1hcf

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[[Image:1hcf.png|left|200px]]
 
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==Crystal structure of TrkB-d5 bound to neurotrophin-4/5==
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The line below this paragraph, containing "STRUCTURE_1hcf", creates the "Structure Box" on the page.
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<StructureSection load='1hcf' size='340' side='right'caption='[[1hcf]], [[Resolution|resolution]] 2.70&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'>[[1hcf]] is a 4 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=1HCF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HCF 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]] 2.7&#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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1hcf| PDB=1hcf | 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=1hcf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hcf OCA], [https://pdbe.org/1hcf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hcf RCSB], [https://www.ebi.ac.uk/pdbsum/1hcf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hcf ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/NTF4_HUMAN NTF4_HUMAN] Defects in NTF4 may be associated with susceptibility to primary open angle glaucoma type 1O (GLC1O) [MIM:[https://omim.org/entry/613100 613100]. A form of primary open angle glaucoma (POAG). POAG is characterized by a specific pattern of optic nerve and visual field defects. The angle of the anterior chamber of the eye is open, and usually the intraocular pressure is increased. The disease is asymptomatic until the late stages, by which time significant and irreversible optic nerve damage has already taken place.
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== Function ==
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[https://www.uniprot.org/uniprot/NTF4_HUMAN NTF4_HUMAN] Target-derived survival factor for peripheral sensory sympathetic neurons.
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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/1hcf_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1hcf 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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BACKGROUND: The binding of neurotrophin ligands to their respective Trk cellular receptors initiates intracellular signals essential for the growth and survival of neurons. The site of neurotrophin binding has been located to the fifth extracellular domain of the Trk receptor, with this region regulating both the affinity and specificity of Trk receptor:neurotrophin interaction. Neurotrophin function has been implicated in a number of neurological disorders, including Alzheimer's disease and Parkinson's disease. RESULTS: We have determined the 2.7 A crystal structure of neurotrophin-4/5 bound to the neurotrophin binding domain of its high-affinity receptor TrkB (TrkB-d5). As previously seen in the interaction of nerve growth factor with TrkA, neurotrophin-4/5 forms a crosslink between two spatially distant receptor molecules. The contacts formed in the TrkB-d5:neurotrophin-4/5 complex can be divided into a conserved area similar to a region observed in the TrkA-d5:NGF complex and a second site-unique in each ligand-receptor pair-formed primarily by the ordering of the neurotrophin N terminus. CONCLUSIONS: Together, the structures of the TrkB-d5:NT-4/5 and TrkA-d5:NGF complexes confirm a consistent pattern of recognition in Trk receptor:neurotrophin complex formation. In both cases, the N terminus of the neurotrophin becomes ordered only on complex formation. This ordering appears to be directed largely by the receptor surface, with the resulting complementary surfaces providing the main determinant of receptor specificity. These features provide an explanation both for the limited crossreactivity observed between the range of neurotrophins and Trk receptors and for the high-affinity binding associated with respective ligand-receptor pairs.
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===CRYSTAL STRUCTURE OF TRKB-D5 BOUND TO NEUROTROPHIN-4/5===
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Specificity in Trk receptor:neurotrophin interactions: the crystal structure of TrkB-d5 in complex with neurotrophin-4/5.,Banfield MJ, Naylor RL, Robertson AG, Allen SJ, Dawbarn D, Brady RL Structure. 2001 Dec;9(12):1191-9. PMID:11738045<ref>PMID:11738045</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 1hcf" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_11738045}}, adds the Publication Abstract to the page
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*[[Neurotrophin|Neurotrophin]]
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(as it appears on PubMed at http://www.pubmed.gov), where 11738045 is the PubMed ID number.
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*[[Neutrotrophin|Neutrotrophin]]
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*[[TrkB tyrosine kinase receptor|TrkB tyrosine kinase receptor]]
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{{ABSTRACT_PUBMED_11738045}}
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*[[Tyrosine kinase receptor 3D structures|Tyrosine kinase receptor 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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[[1hcf]] is a 4 chain structure with 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=1HCF OCA].
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__TOC__
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:11738045</ref><ref group="xtra">PMID:11263982</ref><ref group="xtra">PMID:10490030</ref><ref group="xtra">PMID:10388563</ref><ref group="xtra">PMID:10631974</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Allen, S J.]]
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[[Category: Large Structures]]
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[[Category: Banfield, M J.]]
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[[Category: Allen SJ]]
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[[Category: Brady, R L.]]
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[[Category: Banfield MJ]]
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[[Category: Dawbarn, D.]]
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[[Category: Brady RL]]
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[[Category: Naylor, R L.]]
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[[Category: Dawbarn D]]
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[[Category: Robertson, A G.S.]]
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[[Category: Naylor RL]]
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[[Category: Immunoglobulin domain]]
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[[Category: Robertson AGS]]
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[[Category: Neurotrophin-4/5]]
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[[Category: Ngf-beta superfamily]]
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[[Category: Transferase/hormone]]
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[[Category: Trkb receptor]]
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Current revision

Crystal structure of TrkB-d5 bound to neurotrophin-4/5

PDB ID 1hcf

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