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1hdj

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{{STRUCTURE_1hdj| PDB=1hdj | SCENE= }}
{{STRUCTURE_1hdj| PDB=1hdj | SCENE= }}
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'''HUMAN HSP40 (HDJ-1), NMR'''
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===HUMAN HSP40 (HDJ-1), NMR===
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==Overview==
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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.
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(as it appears on PubMed at http://www.pubmed.gov), where 8764402 is the PubMed ID number.
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{{ABSTRACT_PUBMED_8764402}}
==About this Structure==
==About this Structure==
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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].
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1HDJ is a [[Single protein]] structure of sequence from [http://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].
==Reference==
==Reference==
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[[Category: Qian, Y Q.]]
[[Category: Qian, Y Q.]]
[[Category: Molecular chaperone]]
[[Category: Molecular chaperone]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 08:02:07 2008''

Revision as of 05:02, 1 July 2008

Image:1hdj.png

Template:STRUCTURE 1hdj

HUMAN HSP40 (HDJ-1), NMR

Template:ABSTRACT PUBMED 8764402

About this Structure

1HDJ is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

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:8764402

Page seeded by OCA on Tue Jul 1 08:02:07 2008

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