3hd7

<StructureSection load='3hd7' size='340' side='right' caption='[[3hd7]], [[Resolution|resolution]] 3.40&Aring;' scene=''>

<table><tr><td colspan='2'>[[3hd7]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Buffalo_rat Buffalo rat]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HD7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3HD7 FirstGlance]. <br>

</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GGG:GLYCYLGLYCYLGLYCINE'>GGG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>

<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3hd9|3hd9]]</td></tr>

<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Vamp2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Buffalo rat]), Stx1a ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Buffalo rat]), Snap25 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Buffalo rat])</td></tr>

<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3hd7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hd7 OCA], [http://pdbe.org/3hd7 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3hd7 RCSB], [http://www.ebi.ac.uk/pdbsum/3hd7 PDBsum]</span></td></tr>

[[http://www.uniprot.org/uniprot/SNP25_RAT SNP25_RAT]] t-SNARE involved in the molecular regulation of neurotransmitter release. May play an important role in the synaptic function of specific neuronal systems. Associates with proteins involved in vesicle docking and membrane fusion. Regulates plasma membrane recycling through its interaction with CENPF. [[http://www.uniprot.org/uniprot/VAMP2_RAT VAMP2_RAT]] Involved in the targeting and/or fusion of transport vesicles to their target membrane (By similarity). [[http://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.

<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hd/3hd7_consurf.spt"</scriptWhenChecked>

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== Publication Abstract from PubMed ==

Neurotransmission relies on synaptic vesicles fusing with the membrane of nerve cells to release their neurotransmitter content into the synaptic cleft, a process requiring the assembly of several members of the SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) family. SNAREs represent an evolutionarily conserved protein family that mediates membrane fusion in the secretory and endocytic pathways of eukaryotic cells. On membrane contact, these proteins assemble in trans between the membranes as a bundle of four alpha-helices, with the energy released during assembly being thought to drive fusion. However, it is unclear how the energy is transferred to the membranes and whether assembly is conformationally linked to fusion. Here, we report the X-ray structure of the neuronal SNARE complex, consisting of rat syntaxin 1A, SNAP-25 and synaptobrevin 2, with the carboxy-terminal linkers and transmembrane regions at 3.4 A resolution. The structure shows that assembly proceeds beyond the already known core SNARE complex, resulting in a continuous helical bundle that is further stabilized by side-chain interactions in the linker region. Our results suggest that the final phase of SNARE assembly is directly coupled to membrane merger.

Helical extension of the neuronal SNARE complex into the membrane.,Stein A, Weber G, Wahl MC, Jahn R Nature. 2009 Jul 23;460(7254):525-8. Epub 2009 Jul 1. PMID:19571812<ref>PMID:19571812</ref>

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== References ==

[[Category: Buffalo rat]]

[[Category: Jahn, R]]

[[Category: Stein, A]]

[[Category: Wahl, M C]]

[[Category: Weber, G]]

[[Category: Transport]]