3hcm

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{{Seed}}
 
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[[Image:3hcm.png|left|200px]]
 
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==Crystal structure of human S100B in complex with S45==
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The line below this paragraph, containing "STRUCTURE_3hcm", creates the "Structure Box" on the page.
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<StructureSection load='3hcm' size='340' side='right'caption='[[3hcm]], [[Resolution|resolution]] 2.00&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'>[[3hcm]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HCM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HCM 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&#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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=S45:(3R)-3-[3-(4-CHLOROPHENYL)-1,2,4-OXADIAZOL-5-YL]PIPERIDINE'>S45</scene></td></tr>
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{{STRUCTURE_3hcm| PDB=3hcm | 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=3hcm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hcm OCA], [https://pdbe.org/3hcm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hcm RCSB], [https://www.ebi.ac.uk/pdbsum/3hcm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hcm ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/S100B_HUMAN S100B_HUMAN] Weakly binds calcium but binds zinc very tightly-distinct binding sites with different affinities exist for both ions on each monomer. Physiological concentrations of potassium ion antagonize the binding of both divalent cations, especially affecting high-affinity calcium-binding sites. Binds to and initiates the activation of STK38 by releasing autoinhibitory intramolecular interactions within the kinase. Interaction with AGER after myocardial infarction may play a role in myocyte apoptosis by activating ERK1/2 and p53/TP53 signaling (By similarity). Could assist ATAD3A cytoplasmic processing, preventing aggregation and favoring mitochondrial localization.<ref>PMID:20351179</ref>
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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/hc/3hcm_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=3hcm 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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S100B contributes to cell proliferation by binding the C terminus of p53 and inhibiting its tumor suppressor function. The use of multiple computational approaches to screen fragment libraries targeting the human S100B-p53 interaction site is reported. This in silico screening led to the identification of 280 novel prospective ligands. NMR spectroscopic experiments revealed specific binding at the p53 interaction site for a set of these compounds and confirmed their potential for further rational optimization. The X-ray crystal structure determined for one of the binders revealed key intermolecular interactions, thus paving the way for structure-based ligand optimization.
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===Crystal structure of human S100B in complex with S45===
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Fragmenting the S100B-p53 Interaction: Combined Virtual/Biophysical Screening Approaches to Identify Ligands.,Agamennone M, Cesari L, Lalli D, Turlizzi E, Del Conte R, Turano P, Mangani S, Padova A ChemMedChem. 2010 Jan 13. PMID:20077460<ref>PMID:20077460</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 3hcm" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_20077460}}, adds the Publication Abstract to the page
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*[[S100 proteins 3D structures|S100 proteins 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 20077460 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_20077460}}
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__TOC__
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</StructureSection>
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==About this Structure==
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3HCM is a 2 chains structure with sequences 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=3HCM OCA].
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==Reference==
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<ref group="xtra">PMID:20077460</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Cesari, L.]]
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[[Category: Large Structures]]
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[[Category: Mangani, S.]]
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[[Category: Cesari L]]
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[[Category: Calcium]]
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[[Category: Mangani S]]
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[[Category: Calcium binding protein]]
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[[Category: Cytoplasm]]
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[[Category: Inhibitor]]
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[[Category: Metal binding protein]]
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[[Category: Metal-binding]]
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[[Category: Nucleus]]
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[[Category: S100b]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Mar 3 13:10:20 2010''
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Current revision

Crystal structure of human S100B in complex with S45

PDB ID 3hcm

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