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
To find out how to order this product from your current location, click the button below:
International Customer & Order Support
Please enter a quantity for at least one size
Loading Spinner