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Crystal structure of yellowtail ascites virus VP4 protease active site mutant (K674A) reveals both an acyl-enzyme complex and an empty active site
Biology and Chemistry Report
4IZK
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text VIRAL PROTEASE, BIRNAVIRUS, SERINE-LYSINE DYAD MECHANISM, ALPHA-BETA PROTEIN FOLD, LYSINE GENERAL BASE, ACYL-ENZYME, PRODUCT COMPLEX, HYDROLASE

    Polymeric Molecules

    Chain A
    Description Yellowtail Ascites Virus (YAV) VP4 protease 
    Mutation K674A 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 22269.5 
    Source Method genetically manipulated  
    Chain B
    Description Yellowtail Ascites Virus (YAV) VP4 protease 
    Mutation K674A 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 22253.5 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    BME  BETA-MERCAPTOETHANOL  C2 H6 O S   78.13  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A P89521_9VIRU P89521     
    B P89521_9VIRU P89521     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    3.4.21.115      
    3.4.21.115      
     
  •   Gene Details   Hide

    Genetic Source

    Chain B
    Scientific Name Yellowtail ascites virus  
    Strain Y-6
    Gene viral protein 4 (vp4)
    Host Scientific Name Escherichia coli  
    Host Strain Tuner (de3)
    Host Vector Type Plasmid
    Host Plasmid Name PET28B+


    Chain A
    Scientific Name Yellowtail ascites virus  
    Strain Y-6
    Gene viral protein 4 (vp4)
    Host Scientific Name Escherichia coli  
    Host Strain Tuner (de3)
    Host Vector Type Plasmid
    Host Plasmid Name PET28B+