1e0o

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[[Image:1e0o.gif|left|200px]]
[[Image:1e0o.gif|left|200px]]
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{{Structure
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<!--
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|PDB= 1e0o |SIZE=350|CAPTION= <scene name='initialview01'>1e0o</scene>, resolution 2.80&Aring;
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The line below this paragraph, containing "STRUCTURE_1e0o", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=IDS:O2-SULFO-GLUCURONIC+ACID'>IDS</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=SGN:N,O6-DISULFO-GLUCOSAMINE'>SGN</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY=
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|GENE=
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|DOMAIN=
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{{STRUCTURE_1e0o| PDB=1e0o | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1e0o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1e0o OCA], [http://www.ebi.ac.uk/pdbsum/1e0o PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1e0o RCSB]</span>
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}}
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'''CRYSTAL STRUCTURE OF A TERNARY FGF1-FGFR2-HEPARIN COMPLEX'''
'''CRYSTAL STRUCTURE OF A TERNARY FGF1-FGFR2-HEPARIN COMPLEX'''
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[[Category: Mulloy, B.]]
[[Category: Mulloy, B.]]
[[Category: Pellegrini, L.]]
[[Category: Pellegrini, L.]]
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[[Category: growth factor]]
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[[Category: Growth factor]]
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[[Category: heparin]]
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[[Category: Heparin]]
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[[Category: receptor tyrosine kinase]]
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[[Category: Receptor tyrosine kinase]]
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[[Category: signal transduction]]
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[[Category: Signal transduction]]
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[[Category: ternary complex]]
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[[Category: Ternary complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 14:30:47 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:52:34 2008''
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Revision as of 11:30, 2 May 2008

Image:1e0o.gif

Template:STRUCTURE 1e0o

CRYSTAL STRUCTURE OF A TERNARY FGF1-FGFR2-HEPARIN COMPLEX


Overview

Fibroblast growth factors (FGFs) are a large family of structurally related proteins with a wide range of physiological and pathological activities. Signal transduction requires association of FGF with its receptor tyrosine kinase (FGFR) and heparan sulphate proteoglycan in a specific complex on the cell surface. Direct involvement of the heparan sulphate glycosaminoglycan polysaccharide in the molecular association between FGF and its receptor is essential for biological activity. Although crystal structures of binary complexes of FGF-heparin and FGF-FGFR have been described, the molecular architecture of the FGF signalling complex has not been elucidated. Here we report the crystal structure of the FGFR2 ectodomain in a dimeric form that is induced by simultaneous binding to FGF1 and a heparin decasaccharide. The complex is assembled around a central heparin molecule linking two FGF1 ligands into a dimer that bridges between two receptor chains. The asymmetric heparin binding involves contacts with both FGF1 molecules but only one receptor chain. The structure of the FGF1-FGFR2-heparin ternary complex provides a structural basis for the essential role of heparan sulphate in FGF signalling.

About this Structure

1E0O is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structure of fibroblast growth factor receptor ectodomain bound to ligand and heparin., Pellegrini L, Burke DF, von Delft F, Mulloy B, Blundell TL, Nature. 2000 Oct 26;407(6807):1029-34. PMID:11069186 Page seeded by OCA on Fri May 2 14:30:47 2008

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