3q13

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{{STRUCTURE_3q13| PDB=3q13 | SCENE= }}
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==The Structure of the Ca2+-binding, Glycosylated F-spondin Domain of F-spondin, A C2-domain Variant from Extracellular Matrix==
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===The Structure of the Ca2+-binding, Glycosylated F-spondin Domain of F-spondin, A C2-domain Variant from Extracellular Matrix===
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<StructureSection load='3q13' size='340' side='right' caption='[[3q13]], [[Resolution|resolution]] 1.95&Aring;' scene=''>
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{{ABSTRACT_PUBMED_21569239}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3q13]] is a 1 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=3Q13 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3Q13 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Homo sapiens, KIAA0762, SPON1, VSGP ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<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=3q13 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3q13 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3q13 RCSB], [http://www.ebi.ac.uk/pdbsum/3q13 PDBsum]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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ABSTRACT: BACKGROUND: F-spondin is a multi-domain extracellular matrix (ECM) protein and a contact-repellent molecule that directs axon outgrowth and cell migration during development. The reelin_N domain and the F-spondin domain (FS domain) comprise a proteolytic fragment that interacts with the cell membrane and guides the projection of commissural axons to floor plate. The FS domain is found in F-spondins, mindins, M-spondin and amphiF-spondin. RESULTS: We present the crystal structure of human F-spondin FS domain at 1.95A resolution. The structure reveals a Ca2+-binding C2 domain variant with an 8-stranded antiparallel beta-sandwich fold. Though the primary sequences of the FS domains of F-spondin and mindin are less than 36% identical, their overall structures are very similar. The unique feature of F-spondin FS domain is the presence of three disulfide bonds associated with the N- and C-termini of the domain and a highly conserved N-linked glycosylation site. The integrin-binding motif found in mindin is not conserved in the F-spondin FS domain. CONCLUSION: The structure of the F-spondin FS domain completes the structural studies of the multiple-domain ECM molecule. The homology of its core structure to a common Ca2+- and lipid-binding C2 domain suggests that the F-spondin FS domain may be responsible for part of the membrane targeting of F-spondin in its regulation of axon development. The structural properties of the FS domain revealed in this study pave the way for further exploration into the functions of F-spondin.
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==Function==
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The structure of the Ca2+-binding, glycosylated F-spondin domain of F-spondin - A C2-domain variant in an extracellular matrix protein.,Tan K, Lawler J BMC Struct Biol. 2011 May 10;11:22. PMID:21569239<ref>PMID:21569239</ref>
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[[http://www.uniprot.org/uniprot/SPON1_HUMAN SPON1_HUMAN]] Cell adhesion protein that promotes the attachment of spinal cord and sensory neuron cells and the outgrowth of neurites in vitro. May contribute to the growth and guidance of axons in both the spinal cord and the PNS (By similarity). Major factor for vascular smooth muscle cell.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[3q13]] is a 1 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=3Q13 OCA].
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</div>
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:021569239</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Lawler, J.]]
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[[Category: Lawler, J]]
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[[Category: Tan, K.]]
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[[Category: Tan, K]]
[[Category: Axon guidance]]
[[Category: Axon guidance]]
[[Category: C2-domain derivative]]
[[Category: C2-domain derivative]]

Revision as of 10:39, 19 December 2014

The Structure of the Ca2+-binding, Glycosylated F-spondin Domain of F-spondin, A C2-domain Variant from Extracellular Matrix

3q13, resolution 1.95Å

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