Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form
1R22
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Transcription Repressor
    Structure Weight: 27157.56
    Molecule: Transcriptional repressor smtB
    Polymer: 1 Type: protein Length: 122
    Chains: A, B
    Mutation: C14S, C61S, C121S
    Organism: Synechococcus elongatus PCC 7942
    Gene Names: smtB Synpcc7942_1291
    UniProtKB: Protein Feature View | Search PDB | P30340  
     
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    Identifier Details
    1R1T   The same protein in its apo-form (1.7 Ang) 
    1R1U   apo-CzrA 
    1R1V   Zn2CzrA 
    1R23   SmtB in the Zn1-form 
    1SMT   The same protein in its apo-form (2.2 Ang) 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    ZN
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    ZN Zn
    ZINC ION
     
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Data in orange boxes are gathered from external resources (when available).
  Biological Assembly       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Eicken, C.,  Pennella, M.A.,  Chen, X.,  Koshlap, K.M.,  VanZile, M.L.,  Sacchettini, J.C.,  Giedroc, D.P.

    Deposition:   2003-09-25
    Release:   2004-05-18
    Last Modified (REVDAT):   2009-02-24
     
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
    N/A
    Resolution[Å]:   2.30
    R-Value: 0.230 (obs.)
    R-Free: 0.290
    Space Group: P 21 21 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 64.45 α = 90.00 
    b = 124.68 β = 90.00 
    c = 25.91 γ = 90.00