EnGen® Spy Cas9 Nickase
recombinant neb31 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.

  • Variant of Cas9 nuclease differing by a point mutation (D10A) in the RuvC nuclease domain
  • Capable of generating nicks, but not cleaving DNA
  • DNA double strand breaks can be generated, with reduced off-target cleavage, by targeting two sites with EnGen Cas9 Nickase in close proximity
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Catalog # Concentration Size
M0650S 1 µM 90 pmol
M0650T 20 µM 500 pmol
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