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A low-resolution three-gate structure of topoisomerase IV from Streptococcus pneumoniae in space group H32
Biology and Chemistry Report
4JUO
  •   Structure Details   Hide

    Structure Keywords

    Keywords ISOMERASE/DNA
    Text full-length ParE, ParC55, open N-gate, topoisomerase IIa, ATP binding, ISOMERASE-DNA complex

    Polymeric Molecules

    Chain A
    Description DNA topoisomerase 4 subunit A 
    Fragment ParC55 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 56456.1 
    Source Method genetically manipulated  
    Entity Name Topoisomerase IV subunit A 
    Chain C
    Description DNA topoisomerase 4 subunit B 
    Fragment ParE 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 74528.8 
    Source Method genetically manipulated  
    Chain E
    Description E-site DNA 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 3397.3 
    Source Method synthetic  
    Chain F
    Description E-site DNA 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 4544.0 
    Source Method synthetic  
    Chain G
    Description E-site DNA 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 3339.2 
    Source Method synthetic  
    Chain H
    Description E-site DNA 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 4602.1 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    LFX  (3S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid  C18 H20 F N3 O4   361.37  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A PARC_STRPN P72525     
    C PARE_STRPN P77956     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    5.99.1.3      
    5.99.1.3      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain C
    GO ID   Ontology GO Term Definition
    166   Nucleotide Binding  Interacting Selectively and Non Covalently with a Nucleotide Any Compound Consisting of a Nucleoside That Is Esterified with (ortho)phosphate or an Oligophosphate At Any Hydroxyl Group On the Ribose or Deoxyribose. 
    3677   DNA Binding  Any Molecular Function by Which a Gene Product Interacts Selectively and Non Covalently with DNA (deoxyribonucleic Acid). 
    3916   DNA Topoisomerase Activity  Catalysis of the Transient Cleavage and Passage of Individual DNA Strands or Double Helices Through One Another Resulting a Topological Transformation in Double Stranded Dna. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    16853   Isomerase Activity  Catalysis of the Geometric or Structural Changes Within One Molecule. Isomerase Is the Systematic Name For Any Enzyme of EC Class 5. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain C
    Scientific Name Streptococcus pneumoniae serotype 4  
    Strain ATCC BAA-334 / TIGR4
    Gene pare
    Host Scientific Name Escherichia coli  


    Chain A
    Scientific Name Streptococcus pneumoniae  
    Strain ATCC BAA-334 / TIGR4
    Gene parc, sp_0855
    Host Scientific Name Escherichia coli