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Crystal structure of Staphylococcal nuclease variant L25K at cryogenic temperature
Biology and Chemistry Report
3ERQ
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text Staphylococcal nuclease, hyperstable variant, hydrolase, pdtp, Endonuclease, Membrane, Metal-binding, Nuclease, Secreted, Zymogen

    Polymeric Molecules

    Chain A
    Description Thermonuclease 
    Mutation L25K/G50F/V51N/P117G/H124L/S128A/Del44-49 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 16159.6 
    Source Method genetically manipulated  
    Entity Name TNase, Micrococcal nuclease, Staphylococcal nuclease, Nuclease B, Nuclease A 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CA  CALCIUM ION  Ca   40.08  View 
    THP  THYMIDINE-3',5'-DIPHOSPHATE  C10 H16 N2 O11 P2   402.19  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A NUC_STAAU P00644     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc Catalytic Site(s)
    3.1.31.1        
     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Staphylococcus aureus  
    Gene nuc
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name pET24a+