<br /><applet load="1tio" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1tio, resolution 1.93&Aring;" />
 
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'''HIGH PACKING DENSITY FORM OF BOVINE BETA-TRYPSIN IN CYCLOHEXANE'''<br />
 
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==Overview==
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==HIGH PACKING DENSITY FORM OF BOVINE BETA-TRYPSIN IN CYCLOHEXANE==
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Two orthorhombic forms (Vm values are 2.3 and 3.0 A3/Da) of bovine, beta-trypsin crystals in neat cyclohexane were determined to 1.93 A, resolution, by X-ray diffraction. Both structures in organic solvent are, similar to those in aqueous solution. In the high packing density form, one cyclohexane molecule is found in a hydrophobic site near the active, center. One sulfate locates at the active site with hydrogen or salt bond, to the Ser-His catalytic diad, and five more sulfates bind on the, molecular surface. The conformation of the side chains near the sulfates, changed greatly. In the low packing density form, one cyclohexane and, three sulfates are found. In both structures, one benzamidine molecule, locates at the hydrophobic pocket of the active center. Most water, molecules on the enzyme surface are retained except some with high, temperature factors.
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<StructureSection load='1tio' size='340' side='right'caption='[[1tio]], [[Resolution|resolution]] 1.93&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1tio]] 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=1TIO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TIO 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]] 1.93&#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=BEN:BENZAMIDINE'>BEN</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CHX:CYCLOHEXANE'>CHX</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=1tio FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tio OCA], [https://pdbe.org/1tio PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1tio RCSB], [https://www.ebi.ac.uk/pdbsum/1tio PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1tio ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TRY1_BOVIN TRY1_BOVIN]
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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/ti/1tio_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=1tio 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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Two orthorhombic forms (Vm values are 2.3 and 3.0 A3/Da) of bovine beta-trypsin crystals in neat cyclohexane were determined to 1.93 A resolution, by X-ray diffraction. Both structures in organic solvent are similar to those in aqueous solution. In the high packing density form, one cyclohexane molecule is found in a hydrophobic site near the active center. One sulfate locates at the active site with hydrogen or salt bond to the Ser-His catalytic diad, and five more sulfates bind on the molecular surface. The conformation of the side chains near the sulfates changed greatly. In the low packing density form, one cyclohexane and three sulfates are found. In both structures, one benzamidine molecule locates at the hydrophobic pocket of the active center. Most water molecules on the enzyme surface are retained except some with high temperature factors.
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==About this Structure==
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X-ray studies on two forms of bovine beta-trypsin crystals in neat cyclohexane.,Zhu G, Huang Q, Wang Z, Qian M, Jia Y, Tang Y Biochim Biophys Acta. 1998 Dec 8;1429(1):142-50. PMID:9920392<ref>PMID:9920392</ref>
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1TIO is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus] with CA, SO4, BAM and CHX as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [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] Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1TIO OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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X-ray studies on two forms of bovine beta-trypsin crystals in neat cyclohexane., Zhu G, Huang Q, Wang Z, Qian M, Jia Y, Tang Y, Biochim Biophys Acta. 1998 Dec 8;1429(1):142-50. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9920392 9920392]
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</div>
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[[Category: Bos taurus]]
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<div class="pdbe-citations 1tio" style="background-color:#fffaf0;"></div>
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[[Category: Single protein]]
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[[Category: Trypsin]]
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[[Category: Huang, Q.]]
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[[Category: Tang, Q.]]
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[[Category: Wang, Z.]]
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[[Category: Zhu, G.]]
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[[Category: BAM]]
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[[Category: CA]]
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[[Category: CHX]]
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[[Category: SO4]]
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[[Category: benzamidine inhibited]]
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[[Category: serine protease]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 03:18:03 2007''
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==See Also==
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*[[Trypsin 3D structures|Trypsin 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Bos taurus]]
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[[Category: Large Structures]]
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[[Category: Huang Q]]
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[[Category: Tang Q]]
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[[Category: Wang Z]]
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[[Category: Zhu G]]

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HIGH PACKING DENSITY FORM OF BOVINE BETA-TRYPSIN IN CYCLOHEXANE

PDB ID 1tio

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