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Crystal structure of Topoisomerase V from Methanopyrus kandleri (61 kDa fragment)
Biology and Chemistry Report
2CSB
  •   Structure Details   Hide

    Structure Keywords

    Keywords ISOMERASE
    Text topoisomerase IB, topoisomerase V, helix-turn-helix, helix-hairpin-helix, HhH motif, three helix bundle, Methanopyrus kandleri, ISOMERASE

    Polymeric Molecules

    Chain A,B
    Description Topoisomerase V 
    Fragment N-term 61 kDa fragment 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 60331.9 
    Source Method genetically manipulated  
    Entity Name Top61 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B Q977W1_9EURY Q7LWW1     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    6281   DNA Repair  The Process of Restoring DNA After Damage. Genomes Are Subject to Damage by Chemical and Physical Agents in the Environment (e.g. Uv and Ionizing Radiations Chemical Mutagens Fungal and Bacterial Toxins Etc.) and by Free Radicals or Alkylating Agents Endogenously Generated in Metabolism. DNA Is Also Damaged Because of Errors During Its Replication. a Variety of Different DNA Repair Pathways Have Been Reported That Include Direct Reversal Base Excision Repair Nucleotide Excision Repair Photoreactivation Bypass Double Strand Break Repair Pathway and Mismatch Repair Pathway. 
    3677   DNA Binding  Any Molecular Function by Which a Gene Product Interacts Selectively and Non Covalently with DNA (deoxyribonucleic Acid). 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Scientific Name Methanopyrus kandleri  
    Genus Methanopyrus
    Host Scientific Name Escherichia coli bl21(de3)  
    Host Genus Escherichia
    Host Species Escherichia Coli
    Host Strain Bl21 (de3)
    Host Vector Type Plasmid
    Host Plasmid Name pET14b