Thanksgiving Shipping Schedule: Orders placed on Tuesday, November 22, 2022, will ship for delivery Wednesday, November 23, 2022. We will be closed on Thursday November 24, 2022, and Friday, November 25, 2022.

Orders placed on Wednesday November 23rd, will be shipped on Monday, November 28th.

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

This product replaces BsmBI (NEB #R0580). Learn about Ligase Fidelity and Push the Limits of Golden Gate Assembly (50+ fragments).

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

NEB Type IIS restriction endonuclease that recognizes the sequence CGTCTCN^NNNN and is optimized for Golden Gate Assembly
Catalog # Concentration Size List Price Your Price Quantity
R0739S 10,000 units/ml 200 units $76.00
R0739L 10,000 units/ml 1,000 units $311.00
Please enter a quantity for at least one size
Loading Spinner