3AG7

An auxilin-like J-domain containing protein, JAC1 J-domain

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.172 
  • R-Value Observed: 0.175 

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This is version 1.1 of the entry. See complete history. 


Literature

Crystallographic and functional analyses of J-domain of JAC1 essential for chloroplast photorelocation movement in Arabidopsis thaliana

Takano, A., Suetsugu, N., Wada, M., Kohda, D.

(2010) Plant Cell Physiol 51: 1372-1376

  • DOI: 10.1093/pcp/pcq089
  • Primary Citation of Related Structures:  
    3AG7

  • PubMed Abstract: 

    • An auxilin-like J-domain-containing protein, JAC1, is necessary for chloroplast movement in Arabidopsis thaliana, to capture photosynthetic light efficiently under weak light conditions. Here, we performed crystallographic and functional analyses of the J-domain of JAC1 ...

    An auxilin-like J-domain-containing protein, JAC1, is necessary for chloroplast movement in Arabidopsis thaliana, to capture photosynthetic light efficiently under weak light conditions. Here, we performed crystallographic and functional analyses of the J-domain of JAC1. The crystal structure of the J-domain is quite similar to that of bovine auxilin, and possesses a similar positively charged surface, which probably forms the interface with the Hsp70 chaperone. The mutation of the highly conserved HPD motif of the JAC1 J-domain abrogated the chloroplast photorelocation response. These results suggest that the requirement of JAC1 in chloroplast photorelocation movement is attributable to the J-domain's cochaperone activity.

    Organizational Affiliation: 

    Division of Structural Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan.



Macromolecules
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(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Putative uncharacterized protein F9E10.5A106Arabidopsis thalianaMutation(s): 0 
Gene Names: At1g75100, F9E10.5, JAC1
UniProt
Find proteins for Q9C9Q4 (Arabidopsis thaliana)
Explore Q9C9Q4 
Go to UniProtKB:  Q9C9Q4
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.172 
  • R-Value Observed: 0.175 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 32.432α = 90
b = 39.477β = 90
c = 68.954γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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Entry History 

Deposition Data

  • Deposited Date: 2010-03-24 
  • Released Date: 2010-10-13 
    • Deposition Author(s): Takano, A.

Revision History  (Full details and data files)

  • Version 1.0: 2010-10-13
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance