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1hum

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[[Image:1hum.gif|left|200px]]
 
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{{Structure
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==SOLUTION STRUCTURE OF THE CHEMOKINE HMIP-1BETA(SLASH)ACT-2 BY MULTI-DIMENSIONAL NMR: A NOVEL CHEMOKINE DIMER==
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|PDB= 1hum |SIZE=350|CAPTION= <scene name='initialview01'>1hum</scene>
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<StructureSection load='1hum' size='340' side='right'caption='[[1hum]]' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[1hum]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HUM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HUM FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
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|GENE=
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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=1hum FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hum OCA], [https://pdbe.org/1hum PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hum RCSB], [https://www.ebi.ac.uk/pdbsum/1hum PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hum ProSAT]</span></td></tr>
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}}
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</table>
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== Function ==
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'''SOLUTION STRUCTURE OF THE CHEMOKINE HMIP-1BETA(SLASH)ACT-2 BY MULTI-DIMENSIONAL NMR: A NOVEL CHEMOKINE DIMER'''
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[https://www.uniprot.org/uniprot/CCL4_HUMAN CCL4_HUMAN] Monokine with inflammatory and chemokinetic properties. Binds to CCR5. One of the major HIV-suppressive factors produced by CD8+ T-cells. Recombinant MIP-1-beta induces a dose-dependent inhibition of different strains of HIV-1, HIV-2, and simian immunodeficiency virus (SIV). The processed form MIP-1-beta(3-69) retains the abilities to induce down-modulation of surface expression of the chemokine receptor CCR5 and to inhibit the CCR5-mediated entry of HIV-1 in T-cells. MIP-1-beta(3-69) is also a ligand for CCR1 and CCR2 isoform B.<ref>PMID:8525373</ref> <ref>PMID:10540332</ref> <ref>PMID:12070155</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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==Overview==
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Check<jmol>
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The three-dimensional structure of a member of the beta subfamily of chemokines, human macrophage inflammatory protein-1 beta (hMIP-1 beta), has been determined with the use of solution multidimensional heteronuclear magnetic resonance spectroscopy. Human MIP-1 beta is a symmetric homodimer with a relative molecular mass of approximately 16 kilodaltons. The structure of the hMIP-1 beta monomer is similar to that of the related alpha chemokine interleukin-8 (IL-8). However, the quaternary structures of the two proteins are entirely distinct, and the dimer interface is formed by a completely different set of residues. Whereas the IL-8 dimer is globular, the hMIP-1 beta dimer is elongated and cylindrical. This provides a rational explanation for the absence of cross-binding and reactivity between the alpha and beta chemokine subfamilies. Calculation of the solvation free energies of dimerization suggests that the formation and stabilization of the two different types of dimers arise from the burial of hydrophobic residues.
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hu/1hum_consurf.spt"</scriptWhenChecked>
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==About this Structure==
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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1HUM is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HUM OCA].
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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==Reference==
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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=1hum ConSurf].
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High-resolution solution structure of the beta chemokine hMIP-1 beta by multidimensional NMR., Lodi PJ, Garrett DS, Kuszewski J, Tsang ML, Weatherbee JA, Leonard WJ, Gronenborn AM, Clore GM, Science. 1994 Mar 25;263(5154):1762-7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8134838 8134838]
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Clore, G M.]]
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[[Category: Clore GM]]
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[[Category: Garrett, D S.]]
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[[Category: Garrett DS]]
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[[Category: Gronenborn, A M.]]
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[[Category: Gronenborn AM]]
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[[Category: Lodi, P J.]]
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[[Category: Lodi PJ]]
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[[Category: cytokine(chemotactic)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 11:41:45 2008''
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Current revision

SOLUTION STRUCTURE OF THE CHEMOKINE HMIP-1BETA(SLASH)ACT-2 BY MULTI-DIMENSIONAL NMR: A NOVEL CHEMOKINE DIMER

PDB ID 1hum

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