3mn7: Difference between revisions

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<StructureSection load='3mn7' size='340' side='right'caption='[[3mn7]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='3mn7' size='340' side='right'caption='[[3mn7]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3mn7]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drome Drome]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3MN7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3MN7 FirstGlance]. <br>
<table><tr><td colspan='2'>[[3mn7]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3MN7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3MN7 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
</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&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2hf4|2hf4]], [[3mmv|3mmv]], [[3mn5|3mn5]], [[3mn6|3mn6]], [[3mn9|3mn9]]</div></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Act5C, CG4027 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=7227 DROME])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3mn7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3mn7 OCA], [https://pdbe.org/3mn7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3mn7 RCSB], [https://www.ebi.ac.uk/pdbsum/3mn7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3mn7 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3mn7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3mn7 OCA], [https://pdbe.org/3mn7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3mn7 RCSB], [https://www.ebi.ac.uk/pdbsum/3mn7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3mn7 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/ACT1_DROME ACT1_DROME]] Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells.  Multiple isoforms are involved in various cellular functions such as cytoskeleton structure, cell mobility, chromosome movement and muscle contraction.  
[https://www.uniprot.org/uniprot/ACT1_DROME ACT1_DROME] Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells.  Multiple isoforms are involved in various cellular functions such as cytoskeleton structure, cell mobility, chromosome movement and muscle contraction.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</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=3mn7 ConSurf].
</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=3mn7 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Three classes of proteins are known to nucleate new filaments: the Arp2/3 complex, formins, and the third group of proteins that contain ca. 25 amino acid long actin-binding Wiskott-Aldrich syndrome protein homology 2 domains, called the WH2 repeats. Crystal structures of the complexes between the actin-binding WH2 repeats of the Spire protein and actin were determined for the Spire single WH2 domain D, the double (SpirCD), triple (SpirBCD), quadruple (SpirABCD) domains, and an artificial Spire WH2 construct comprising three identical D repeats (SpirDDD). SpirCD represents the minimal functional core of Spire that can nucleate actin filaments. Packing in the crystals of the actin complexes with SpirCD, SpirBCD, SpirABCD, and SpirDDD shows the presence of two types of assemblies, "side-to-side" and "straight-longitudinal," which can serve as actin filament nuclei. The principal feature of these structures is their loose, open conformations, in which the sides of actins that normally constitute the inner interface core of a filament are flipped inside out. These Spire structures are distant from those seen in the filamentous nuclei of Arp2/3, formins, and in the F-actin filament.
Structures of actin-bound Wiskott-Aldrich syndrome protein homology 2 (WH2) domains of Spire and the implication for filament nucleation.,Ducka AM, Joel P, Popowicz GM, Trybus KM, Schleicher M, Noegel AA, Huber R, Holak TA, Sitar T Proc Natl Acad Sci U S A. 2010 Jun 29;107(26):11757-62. Epub 2010 Jun 10. PMID:20538977<ref>PMID:20538977</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3mn7" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Actin 3D structures|Actin 3D structures]]
*[[Actin 3D structures|Actin 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Drome]]
[[Category: Drosophila melanogaster]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Ducka, A M]]
[[Category: Ducka AM]]
[[Category: Holak, T A]]
[[Category: Holak TA]]
[[Category: Huber, R]]
[[Category: Huber R]]
[[Category: Popowicz, G M]]
[[Category: Popowicz GM]]
[[Category: Sitar, T]]
[[Category: Sitar T]]
[[Category: Actin complex]]
[[Category: Contractile protein-protein binding complex]]
[[Category: Spire]]
[[Category: Wh2 domain]]
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