3hbw

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{{Seed}}
 
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[[Image:3hbw.jpg|left|200px]]
 
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==Crystal Structure of Human Fibroblast Growth Factor Homologous Factor 2A (FHF2A), also referred to as Fibroblast Growth Factor 13A (FGF13A)==
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The line below this paragraph, containing "STRUCTURE_3hbw", creates the "Structure Box" on the page.
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<StructureSection load='3hbw' size='340' side='right'caption='[[3hbw]], [[Resolution|resolution]] 1.90&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'>[[3hbw]] 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=3HBW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HBW 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]] 1.9&#8491;</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=3hbw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hbw OCA], [https://pdbe.org/3hbw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hbw RCSB], [https://www.ebi.ac.uk/pdbsum/3hbw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hbw ProSAT]</span></td></tr>
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{{STRUCTURE_3hbw| PDB=3hbw | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/FGF13_HUMAN FGF13_HUMAN] Microtubule-binding protein which directly binds tubulin and is involved in both polymerization and stabilization of microtubules. Through its action on microtubules, may participate to the refinement of axons by negatively regulating axonal and leading processes branching. Plays a crucial role in neuron polarization and migration in the cerebral cortex and the hippocampus.<ref>PMID:15282281</ref> May regulate voltage-gated sodium channels transport and function.<ref>PMID:15282281</ref> May also play a role in MAPK signaling.<ref>PMID:15282281</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/hb/3hbw_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=3hbw 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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Voltage-gated sodium channels (Nav) produce sodium currents that underlie the initiation and propagation of action potentials in nerve and muscle cells. Fibroblast growth factor homologous factors (FHFs) bind to the intracellular C-terminal region of the Nav alpha subunit to modulate fast inactivation of the channel. In this study we solved the crystal structure of a 149-residue-long fragment of human FHF2A which unveils the structural features of the homology core domain of all 10 human FHF isoforms. Through analysis of crystal packing contacts and site-directed mutagenesis experiments we identified a conserved surface on the FHF core domain that mediates channel binding in vitro and in vivo. Mutations at this channel binding surface impaired the ability of FHFs to co-localize with Navs at the axon initial segment of hippocampal neurons. The mutations also disabled FHF modulation of voltage-dependent fast inactivation of sodium channels in neuronal cells. Based on our data, we propose that FHFs constitute auxiliary subunits for Navs.
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===Crystal Structure of Human Fibroblast Growth Factor Homologous Factor 2A (FHF2A), also referred to as Fibroblast Growth Factor 13A (FGF13A)===
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Crystal structure of a fibroblast growth factor homologous factor (FHF) defines a conserved surface on FHFs for binding and modulation of voltage-gated sodium channels.,Goetz R, Dover K, Laezza F, Shtraizent N, Huang X, Tchetchik D, Eliseenkova AV, Xu CF, Neubert TA, Ornitz DM, Goldfarb M, Mohammadi M J Biol Chem. 2009 Jun 26;284(26):17883-96. Epub 2009 Apr 30. PMID:19406745<ref>PMID:19406745</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 3hbw" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_19406745}}, adds the Publication Abstract to the page
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*[[Fibroblast growth factor 3D structures|Fibroblast growth factor 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 19406745 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_19406745}}
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__TOC__
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</StructureSection>
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==About this Structure==
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3HBW is a 2 chains structure of 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=3HBW OCA].
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==Reference==
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<ref group="xtra">PMID:19406745</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Mohammadi, M.]]
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[[Category: Large Structures]]
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[[Category: Alternative splicing]]
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[[Category: Mohammadi M]]
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[[Category: Beta-trefoil fold]]
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[[Category: Growth factor]]
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[[Category: Hormone]]
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[[Category: Polymorphism]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed May 27 15:16:42 2009''
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Current revision

Crystal Structure of Human Fibroblast Growth Factor Homologous Factor 2A (FHF2A), also referred to as Fibroblast Growth Factor 13A (FGF13A)

PDB ID 3hbw

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