1hvc

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[[Image:1hvc.gif|left|200px]]<br /><applet load="1hvc" size="350" color="white" frame="true" align="right" spinBox="true"
 
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caption="1hvc, resolution 1.8&Aring;" />
 
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'''CRYSTAL STRUCTURE OF A TETHERED DIMER OF HIV-1 PROTEASE COMPLEXED WITH AN INHIBITOR'''<br />
 
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==Overview==
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==CRYSTAL STRUCTURE OF A TETHERED DIMER OF HIV-1 PROTEASE COMPLEXED WITH AN INHIBITOR==
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HIV-1 proteinase (HIV PR) is a dimeric enzyme composed of two identical polypeptide chains that associate with twofold symmetry. We have determined to 1.8 A the crystal structure of a covalently tethered dimer of HIV PR. The tethered dimer:inhibitor complex is identical in nearly every respect to the complex of the same inhibitor with the wild type dimeric molecule, except for the linker region. Our results suggest that the tethered dimer may be a useful surrogate enzyme for studying the effects of single site mutations on substrate and inhibitor binding as well as on enzyme asymmetry, and for simulating independent mutational drift of the two domains which has been proposed to have led to the evolution of modern day, single-chain aspartic proteinases.
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<StructureSection load='1hvc' size='340' side='right'caption='[[1hvc]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1hvc]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human_immunodeficiency_virus_1 Human immunodeficiency virus 1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HVC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HVC 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]] 1.8&#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=A79:N-{1-BENZYL-(2S,3S)-2,3-DIHYDROXY-4-[3-METHYL-2-(3-METHYL-3-PYRIDIN-2-YLMETHYL-UREIDO)-BUTYRYLAMINO]-5-PHENYL-PENTYL}-3-METHYL-2-(3-METHYL-3-PYRIDIN-2-YLMETHYL-UREIDO)-BUTYRAMIDE'>A79</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=1hvc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hvc OCA], [https://pdbe.org/1hvc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hvc RCSB], [https://www.ebi.ac.uk/pdbsum/1hvc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hvc ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q4VE97_9HIV1 Q4VE97_9HIV1]
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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/hv/1hvc_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=1hvc ConSurf].
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<div style="clear:both"></div>
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==About this Structure==
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==See Also==
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1HVC is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Human_immunodeficiency_virus_1 Human immunodeficiency virus 1] with <scene name='pdbligand=A79:'>A79</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HVC OCA].
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*[[Immunodeficiency virus protease 3D structures|Immunodeficiency virus protease 3D structures]]
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__TOC__
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==Reference==
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</StructureSection>
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Crystal structure of a tethered dimer of HIV-1 proteinase complexed with an inhibitor., Bhat TN, Baldwin ET, Liu B, Cheng YS, Erickson JW, Nat Struct Biol. 1994 Aug;1(8):552-6. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=7664084 7664084]
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[[Category: Human immunodeficiency virus 1]]
[[Category: Human immunodeficiency virus 1]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Baldwin, E T.]]
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[[Category: Baldwin ET]]
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[[Category: Bhat, T N.]]
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[[Category: Bhat TN]]
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[[Category: Erickson, J W.]]
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[[Category: Erickson JW]]
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[[Category: A79]]
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[[Category: hydrolase(acid protease)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 13:05:16 2008''
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Current revision

CRYSTAL STRUCTURE OF A TETHERED DIMER OF HIV-1 PROTEASE COMPLEXED WITH AN INHIBITOR

PDB ID 1hvc

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