2efl: Difference between revisions

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[[Image:2efl.png|left|200px]]


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==Crystal structure of the EFC domain of formin-binding protein 17==
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<StructureSection load='2efl' size='340' side='right'caption='[[2efl]], [[Resolution|resolution]] 2.61&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2efl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EFL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2EFL FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.61&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
{{STRUCTURE_2efl| PDB=2efl |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2efl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2efl OCA], [https://pdbe.org/2efl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2efl RCSB], [https://www.ebi.ac.uk/pdbsum/2efl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2efl ProSAT], [https://www.topsan.org/Proteins/RSGI/2efl TOPSAN]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/FNBP1_HUMAN FNBP1_HUMAN] Note=A chromosomal aberration involving FNBP1 is found in acute leukemias. Translocation t(9;11)(q34;q23) with MLL. The relatively low incidence of the MLL-FNBP1 fusion protein in acute leukemia may reflect the marginal capacity of this fusion protein to induce cellular transformation.
== Function ==
[https://www.uniprot.org/uniprot/FNBP1_HUMAN FNBP1_HUMAN] May act as a link between RND2 signaling and regulation of the actin cytoskeleton (By similarity). Required to coordinate membrane tubulation with reorganization of the actin cytoskeleton during the late stage of clathrin-mediated endocytosis. Binds to lipids such as phosphatidylinositol 4,5-bisphosphate and phosphatidylserine and promotes membrane invagination and the formation of tubules. Also enhances actin polymerization via the recruitment of WASL/N-WASP, which in turn activates the Arp2/3 complex. Actin polymerization may promote the fission of membrane tubules to form endocytic vesicles. May be required for the lysosomal retention of FASLG/FASL.<ref>PMID:15252009</ref> <ref>PMID:16326391</ref> <ref>PMID:16318909</ref> <ref>PMID:16418535</ref> <ref>PMID:17512409</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2efl ConSurf].
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== Publication Abstract from PubMed ==
Pombe Cdc15 homology (PCH) proteins play an important role in a variety of actin-based processes, including clathrin-mediated endocytosis (CME). The defining feature of the PCH proteins is an evolutionarily conserved EFC/F-BAR domain for membrane association and tubulation. In the present study, we solved the crystal structures of the EFC domains of human FBP17 and CIP4. The structures revealed a gently curved helical-bundle dimer of approximately 220 A in length, which forms filaments through end-to-end interactions in the crystals. The curved EFC dimer fits a tubular membrane with an approximately 600 A diameter. We subsequently proposed a model in which the curved EFC filament drives tubulation. In fact, striation of tubular membranes was observed by phase-contrast cryo-transmission electron microscopy, and mutations that impaired filament formation also impaired membrane tubulation and cell membrane invagination. Furthermore, FBP17 is recruited to clathrin-coated pits in the late stage of CME, indicating its physiological role.


===Crystal structure of the EFC domain of formin-binding protein 17===
Curved EFC/F-BAR-domain dimers are joined end to end into a filament for membrane invagination in endocytosis.,Shimada A, Niwa H, Tsujita K, Suetsugu S, Nitta K, Hanawa-Suetsugu K, Akasaka R, Nishino Y, Toyama M, Chen L, Liu ZJ, Wang BC, Yamamoto M, Terada T, Miyazawa A, Tanaka A, Sugano S, Shirouzu M, Nagayama K, Takenawa T, Yokoyama S Cell. 2007 May 18;129(4):761-72. PMID:17512409<ref>PMID:17512409</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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(as it appears on PubMed at http://www.pubmed.gov), where 17512409 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_17512409}}
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</StructureSection>
==About this Structure==
2EFL is a [[Single protein]] structure of 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=2EFL OCA].
 
==Reference==
Curved EFC/F-BAR-domain dimers are joined end to end into a filament for membrane invagination in endocytosis., Shimada A, Niwa H, Tsujita K, Suetsugu S, Nitta K, Hanawa-Suetsugu K, Akasaka R, Nishino Y, Toyama M, Chen L, Liu ZJ, Wang BC, Yamamoto M, Terada T, Miyazawa A, Tanaka A, Sugano S, Shirouzu M, Nagayama K, Takenawa T, Yokoyama S, Cell. 2007 May 18;129(4):761-72. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17512409 17512409]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Niwa, H.]]
[[Category: Niwa H]]
[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
[[Category: Shimada A]]
[[Category: Shimada, A.]]
[[Category: Shirouzu M]]
[[Category: Shirouzu, M.]]
[[Category: Terada T]]
[[Category: Terada, T.]]
[[Category: Yokoyama S]]
[[Category: Yokoyama, S.]]
[[Category: Efc domain]]
[[Category: National project on protein structural and functional analyse]]
[[Category: Nppsfa]]
[[Category: Riken structural genomics/proteomics initiative]]
[[Category: Rsgi]]
[[Category: Structural genomic]]
 
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