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DIMERIZATION OF E. COLI DNA GYRASE B PROVIDES A STRUCTURAL MECHANISM FOR ACTIVATING THE ATPASE CATALYTIC CENTER
Biology and Chemistry Report
1EI1
  •   Structure Details   Hide

    Structure Keywords

    Keywords ISOMERASE
    Text ATPase domain, dimer, ISOMERASE

    Polymeric Molecules

    Chain A,B
    Description DNA GYRASE B 
    Fragment N-TERMINAL 43 KDA FRAGMENT 
    Mutation Y5S, Y405S 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 43083.9 
    Source Method genetically manipulated  
    Entity Name GYRB 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ANP  PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER  C10 H17 N6 O12 P3   506.20  View 
    GOL  GLYCEROL  C3 H8 O3   92.09  View 
    SO4  SULFATE ION  O4 S   96.06  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B GYRB_ECOLI O08438     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B  5.99.1.3      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    6265   DNA Topological Change  The Process in Which a Transformation Is Induced in the Topological Structure of a Double Stranded DNA Helix Resulting in a Change in Linking Number. 
    3677   DNA Binding  Any Molecular Function by Which a Gene Product Interacts Selectively and Non Covalently with DNA (deoxyribonucleic Acid). 
    3918   DNA topoisomerase type II (ATP-hydrolyzing) activity  Catalysis of a DNA Topological Transformation by Transiently Cleaving a Pair of Complementary DNA Strands to Form a Gate Through Which a Second Double Stranded DNA Segment Is Passed After Which the Severed Strands in the First DNA Segment Are Rejoined; Product Release Is Coupled to ATP Binding and Hydrolysis; Changes the Linking Number in Multiples of 2. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Scientific Name Escherichia coli  
    Genus Escherichia
    Host Scientific Name Escherichia coli  
    Host Genus Escherichia
    Host Plasmid Name PTTQ18 VECTOR(PAG111; PN43-Y5S)
    Description Pn43 Y5s (tac Promoter Beta Lactamase Gene Lac Iq Gene Pbr322 Background)