Topoisomerase I (E. coli)
recombinant neb31 37 65 Heat

We are excited to announce that we are in the process of switching all reaction buffers to be BSA-free. Beginning April 2021, we will be gradually transitioning to buffers containing Recombinant Albumin (rAlbumin) for restriction enzymes and some DNA modifying enzymes. All information on the website has been updated to reflect this change. Find more details at www.neb.com/BSA-free.

  • Catalyzes the relaxation of negatively-supercoiled DNA
  • Recognition of mismatched DNA
  • Isolated from a recombinant source
  • Supplied with 10X Reaction Buffer
Catalog # Concentration Size
M0301S 5,000 units/ml 100 units
M0301L 5,000 units/ml 500 units
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