recombinant time saver neb31 dil_A 37 65 Heat CpG dam

ClaI has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10119493. Learn more.

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 restriction endonuclease that recognizes the sequence AT^CG_AT
Catalog # Concentration Size
R0197S 10,000 units/ml 1,000 units
R0197L 10,000 units/ml 5,000 units
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