Cas9 Nuclease, S. pyogenes
neb31 cloned at NEB recombinant 37 65 Heat

EnGen™ Spy Cas9 NLS NEB #M0646 is also available now.

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

Catalog # Concentration Size
M0386S 1,000 nM 90 pmol
M0386T 20 µM 500 pmol
M0386M 20 µM 2,500 pmol
Please enter a quantity for at least one size
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