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Structure and activity of AbiQ, a lactococcal anti-phage endoribonuclease belonging to the type-III toxin-antitoxin system
Biology and Chemistry Report
4GLK
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text Alpha Beta, endonuclease, RNA antiQ, HYDROLASE

    Polymeric Molecules

    Chain A
    Description AbiQ 
    Fragment UNP residues 13-183 
    Mutation S51L 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 20308.9 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    GOL  GLYCEROL  C3 H8 O3   92.09  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A Q9ZJ19_9LACT Q9ZJ19     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    3.1      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    8152   Metabolic Process  The Chemical Reactions and Pathways Including Anabolism and Catabolism by Which Living Organisms Transform Chemical Substances. Metabolic Processes Typically Transform Small Molecules But Also Include Macromolecular Processes Such As DNA Repair and Replication and Protein Synthesis and Degradation. 
    51607   Defense Response to Virus  Reactions Triggered in Response to the Presence of a Virus That Act to Protect the Cell or Organism. 
    90305   Nucleic Acid Phosphodiester Bond Hydrolysis  The Nucleic Acid Metabolic Process in Which the Phosphodiester Bonds Between Nucleotides Are Cleaved by Hydrolysis. 
    90502   RNA Phosphodiester Bond Hydrolysis Endonucleolytic  The Chemical Reactions and Pathways Involving the Hydrolysis of Internal 3' 5' Phosphodiester Bonds in One or Two Strands of Ribonucleotides. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    4518   Nuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids. 
    4519   Endonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids by Creating Internal Breaks. 
    4521   Endoribonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Ribonucleic Acid by Creating Internal Breaks. 
    16787   Hydrolase Activity  Catalysis of the Hydrolysis of Various Bonds E.g. C O C N C C Phosphoric Anhydride Bonds Etc. Hydrolase Is the Systematic Name For Any Enzyme of EC Class 3. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Lactococcus lactis  
    Gene abiq
    Host Scientific Name Escherichia coli  
    Host Strain K12
    Host Vector Type Plasmid
    Host Plasmid Name pDEST17


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    - - 1450204     AbiQ ABIQ