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Crystal structure of ID2 HLH homodimer at 2.1A resolution
Biology and Chemistry Report
4AYA
  •   Structure Details   Hide

    Structure Keywords

    Keywords CELL CYCLE
    Text CELL CYCLE

    Polymeric Molecules

    Chain A,B
    Description DNA-BINDING PROTEIN INHIBITOR ID-2 
    Fragment HELIX-LOOP-HELIX DOMAIN, RESIDUES 1-82 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 10844.6 
    Source Method genetically manipulated  
    Entity Name CLASS D BASIC HELIX-LOOP-HELIX PROTEIN 26, CLASS B BASIC HELIX-LOOP-HELIX PROTEIN 26, BHLHB26, INHIBITOR OF DNA BINDING 2 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ACT  ACETATE ION  C2 H3 O2   59.04  View 
    POTASSIUM ION  K   39.10  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B ID2_HUMAN Q02363     

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    45892   Negative Regulation of Transcription DNA Templated  Any Process That Stops Prevents or Reduces the Frequency Rate or Extent of Cellular DNA Templated Transcription. 
    5634   Nucleus  A Membrane Bounded Organelle of Eukaryotic Cells in Which Chromosomes Are Housed and Replicated. in Most Cells the Nucleus Contains All of the Cell's Chromosomes Except the Organellar Chromosomes and Is the Site of RNA Synthesis and Processing. in Some Species or in Specialized Cell Types RNA Metabolism or DNA Replication May Be Absent. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    46983   Protein Dimerization Activity  The Formation of a Protein Dimer a Macromolecular Structure Consists of Two Noncovalently Associated Identical or Nonidentical Subunits. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Common Name Human
    Scientific Name Homo sapiens  
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name PDEST-565


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    2 2p25 3398     inhibitor of DNA binding 2, dominant negative helix-loop-helix protein ID2