1br0

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[[Image:1br0.gif|left|200px]]
 
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{{Structure
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==THREE DIMENSIONAL STRUCTURE OF THE N-TERMINAL DOMAIN OF SYNTAXIN 1A==
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|PDB= 1br0 |SIZE=350|CAPTION= <scene name='initialview01'>1br0</scene>
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<StructureSection load='1br0' size='340' side='right'caption='[[1br0]]' 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'>[[1br0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. The November 2013 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''SNARE Proteins'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2013_11 10.2210/rcsb_pdb/mom_2013_11]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BR0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BR0 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=1br0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1br0 OCA], [https://pdbe.org/1br0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1br0 RCSB], [https://www.ebi.ac.uk/pdbsum/1br0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1br0 ProSAT]</span></td></tr>
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}}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/STX1A_RAT STX1A_RAT] Potentially involved in docking of synaptic vesicles at presynaptic active zones. May play a critical role in neurotransmitter exocytosis. May mediate Ca(2+)-regulation of exocytosis acrosomal reaction in sperm.
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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/br/1br0_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=1br0 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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Syntaxin 1A plays a central role in neurotransmitter release through multiple protein-protein interactions. We have used NMR spectroscopy to identify an autonomously folded N-terminal domain in syntaxin 1A and to elucidate its three-dimensional structure. This 120-residue N-terminal domain is conserved in plasma membrane syntaxins but not in other syntaxins, indicating a specific role in exocytosis. The domain contains three long alpha helices that form an up-and-down bundle with a left-handed twist. A striking residue conservation is observed throughout a long groove that is likely to provide a specific surface for protein-protein interactions. A highly acidic region binds to the C2A domain of synaptotagmin I in a Ca2+-dependent interaction that may serve as an electrostatic switch in neurotransmitter release.
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'''THREE DIMENSIONAL STRUCTURE OF THE N-TERMINAL DOMAIN OF SYNTAXIN 1A'''
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Three-dimensional structure of an evolutionarily conserved N-terminal domain of syntaxin 1A.,Fernandez I, Ubach J, Dulubova I, Zhang X, Sudhof TC, Rizo J Cell. 1998 Sep 18;94(6):841-9. PMID:9753330<ref>PMID:9753330</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 1br0" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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Syntaxin 1A plays a central role in neurotransmitter release through multiple protein-protein interactions. We have used NMR spectroscopy to identify an autonomously folded N-terminal domain in syntaxin 1A and to elucidate its three-dimensional structure. This 120-residue N-terminal domain is conserved in plasma membrane syntaxins but not in other syntaxins, indicating a specific role in exocytosis. The domain contains three long alpha helices that form an up-and-down bundle with a left-handed twist. A striking residue conservation is observed throughout a long groove that is likely to provide a specific surface for protein-protein interactions. A highly acidic region binds to the C2A domain of synaptotagmin I in a Ca2+-dependent interaction that may serve as an electrostatic switch in neurotransmitter release.
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*[[Syntaxin 3D structures|Syntaxin 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1BR0 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BR0 OCA].
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__TOC__
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</StructureSection>
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==Reference==
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[[Category: Large Structures]]
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Three-dimensional structure of an evolutionarily conserved N-terminal domain of syntaxin 1A., Fernandez I, Ubach J, Dulubova I, Zhang X, Sudhof TC, Rizo J, Cell. 1998 Sep 18;94(6):841-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9753330 9753330]
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[[Category: RCSB PDB Molecule of the Month]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Single protein]]
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[[Category: SNARE Proteins]]
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[[Category: Dubulova, I.]]
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[[Category: Dubulova I]]
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[[Category: Fernandez, I.]]
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[[Category: Fernandez I]]
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[[Category: Rizo, J.]]
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[[Category: Rizo J]]
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[[Category: Sudhof, T C.]]
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[[Category: Sudhof TC]]
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[[Category: Ubach, J.]]
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[[Category: Ubach J]]
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[[Category: Zhang, X.]]
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[[Category: Zhang X]]
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[[Category: membrane fusion]]
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[[Category: nmr]]
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[[Category: synaptic vesicle exocytosis]]
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[[Category: syntaxin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 10:14:35 2008''
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Current revision

THREE DIMENSIONAL STRUCTURE OF THE N-TERMINAL DOMAIN OF SYNTAXIN 1A

PDB ID 1br0

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