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Crystal Structure of Fischerella Transcription Factor HetR complexed with 29mer DNA target
Biology and Chemistry Report
4J01
  •   Structure Details   Hide

    Structure Keywords

    Keywords Transcription/DNA
    Text Structural Genomics, PSI-Biology, Midwest Center for Structural Genomics, MCSG, helix-turn-helix, DNA-binding domain, transcription factor, Transcription-DNA complex

    Polymeric Molecules

    Chain A,B,E,F
    Description Transcription Factor HetR 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 35233.8 
    Source Method genetically manipulated  
    Chain C,D,G,H
    Description DNA (29-MER) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 8913.8 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    SO4  SULFATE ION  O4 S   96.06  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,E,F Q2ACK9_9CYAN Q2ACK9     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,E,F
    GO ID   Ontology GO Term Definition
    6508   Proteolysis  The Hydrolysis of Proteins Into Smaller Polypeptides And/or Amino Acids by Cleavage of Their Peptide Bonds. 
    43158   Heterocyst Differentiation  The Process in Which a Relatively Unspecialized Cell Acquires Specialized Features of a Heterocyst a Differentiated Cell in Certain Cyanobacteria Whose Purpose Is to Fix Nitrogen. 
    3677   DNA Binding  Any Molecular Function by Which a Gene Product Interacts Selectively and Non Covalently with DNA (deoxyribonucleic Acid). 
    4252   Serine Type Endopeptidase Activity  Catalysis of the Hydrolysis of Internal Alpha Peptide Bonds in a Polypeptide Chain by a Catalytic Mechanism That Involves a Catalytic Triad Consisting of a Serine Nucleophile That Is Activated by a Proton Relay Involving an Acidic Residue (e.g. Aspartate or Glutamate) and a Basic Residue (usually Histidine). 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,E,F
    Scientific Name Fischerella thermalis  
    Strain PCC 7521
    Gene hetr
    Host Scientific Name Escherichia coli  
    Host Strain Bl21 Magic
    Host Vector Type Plasmid
    Host Plasmid Name pMCSG19