Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form
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: Search PDB | P30340   Protein Feature View
  •   Structure Validation Hide

    View the full validation report  


  • MolProbity Ramachandran Plot

  •   Related Citations in PDB Entry (REMARK 1) Hide
  •   Source Hide
  •   Related PDB Entries Hide
    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 Zn
  •   External Domain Annotations Hide
  •   Structural Biology Knowledgebase Data Hide
Data in orange boxes are gathered from external resources (when available).
  Biological Assembly       
Biological assembly 1 assigned by authors and generated by PISA (software)
Downloadable viewers:
  •   MyPDB Personal Annotations Hide
  •   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
  •   Revision History    Hide
    Mouse over text for details
    Version format compliance
  •   Experimental Details Hide
    Exp. Data:
    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