BstBI
cloned at NEB recombinant time saver neb31 dil_A 65 No CpG

BstBI has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10145777. 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 www.neb.com/BSA-free.


NEB restriction endonuclease that recognizes the sequence TT^CG_AA
  • Time-Saver™ qualified for digestion in 5-15 minutes
  • 100% activity in rCutSmart Buffer (over 210 enzymes are available in the same buffer) simplifying double digests
  • Restriction Enzyme Cut Site: TT/CGAA
Catalog # Concentration Size
R0519S 20,000 units/ml 2,500 units
R0519L 20,000 units/ml 12,500 units
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