Product Datasheet  
Topoisomerase I Antibody  
Catalog Number: 48978  
Technical:tech@swbio.com  
Information:info@swbio.com  
Description  
  • host_species：  
  • Rabbit
  • Amount：  
  • 100μgμg
  • Swiss-Prot No.：  
  • Swiss-Prot#:P11387
  • Form of Antibody：  
  • 1*TBS (pH7.4), 1%BSA, 40%Glycerol. Preservative: 0.05% Sodium Azide.
  • Storage：  
  • Store at -20˚C
  • Immunogen：  
  • recombinant protein
  • reactivity：  
  • Hu, Ms
  • appl_detail：  
  • WB: 1:1,000-5,000
    IHC: 1:50-1:200
    ICC: 1:50-1:500

    FC: 1:50-1:100
  • other_names：  
  • DNA topoisomerase 1 antibody
    DNA topoisomerase I antibody
    NUP98 fusion gene antibody
    TOP 1 antibody
    TOP I antibody
    TOP1 antibody
    TOP1_HUMAN antibody
    TOPI antibody
    Topoisomerase (DNA) I antibody
    Topoisomerase 1
  • Purification：  
  • ProA affinity purified
  • Specificity：  
  • Applications：  
  • WB, ICC/IF, IHC, FC
  • Background：  
  • DNA topoisomerases play essential roles in many DNA metabolic processes including DNA repair. Topoisomerases can introduce DNA damage upon exposure to drugs that stabilize the covalent protein-DNA intermediate of the topoisomerase reaction. Lesions in DNA are also able to trap topoisomerase-DNA intermediates. DNA topoisomerase I (Top1) catalyzes the relaxation of supercoiled DNA by a mechanism of transient DNA strand cleavage characterized by the formation of a phosphotyrosyl bond between the DNA end and active site tyrosine. The antitumor agent camptothecin (CPT) reversibly stabilizes the covalent enzyme-DNA intermediate by inhibiting DNA religation. When a replication fork collides with a DNA Top1 cleavage complex, the covalently bound enzyme must be removed from the DNA 3' end before recombination-dependent replication restart. The tyrosyl-DNA phosphodiesterase Tdp1 and the structure-specific endonuclease Rad1-Rad10 function as primary alternative pathways of Top1 repair in Saccharomyces cerevisiae. In the budding yeast S. cerevisiae, DNA topoisomerases I and II can functionally substitute for each other in removing positive and negative DNA supercoils.



 
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