2qw9: Difference between revisions

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New page: left|200px<br /><applet load="2qw9" size="350" color="white" frame="true" align="right" spinBox="true" caption="2qw9, resolution 1.850Å" /> '''Crystal structure o...
 
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[[Image:2qw9.jpg|left|200px]]<br /><applet load="2qw9" size="350" color="white" frame="true" align="right" spinBox="true"
caption="2qw9, resolution 1.850&Aring;" />
'''Crystal structure of bovine hsc70 (1-394aa)in the apo state'''<br />


==Overview==
==Crystal structure of bovine hsc70 (1-394aa)in the apo state==
The many protein processing reactions of the ATP-hydrolyzing Hsp70s are, regulated by J cochaperones, which contain J domains that stimulate Hsp70, ATPase activity and accessory domains that present protein substrates to, Hsp70s. We report the structure of a J domain complexed with a J, responsive portion of a mammalian Hsp70. The J domain activates ATPase, activity by directing the linker that connects the Hsp70 nucleotide, binding domain (NBD) and substrate binding domain (SBD) toward a, hydrophobic patch on the NBD surface. Binding of the J domain to Hsp70, displaces the SBD from the NBD, which may allow the SBD flexibility to, capture diverse substrates. Unlike prokaryotic Hsp70, the SBD and NBD of, the mammalian chaperone interact in the ADP state. Thus, although both, nucleotides and J cochaperones modulate Hsp70 NBD:linker and NBD:SBD, interactions, the intrinsic persistence of those interactions differs in, different Hsp70s and this may optimize their activities for different, cellular roles.
<StructureSection load='2qw9' size='340' side='right'caption='[[2qw9]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2qw9]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QW9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QW9 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.85&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></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=2qw9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qw9 OCA], [https://pdbe.org/2qw9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qw9 RCSB], [https://www.ebi.ac.uk/pdbsum/2qw9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qw9 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/HSP7C_BOVIN HSP7C_BOVIN] Acts as a repressor of transcriptional activation. Inhibits the transcriptional coactivator activity of CITED1 on Smad-mediated transcription. Chaperone. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing. May have a scaffolding role in the spliceosome assembly as it contacts all other components of the core complex (By similarity).
== 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/qw/2qw9_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=2qw9 ConSurf].
<div style="clear:both"></div>


==About this Structure==
==See Also==
2QW9 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus] with <scene name='pdbligand=GOL:'>GOL</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QW9 OCA].
*[[Heat Shock Protein structures|Heat Shock Protein structures]]
 
__TOC__
==Reference==
</StructureSection>
Structural basis of J cochaperone binding and regulation of Hsp70., Jiang J, Maes EG, Taylor AB, Wang L, Hinck AP, Lafer EM, Sousa R, Mol Cell. 2007 Nov 9;28(3):422-33. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=17996706 17996706]
[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Hinck, A.P.]]
[[Category: Hinck AP]]
[[Category: Jiang, J.]]
[[Category: Jiang J]]
[[Category: Lafer, E.M.]]
[[Category: Lafer EM]]
[[Category: Maes, E.G.]]
[[Category: Maes EG]]
[[Category: Sousa, R.]]
[[Category: Sousa R]]
[[Category: Taylor, A.B.]]
[[Category: Taylor AB]]
[[Category: Wang, L.]]
[[Category: Wang L]]
[[Category: GOL]]
[[Category: atp-binding]]
[[Category: chaperone]]
[[Category: cytoplasm]]
[[Category: nucleotide-binding]]
[[Category: nucleus]]
[[Category: phosphorylation]]
[[Category: stress response]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jan 23 11:34:28 2008''

Latest revision as of 12:18, 21 February 2024

Crystal structure of bovine hsc70 (1-394aa)in the apo stateCrystal structure of bovine hsc70 (1-394aa)in the apo state

Structural highlights

2qw9 is a 2 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.85Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

HSP7C_BOVIN Acts as a repressor of transcriptional activation. Inhibits the transcriptional coactivator activity of CITED1 on Smad-mediated transcription. Chaperone. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing. May have a scaffolding role in the spliceosome assembly as it contacts all other components of the core complex (By similarity).

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

2qw9, resolution 1.85Å

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