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

We are excited to announce that all reaction buffers are now BSA-free. NEB began switching our BSA-containing reaction buffers in April 2021 to buffers containing Recombinant Albumin (rAlbumin) for restriction enzymes and some DNA modifying enzymes. Find more details at www.neb.com/BSA-free.

  • Catalyzes the relaxation of negatively-supercoiled DNA
  • Isolated from a recombinant source
  • Supplied with 10X Reaction Buffer
Catalog # Concentration Size List Price Your Price Quantity
M0301S 5,000 units/ml 100 units $81.00
M0301L 5,000 units/ml 500 units $329.00
Please enter a quantity for at least one size
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