1y4o: Difference between revisions

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[[Image:1y4o.gif|left|200px]]


{{Structure
==Solution structure of a mouse cytoplasmic Roadblock/LC7 dynein light chain==
|PDB= 1y4o |SIZE=350|CAPTION= <scene name='initialview01'>1y4o</scene>
<StructureSection load='1y4o' size='340' side='right'caption='[[1y4o]]' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND=  
<table><tr><td colspan='2'>[[1y4o]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Y4O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Y4O FirstGlance]. <br>
|ACTIVITY=  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
|GENE= Dncl2a ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus])
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1y4o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1y4o OCA], [https://pdbe.org/1y4o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1y4o RCSB], [https://www.ebi.ac.uk/pdbsum/1y4o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1y4o ProSAT], [https://www.topsan.org/Proteins/CESG/1y4o TOPSAN]</span></td></tr>
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=pfam03259 Robl_LC7]</span>
</table>
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1y4o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1y4o OCA], [http://www.ebi.ac.uk/pdbsum/1y4o PDBsum], [http://www.fli-leibniz.de/cgi-bin/ImgLib.pl?CODE=1kfv JenaLib], [http://www.rcsb.org/pdb/explore.do?structureId=1y4o RCSB]</span>
== Function ==
}}
[https://www.uniprot.org/uniprot/DLRB1_MOUSE DLRB1_MOUSE] Acts as one of several non-catalytic accessory components of the cytoplasmic dynein 1 complex that are thought to be involved in linking dynein to cargos and to adapter proteins that regulate dynein function. Cytoplasmic dynein 1 acts as a motor for the intracellular retrograde motility of vesicles and organelles along microtubules.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/y4/1y4o_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1y4o ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Roadblock/LC7 is a member of a class of dynein light chains involved in regulating the function of the dynein complex. We have determined the three-dimensional structure of isoform 1 of the mouse Roadblock/LC7 cytoplasmic dynein light chain (robl1_mouse) by NMR spectroscopy. In contrast to a previously reported NMR structure of the human homolog with 96% sequence identity (PDB 1TGQ), which showed the protein as a monomer, our results indicate clearly that robl1 exists as a symmetric homodimer. The two beta3-strands pair with each other and form a continuous ten-stranded beta-sheet. The 25-residue alpha2-helix from one subunit packs antiparallel to that of the other subunit on the face of the beta-sheet. Zipper-like hydrophobic contacts between the two helices serve to stabilize the dimer. Through an NMR titration experiment, we localized the site on robl1_mouse that interacts with the 40 residue peptide spanning residues 243 through 282 of IC74-1_rat. These results provide physical evidence for a symmetrical interaction between dimeric robl1 and the two molecules of IC74-1 in the dynein complex.


'''Solution structure of a mouse cytoplasmic Roadblock/LC7 dynein light chain'''
Solution structure of isoform 1 of Roadblock/LC7, a light chain in the dynein complex.,Song J, Tyler RC, Lee MS, Tyler EM, Markley JL J Mol Biol. 2005 Dec 16;354(5):1043-51. Epub 2005 Nov 2. PMID:16289575<ref>PMID:16289575</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1y4o" style="background-color:#fffaf0;"></div>


==Overview==
==See Also==
Roadblock/LC7 is a member of a class of dynein light chains involved in regulating the function of the dynein complex. We have determined the three-dimensional structure of isoform 1 of the mouse Roadblock/LC7 cytoplasmic dynein light chain (robl1_mouse) by NMR spectroscopy. In contrast to a previously reported NMR structure of the human homolog with 96% sequence identity (PDB 1TGQ), which showed the protein as a monomer, our results indicate clearly that robl1 exists as a symmetric homodimer. The two beta3-strands pair with each other and form a continuous ten-stranded beta-sheet. The 25-residue alpha2-helix from one subunit packs antiparallel to that of the other subunit on the face of the beta-sheet. Zipper-like hydrophobic contacts between the two helices serve to stabilize the dimer. Through an NMR titration experiment, we localized the site on robl1_mouse that interacts with the 40 residue peptide spanning residues 243 through 282 of IC74-1_rat. These results provide physical evidence for a symmetrical interaction between dimeric robl1 and the two molecules of IC74-1 in the dynein complex.
*[[Dynein 3D structures|Dynein 3D structures]]
 
== References ==
==About this Structure==
<references/>
1Y4O is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Y4O OCA].
__TOC__
 
</StructureSection>
==Reference==
[[Category: Large Structures]]
Solution structure of isoform 1 of Roadblock/LC7, a light chain in the dynein complex., Song J, Tyler RC, Lee MS, Tyler EM, Markley JL, J Mol Biol. 2005 Dec 16;354(5):1043-51. Epub 2005 Nov 2. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16289575 16289575]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Single protein]]
[[Category: Lee MS]]
[[Category: CESG, Center for Eukaryotic Structural Genomics.]]
[[Category: Markley JL]]
[[Category: Lee, M S.]]
[[Category: Song J]]
[[Category: Markley, J L.]]
[[Category: Tyler EM]]
[[Category: Song, J.]]
[[Category: Tyler RC]]
[[Category: Tyler, E M.]]
[[Category: Tyler, R C.]]
[[Category: center for eukaryotic structural genomic]]
[[Category: cesg]]
[[Category: dynein light chain]]
[[Category: protein structure initiative]]
[[Category: psi]]
[[Category: structural genomic]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Mar 26 06:13:40 2008''

Latest revision as of 08:00, 15 May 2024

Solution structure of a mouse cytoplasmic Roadblock/LC7 dynein light chain

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