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3lju

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{{STRUCTURE_3lju| PDB=3lju | SCENE= }}
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==Crystal structure of full length centaurin alpha-1 bound with the head group of PIP3==
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===Crystal structure of full length centaurin alpha-1 bound with the head group of PIP3===
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<StructureSection load='3lju' size='340' side='right' caption='[[3lju]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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{{ABSTRACT_PUBMED_21057110}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3lju]] 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=3LJU OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3LJU 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=IP9:(2R)-3-{[(R)-{[(1S,2S,3R,4S,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}PROPANE-1,2-DIYL+DIOCTANOATE'>IP9</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ADAP1, CENTA1 ([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=3lju FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3lju OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3lju RCSB], [http://www.ebi.ac.uk/pdbsum/3lju 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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Phosphatidylinositol 3,4,5-triphosphate (PIP3) plays a key role in neuronal polarization and axon formation. PIP3-containing vesicles are transported to axon tips by the kinesin KIF13B via an adaptor protein, centaurin alpha1 (CENTA1). KIF13B interacts with CENTA1 through its forkhead-associated (FHA) domain. We solved the crystal structures of CENTA1 in ligand-free, KIF13B-FHA domain-bound, and PIP3 head group (IP4)-bound conformations, and the CENTA1/KIF13B-FHA/IP4 ternary complex. The first pleckstrin homology (PH) domain of CENTA1 specifically binds to PIP3, while the second binds to both PIP3 and phosphatidylinositol 3,4-biphosphate (PI(3,4)P(2)). The FHA domain of KIF13B interacts with the PH1 domain of one CENTA1 molecule and the ArfGAP domain of a second CENTA1 molecule in a threonine phosphorylation-independent fashion. We propose that full-length KIF13B and CENTA1 form heterotetramers that can bind four phosphoinositide molecules in the vesicle and transport it along the microtubule.
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==Function==
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Phosphorylation-independent dual-site binding of the FHA domain of KIF13 mediates phosphoinositide transport via centaurin {alpha}1.,Tong Y, Tempel W, Wang H, Yamada K, Shen L, Senisterra GA, Mackenzie F, Chishti AH, Park HW Proc Natl Acad Sci U S A. 2010 Nov 5. PMID:21057110<ref>PMID:21057110</ref>
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[[http://www.uniprot.org/uniprot/ADAP1_HUMAN ADAP1_HUMAN]] GTPase-activating protein for the ADP ribosylation factor family (Probable). Binds phosphatidylinositol 3,4,5-trisphosphate (PtdInsP3) and inositol 1,3,4,5-tetrakisphosphate (InsP4).<ref>PMID:10448098</ref> <ref>PMID:10333475</ref>
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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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[[3lju]] 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=3LJU 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:021057110</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: Arrowsmith, C H.]]
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[[Category: Arrowsmith, C H]]
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[[Category: Bochkarev, A.]]
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[[Category: Bochkarev, A]]
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[[Category: Bountra, C.]]
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[[Category: Bountra, C]]
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[[Category: Edwards, A M.]]
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[[Category: Edwards, A M]]
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[[Category: MacKenzie, F.]]
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[[Category: MacKenzie, F]]
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[[Category: Park, H.]]
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[[Category: Park, H]]
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[[Category: SGC, Structural Genomics Consortium.]]
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[[Category: Structural genomic]]
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[[Category: Shen, L.]]
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[[Category: Shen, L]]
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[[Category: Tempel, W.]]
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[[Category: Tempel, W]]
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[[Category: Tong, Y.]]
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[[Category: Tong, Y]]
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[[Category: Weigelt, J.]]
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[[Category: Weigelt, J]]
[[Category: Gap]]
[[Category: Gap]]
[[Category: Gtpase activation]]
[[Category: Gtpase activation]]
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[[Category: Phosphoprotein]]
[[Category: Phosphoprotein]]
[[Category: Sgc]]
[[Category: Sgc]]
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[[Category: Structural genomics consortium]]
 
[[Category: Zinc-finger]]
[[Category: Zinc-finger]]

Revision as of 16:03, 18 December 2014

Crystal structure of full length centaurin alpha-1 bound with the head group of PIP3

3lju, resolution 1.70Å

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