cloned at NEB recombinant engineered time saver neb31 dil_B 55 80 Heat CpG

This product replaces BsmBI (NEB #R0580).  Learn about Ligase Fidelity and Push the Limits of Golden Gate Assembly (35+ fragments).

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

NEB Type IIS restriction endonuclease that recognizes the sequence CGTCTCN^NNNN and is optimized for Golden Gate Assembly

Having supplied restriction enzymes to the research community for over 45 years, NEB has earned the reputation of being the leader in enzyme technologies. Working continuously to be worthy of that distinction, NEB strives to develop enzymes of the highest purity and unparalleled quality.

Catalog # Concentration Size
R0739S 10,000 units/ml 200 units
R0739L 10,000 units/ml 1,000 units
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