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[[Image:1hdj.jpg|left|200px]]


{{Structure
==HUMAN HSP40 (HDJ-1), NMR==
|PDB= 1hdj |SIZE=350|CAPTION= <scene name='initialview01'>1hdj</scene>
<StructureSection load='1hdj' size='340' side='right'caption='[[1hdj]]' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND=  
<table><tr><td colspan='2'>[[1hdj]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HDJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HDJ 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=  
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hdj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hdj OCA], [https://pdbe.org/1hdj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hdj RCSB], [https://www.ebi.ac.uk/pdbsum/1hdj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hdj ProSAT]</span></td></tr>
|DOMAIN=
</table>
|RELATEDENTRY=
== Function ==
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1hdj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hdj OCA], [http://www.ebi.ac.uk/pdbsum/1hdj PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1hdj RCSB]</span>
[https://www.uniprot.org/uniprot/DNJB1_HUMAN DNJB1_HUMAN] Interacts with HSP70 and can stimulate its ATPase activity. Stimulates the association between HSC70 and HIP.
}}
== 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/hd/1hdj_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=1hdj ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The J-domain is a highly conserved domain found in all members of the DnaJ family of molecular chaperones. The three-dimensional structure of a recombinant, uniformly 15N-labeled 77-residue polypeptide containing the complete J-domain from human Hsp40 (HDJ-1) has been determined by nuclear magnetic resonance (NMR) spectroscopy in solution. On the basis of 876 upper distance constraints derived from nuclear Overhauser effects (NOE) and 173 dihedral angle constraints, a group of 20 conformers representing the solution structure of the HDJ-1 J-domain was computed with the program DIANA and energy-minimized with the program OPAL. The average of the pairwise root-mean-square deviations of the individual NMR conformers relative to the mean coordinates for the backbone atoms N, C2 and C' of residues 4 to 54 and 4 to to 66 is 0.88 and 0.99 A respectively. The molecular architecture includes four helices composed of residues 5 to 9, 15 to 28, 40 to 54 and 60 to 66. A turn composed of residues 10 to 14 links helices I and II, and a loop composed of residues 29 to 39 containing a highly conserved tripeptide HPD (residues 31 to 33) connects the antiparallel helices II and III. The tertiary fold formed by helix I-turn-helix II-loop-helix III forms a closed structural core; the less defined helix IV stands away from the core of the domain. The side-chains of the tripeptide HPD extend out from the core of the structure in the opposite direction from helix IV. The structure supports the hypothesis that the highly conserved tripeptide could play a key role in the interaction of Hsp40 with the molecular chaperone, Hsp70.


'''HUMAN HSP40 (HDJ-1), NMR'''
Nuclear magnetic resonance solution structure of the human Hsp40 (HDJ-1) J-domain.,Qian YQ, Patel D, Hartl FU, McColl DJ J Mol Biol. 1996 Jul 12;260(2):224-35. PMID:8764402<ref>PMID:8764402</ref>


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


==Overview==
==See Also==
The J-domain is a highly conserved domain found in all members of the DnaJ family of molecular chaperones. The three-dimensional structure of a recombinant, uniformly 15N-labeled 77-residue polypeptide containing the complete J-domain from human Hsp40 (HDJ-1) has been determined by nuclear magnetic resonance (NMR) spectroscopy in solution. On the basis of 876 upper distance constraints derived from nuclear Overhauser effects (NOE) and 173 dihedral angle constraints, a group of 20 conformers representing the solution structure of the HDJ-1 J-domain was computed with the program DIANA and energy-minimized with the program OPAL. The average of the pairwise root-mean-square deviations of the individual NMR conformers relative to the mean coordinates for the backbone atoms N, C2 and C' of residues 4 to 54 and 4 to to 66 is 0.88 and 0.99 A respectively. The molecular architecture includes four helices composed of residues 5 to 9, 15 to 28, 40 to 54 and 60 to 66. A turn composed of residues 10 to 14 links helices I and II, and a loop composed of residues 29 to 39 containing a highly conserved tripeptide HPD (residues 31 to 33) connects the antiparallel helices II and III. The tertiary fold formed by helix I-turn-helix II-loop-helix III forms a closed structural core; the less defined helix IV stands away from the core of the domain. The side-chains of the tripeptide HPD extend out from the core of the structure in the opposite direction from helix IV. The structure supports the hypothesis that the highly conserved tripeptide could play a key role in the interaction of Hsp40 with the molecular chaperone, Hsp70.
*[[Heat Shock Protein structures|Heat Shock Protein structures]]
 
== References ==
==About this Structure==
<references/>
1HDJ 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=1HDJ OCA].
__TOC__
 
</StructureSection>
==Reference==
Nuclear magnetic resonance solution structure of the human Hsp40 (HDJ-1) J-domain., Qian YQ, Patel D, Hartl FU, McColl DJ, J Mol Biol. 1996 Jul 12;260(2):224-35. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8764402 8764402]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Hartl, F U.]]
[[Category: Hartl F-U]]
[[Category: Mccoll, D J.]]
[[Category: Mccoll DJ]]
[[Category: Patel, D.]]
[[Category: Patel D]]
[[Category: Qian, Y Q.]]
[[Category: Qian YQ]]
[[Category: molecular chaperone]]
 
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