neb31 cloned at NEB recombinant engineered time saver dil_B 37 80 Heat CpG reduced star activity

BsiWI-HF has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10124088. Learn more.

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 high fidelity restriction endonuclease that recognizes the sequence C^GTACG

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 enzyme of the highest purity and unparalleled quality. 

  • Time-Saver™ qualified for digestion in 5-15 minutes
  • 100% activity in rCutSmart Buffer (over 210 enzymes are available in the same buffer) allowing for easier double digests
  • Restriction Enzyme Cut Site: C/GTACG
Catalog # Concentration Size List Price Your Price Quantity
R3553S 20,000 units/ml 300 units $78.00
R3553L 20,000 units/ml 1,500 units $323.00
Please enter a quantity for at least one size
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