5ZD4

Crystal structure of MBP-fused BIL1/BZR1 in complex with double-stranded DNA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.17 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.218 

wwPDB Validation   3D Report Full Report



Literature

Structural basis for brassinosteroid response by BIL1/BZR1.

Nosaki, S.Miyakawa, T.Xu, Y.Nakamura, A.Hirabayashi, K.Asami, T.Nakano, T.Tanokura, M.

(2018) Nat Plants 4: 771-776

  • DOI: 10.1038/s41477-018-0255-1
  • Primary Citation of Related Structures:  
    5ZD4

  • PubMed Abstract: 
  • BRZ-INSENSITIVE-LONG HYPOCOTYL 1 (BIL1)/BRASSINAZOLE-RESISTANT 1 (BZR1) is a master transcription factor of brassinosteroid (BR) signalling. The varieties of nucleobase recognition of the NN-BRRE-core motif (NNCGTG), one of variant G-box motifs, dist ...

    BRZ-INSENSITIVE-LONG HYPOCOTYL 1 (BIL1)/BRASSINAZOLE-RESISTANT 1 (BZR1) is a master transcription factor of brassinosteroid (BR) signalling. The varieties of nucleobase recognition of the NN-BRRE-core motif (NNCGTG), one of variant G-box motifs, distinguish BIL1/BZR1 from basic helix-loop-helix transcription factors, underlying the specific regulation of BR-responsive genes. Here, we show the non-canonical bHLH dimer formation of BIL1/BZR1 to optimize the interaction network with DNA and the orientation of a key residue for NN-BRRE-core motif recognition.


    Organizational Affiliation

    Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan. amtanok@mail.ecc.u-tokyo.ac.jp.



Macromolecules

Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Maltose-binding periplasmic protein,Protein BRASSINAZOLE-RESISTANT 1ABCD453Escherichia coli O157:H7Arabidopsis thaliana
This entity is chimeric
Mutation(s): 8 
Gene Names: malEZ5632ECs5017
Find proteins for Q8S307 (Arabidopsis thaliana)
Explore Q8S307 
Go to UniProtKB:  Q8S307
Find proteins for P0AEY0 (Escherichia coli O157:H7)
Explore P0AEY0 
Go to UniProtKB:  P0AEY0
Protein Feature View
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  • Reference Sequence
  • Find similar nucleic acids by:  Sequence   |   Structure
  • Entity ID: 2
    MoleculeChainsLengthOrganismImage
    DNA (5'-D(*TP*TP*CP*AP*CP*AP*CP*GP*TP*GP*TP*GP*AP*AP*A)-3')E, F, G, H15synthetic construct
    Oligosaccharides

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    Entity ID: 3
    MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
    alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose
    I, J, K, L
    2 N/A Oligosaccharides Interaction
    Biologically Interesting Molecules (External Reference) 1 Unique
    Entity ID: 3
    IDChainsNameType/Class2D Diagram3D Interactions
    PRD_900001
    Query on PRD_900001
    I, J, K, Lalpha-maltoseOligosaccharide /  Nutrient

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    Experimental Data & Validation

    Experimental Data

    • Method: X-RAY DIFFRACTION
    • Resolution: 2.17 Å
    • R-Value Free: 0.244 
    • R-Value Work: 0.217 
    • R-Value Observed: 0.218 
    • Space Group: P 1 21 1
    Unit Cell:
    Length ( Å )Angle ( ˚ )
    a = 102.701α = 90
    b = 92.603β = 100.42
    c = 111.967γ = 90
    Software Package:
    Software NamePurpose
    PHENIXrefinement
    XDSdata reduction
    Aimlessdata scaling
    PHASERphasing

    Structure Validation

    View Full Validation Report



    Entry History 

    Deposition Data

    Revision History 

    • Version 1.0: 2018-08-29
      Type: Initial release
    • Version 1.1: 2018-10-24
      Changes: Data collection, Database references
    • Version 2.0: 2020-07-29
      Type: Remediation
      Reason: Carbohydrate remediation
      Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary