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An Information Portal to 108263 Biological Macromolecular Structures

Structural basis for cytosolic double-stranded RNA surveillance by human OAS1
Biology and Chemistry Report
4IG8
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE/RNA
    Text Nucleotidyl transferase, Innate immune system Double-stranded dsRNA sensor RNA polymerase, Nucleotidyl transferase 2-5A synthetase, RNase L activator, Double-stranded RNA, Cytosol, TRANSFERASE-RNA complex

    Polymeric Molecules

    Chain A
    Description 2'-5'-oligoadenylate synthase 1 
    Fragment UNP residues 1-347 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 40135.6 
    Source Method genetically manipulated  
    Entity Name (2-5')oligo(A) synthase 1, 2-5A synthase 1, E18/E16, p46/p42 OAS 
    Chain B
    Description RNA (5'-R(*GP*GP*CP*UP*UP*UP*UP*GP*AP*CP*CP*UP*UP*UP*AP*UP*GP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polyribonucleotide 
    Formula Weight 5664.4 
    Source Method synthetic  
    Chain C
    Description RNA (5'-R(*GP*CP*AP*UP*AP*AP*AP*GP*GP*UP*CP*AP*AP*AP*AP*GP*CP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polyribonucleotide 
    Formula Weight 5802.6 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    DTP  2'-DEOXYADENOSINE 5'-TRIPHOSPHATE  C10 H16 N5 O12 P3   491.18  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A OAS1_HUMAN A8K4N8     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    2.7.7.84      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    6955   Immune Response  Any Immune System Process That Functions in the Calibrated Response of an Organism to a Potential Internal or Invasive Threat. 
    51607   Defense Response to Virus  Reactions Triggered in Response to the Presence of a Virus That Act to Protect the Cell or Organism. 
    3723   RNA Binding  Interacting Selectively and Non Covalently with an RNA Molecule or a Portion Thereof. 
    3725   Double Stranded RNA Binding  Interacting Selectively and Non Covalently with Double Stranded Rna. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    16740   Transferase Activity  Catalysis of the Transfer of a Group E.g. a Methyl Group Glycosyl Group Acyl Group Phosphorus Containing or Other Groups From One Compound (generally Regarded As the Donor) to Another Compound (generally Regarded As the Acceptor). Transferase Is the Systematic Name For Any Enzyme of EC Class 2. 
    16779   Nucleotidyltransferase Activity  Catalysis of the Transfer of a Nucleotidyl Group to a Reactant. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Gene oas1, oias
    Host Scientific Name Escherichia coli  


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    12 12q24.2 4938     2'-5'-oligoadenylate synthetase 1, 40/46kDa OAS1