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Crystal structure of the invertebrate bi-functional purine biosynthesis enzyme PAICS at 2.8 A resolution
Biology and Chemistry Report
4JA0
  •   Structure Details   Hide

    Structure Keywords

    Keywords PROTEIN BINDING
    Text SAICAR PurE, Purine biosynthesis, PROTEIN BINDING

    Polymeric Molecules

    Chain A,B,C,D
    Description Phosphoribosylaminoimidazole carboxylase 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 47407.9 
    Source Method natural source  
    Entity Name Uncharacterized protein 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    SO4  SULFATE ION  O4 S   96.06  View 
     
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    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D Q1HQ66_BOMMO Q1HQ66     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D
    GO ID   Ontology GO Term Definition
    6164   Purine Nucleotide Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of a Purine Nucleotide a Compound Consisting of Nucleoside (a Purine Base Linked to a Deoxyribose or Ribose Sugar) Esterified with a Phosphate Group At Either the 3' or 5' Hydroxyl Group of the Sugar. 
    6189   'de Novo' Imp Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Imp Inosine Monophosphate by the Stepwise Assembly of a Purine Ring On Ribose 5 Phosphate. 
    4639   Phosphoribosylaminoimidazolesuccinocarboxamide Synthase Activity  Catalysis of the Reaction: 5 Amino 1 (5 Phospho D Ribosyl)imidazole 4 Carboxylate + L Aspartate + ATP = (2s) 2 [5 Amino 1 (5 Phospho Beta D Ribosyl)imidazole 4 Carboxamido]succinate + Adp + 2 H(+) + Phosphate. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 


     
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    Natural Source

    Chain A,B,C,D
    Common Name Silk Moth Silkworm
    Scientific Name Bombyx mori