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REFINED CRYSTAL STRUCTURE OF THE COMPLEX OF SUBTILISIN BPN' AND STREPTOMYCES SUBTILISIN INHIBITOR AT 1.8 ANGSTROMS RESOLUTION
Biology and Chemistry Report
2SIC
  •   Structure Details   Hide

    Structure Keywords

    Keywords COMPLEX (PROTEINASE/INHIBITOR)
    Text COMPLEX (PROTEINASE-INHIBITOR), COMPLEX (PROTEINASE-INHIBITOR) complex

    Polymeric Molecules

    Chain E
    Description SUBTILISIN BPN' 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 27552.7 
    Source Method genetically manipulated  
    Chain I
    Description STREPTOMYCES SUBTILISIN INHIBITOR (SSI) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 10940.4 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CA  CALCIUM ION  Ca   40.08  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    E SUBT_BACAM P00782     
    I SSI_STRAO P01006     

    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)
    3.4.21.62        
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain I
    GO ID   Ontology GO Term Definition
    10466   Negative Regulation of Peptidase Activity  Any Process That Stops or Reduces the Rate of Peptidase Activity the Hydrolysis of Peptide Bonds Within Proteins. 
    10951   Negative Regulation of Endopeptidase Activity  Any Process That Decreases the Frequency Rate or Extent of Endopeptidase Activity the Endohydrolysis of Peptide Bonds Within Proteins. 
    5576   Extracellular Region  The Space External to the Outermost Structure of a Cell. For Cells Without External Protective or External Encapsulating Structures This Refers to Space Outside of the Plasma Membrane. This Term Covers the Host Cell Environment Outside an Intracellular Parasite. 
    4867   Serine Type Endopeptidase Inhibitor Activity  Stops Prevents or Reduces the Activity of Serine Type Endopeptidases Enzymes That Catalyze the Hydrolysis of Nonterminal Peptide Bonds in a Polypeptide Chain; a Serine Residue (and a Histidine Residue) Are At the Active Center of the Enzyme. 
    30414   Peptidase Inhibitor Activity  Stops Prevents or Reduces the Activity of a Peptidase Any Enzyme That Catalyzes the Hydrolysis Peptide Bonds. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain E
    Scientific Name Bacillus amyloliquefaciens  
    Genus Bacillus