5t4x

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<StructureSection load='5t4x' size='340' side='right' caption='[[5t4x]], [[Resolution|resolution]] 1.81&Aring;' scene=''>
<StructureSection load='5t4x' size='340' side='right' caption='[[5t4x]], [[Resolution|resolution]] 1.81&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5t4x]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5T4X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5T4X FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5t4x]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5T4X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5T4X FirstGlance]. <br>
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</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=5t4x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5t4x OCA], [http://pdbe.org/5t4x PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5t4x RCSB], [http://www.ebi.ac.uk/pdbsum/5t4x PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5t4x ProSAT]</span></td></tr>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Pde6d ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 LK3 transgenic mice])</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=5t4x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5t4x OCA], [http://pdbe.org/5t4x PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5t4x RCSB], [http://www.ebi.ac.uk/pdbsum/5t4x PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5t4x ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/PDE6D_MOUSE PDE6D_MOUSE]] Promotes the release of prenylated target proteins from cellular membranes (PubMed:22179043). Modulates the activity of prenylated or palmitoylated Ras family members by regulating their subcellular location (PubMed:22179043). Required for normal ciliary targeting of farnesylated target proteins, such as INPP5E (By similarity). Modulates the subcellular location of target proteins by acting as a GTP specific dissociation inhibitor (GDI) (PubMed:22179043). Increases the affinity of ARL3 for GTP by several orders of magnitude. Stabilizes ARL3-GTP by decreasing the nucleotide dissociation rate.[UniProtKB:O43924][UniProtKB:Q95142]<ref>PMID:10518933</ref> <ref>PMID:15979089</ref> <ref>PMID:22179043</ref>
[[http://www.uniprot.org/uniprot/PDE6D_MOUSE PDE6D_MOUSE]] Promotes the release of prenylated target proteins from cellular membranes (PubMed:22179043). Modulates the activity of prenylated or palmitoylated Ras family members by regulating their subcellular location (PubMed:22179043). Required for normal ciliary targeting of farnesylated target proteins, such as INPP5E (By similarity). Modulates the subcellular location of target proteins by acting as a GTP specific dissociation inhibitor (GDI) (PubMed:22179043). Increases the affinity of ARL3 for GTP by several orders of magnitude. Stabilizes ARL3-GTP by decreasing the nucleotide dissociation rate.[UniProtKB:O43924][UniProtKB:Q95142]<ref>PMID:10518933</ref> <ref>PMID:15979089</ref> <ref>PMID:22179043</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Isoprenylated proteins are associated with membranes and their inter-compartmental distribution is regulated by solubilization factors, which incorporate lipid moieties in hydrophobic cavities and thereby facilitate free diffusion during trafficking. Here we report the crystal structure of a solubilization factor, the prenyl-binding protein (PrBP/delta), at 1.81 A resolution in its ligand-free apo-form. Apo-PrBP/delta harbors a preshaped, deep hydrophobic cavity, capacitating apo-PrBP/delta to readily bind its prenylated cargo. To investigate the molecular mechanism of cargo solubilization we analyzed the PrBP/delta-induced membrane dissociation of rod photoreceptor phosphodiesterase (PDE6). The results suggest that PrBP/delta exclusively interacts with the soluble fraction of PDE6. Depletion of soluble species in turn leads to dissociation of membrane-bound PDE6, as both are in equilibrium. This "solubilization by depletion" mechanism of PrBP/delta differs from the extraction of prenylated proteins by the similar folded solubilization factor RhoGDI, which interacts with membrane bound cargo via an N-terminal structural element lacking in PrBP/delta.
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Mechanistic insights into the role of prenyl-binding protein PrBP/delta in membrane dissociation of phosphodiesterase 6.,Qureshi BM, Schmidt A, Behrmann E, Burger J, Mielke T, Spahn CMT, Heck M, Scheerer P Nat Commun. 2018 Jan 8;9(1):90. doi: 10.1038/s41467-017-02569-y. PMID:29311697<ref>PMID:29311697</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 5t4x" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Lk3 transgenic mice]]
[[Category: Qureshi, B M]]
[[Category: Qureshi, B M]]
[[Category: Scheerer, P]]
[[Category: Scheerer, P]]

Revision as of 08:12, 17 January 2018

CRYSTAL STRUCTURE OF PDE6D IN APO-STATE

5t4x, resolution 1.81Å

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