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Crystal structure of Streptomyces caespitosus sermetstatin in complex with Bacillus licheniformis subtilisin
Biology and Chemistry Report
4HX2
  •   Structure Details   Hide

    Structure Keywords

    Keywords Hydrolase/Hydrolase Inhibitor
    Text Streptomyces subtilisin inhibitor fold, Subtilisin Carlsberg, Hydrolase-Hydrolase Inhibitor complex

    Polymeric Molecules

    Chain A,C
    Description KerA 
    Fragment Mature protease 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 27306.4 
    Source Method natural source  
    Entity Name Subtilisin 
    Chain B,D
    Description Neutral proteinase inhibitor ScNPI 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 11923.4 
    Source Method genetically manipulated  
    Entity Name Sermetstatin 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    1AX  (2R,2'R)-3,3'-oxydipropane-1,2-diol  C6 H14 O5   166.17  View 
    ACT  ACETATE ION  C2 H3 O2   59.04  View 
    CA  CALCIUM ION  Ca   40.08  View 
    CAC  CACODYLATE ION  C2 H6 As O2   136.99  View 
    CL  CHLORIDE ION  Cl   35.45  View 
    GOL  GLYCEROL  C3 H8 O3   92.09  View 
    IPA  ISOPROPYL ALCOHOL  C3 H8 O   60.10  View 
    POTASSIUM ION  K   39.10  View 
    PO4  PHOSPHATE ION  O4 P   94.97  View 
    ZN  ZINC ION  Zn   65.41  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,C Q9FDF2_BACLI Q9FDF2     
    B,D Q9FDS0_STRCS Q9FDS0     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A C  3.4.21.62      
     
  •   Gene Details   Hide

    Natural Source

    Chain A,C
    Scientific Name Bacillus licheniformis  

    Genetic Source

    Chain B,D
    Scientific Name Streptomyces caespitosus  
    Gene scnpi
    Host Scientific Name Escherichia coli  
    Host Strain Origami
    Host Vector Type Pet
    Host Plasmid Name pET32a