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Crystal structure of human cardiac troponin C regulatory domain in complex with cadmium and deoxycholic acid
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text helix-loop-helix EF-hand motif, Metal ion coordination, calcium sensor, CONTRACTILE PROTEIN

    Polymeric Molecules

    Chain A,B,C,D
    Description Troponin C, slow skeletal and cardiac muscles 
    Fragment N-terminal domain (N-cTnC), UNP residues 1-89 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 10398.7 
    Source Method genetically manipulated  
    Entity Name TN-C 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CA  CALCIUM ION  Ca   40.08  View 
    CD  CADMIUM ION  Cd   112.41  View 
    DXC  (3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID  C24 H40 O4   392.57  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D TNNC1_HUMAN P63316     

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D
    GO ID   Ontology GO Term Definition
    5509   Calcium Ion Binding  Interacting Selectively and Non Covalently with Calcium Ions (ca2+). 

  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D
    Common Name Human
    Scientific Name Homo sapiens  
    Gene tnnc, tnnc1, tnnc1 (amino acids 1-89)
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name pET21a

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    3 3p21.1 7134     troponin C type 1 (slow) TNNC1