1vg0

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|PDB= 1vg0 |SIZE=350|CAPTION= <scene name='initialview01'>1vg0</scene>, resolution 2.20&Aring;
|PDB= 1vg0 |SIZE=350|CAPTION= <scene name='initialview01'>1vg0</scene>, resolution 2.20&Aring;
|SITE=
|SITE=
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GER:GERAN-8-YL+GERAN'>GER</scene>, <scene name='pdbligand=GDP:GUANOSINE-5'-DIPHOSPHATE'>GDP</scene> and <scene name='pdbligand=PG4:TETRAETHYLENE GLYCOL'>PG4</scene>
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GER:GERAN-8-YL+GERAN'>GER</scene>, <scene name='pdbligand=GDP:GUANOSINE-5&#39;-DIPHOSPHATE'>GDP</scene> and <scene name='pdbligand=PG4:TETRAETHYLENE GLYCOL'>PG4</scene>
|ACTIVITY=
|ACTIVITY=
|GENE=
|GENE=
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[[Category: rab prenylation]]
[[Category: rab prenylation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:45:03 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 23 13:59:47 2008''

Revision as of 11:59, 23 March 2008

Image:1vg0.jpg


PDB ID 1vg0

Drag the structure with the mouse to rotate
, resolution 2.20Å
Ligands: , , , and
Coordinates: save as pdb, mmCIF, xml



The crystal structures of the REP-1 protein in complex with monoprenylated Rab7 protein


Overview

Members of the RabGDI/REP family serve as multifunctional regulators of the Rab family of GTP binding proteins. Mutations in members of this family, such as REP-1, lead to abnormalities, including progressive retinal degradation (choroideremia) in humans. The crystal structures of the REP-1 protein in complex with monoprenylated or C-terminally truncated Rab7 proteins revealed that Rab7 interacts with the Rab binding platform of REP-1 via an extended interface involving the Switch 1 and 2 regions. The C terminus of the REP-1 molecule functions as a mobile lid covering a conserved hydrophobic patch on the surface of REP-1 that in the complex coordinates the C terminus of Rab proteins. Using semisynthetic fluorescent Rab27A, we demonstrate that although Rab27A can be prenylated by REP-2, this reaction can be effectively inhibited by other Rab proteins, providing a possible explanation for the accumulation of unprenylated Rab27A in choroideremia.

About this Structure

1VG0 is a Protein complex structure of sequences from Rattus norvegicus. Full crystallographic information is available from OCA.

Reference

Structure of the Rab7:REP-1 complex: insights into the mechanism of Rab prenylation and choroideremia disease., Rak A, Pylypenko O, Niculae A, Pyatkov K, Goody RS, Alexandrov K, Cell. 2004 Jun 11;117(6):749-60. PMID:15186776

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