High-Fidelity (HF®) restriction enzymes have the same specificity as native enzymes, but have been engineered for significantly reduced star activity and performance in a single buffer (CutSmart® Buffer). All HF-restriction enzymes come with Gel Loading Dye, Purple (6X). Enjoy the enhanced performance and added value of our engineered enzymes at the same price as the native enzyme:
- Engineered for improved performance
- 100% activity in CutSmart Buffer
- Time-Saver™ qualified for digestion in 5-15 minutes
- Reduced star activity
- Supplied with 1 vial of Gel Loading Dye, Purple (6X)
Reduce Star Activity with High-Fidelity Restriction Enzymes
Time-Saver Protocol for Restriction Enzyme Digests
NEB TV Episode 15
CutSmart Restriction Enzyme Buffer
Restriction Enzyme Digest Protocol: Cutting Close to DNA End
Restriction Enzyme Digestion Problem: DNA Smear on Agarose Gel
Why is My Restriction Enzyme Not Cutting DNA?
Restriction Enzyme Digest Problem: Too Many DNA Bands
Double Digestion with NEBcloner
High Fidelity (HF) Restriction Enzymes have 100% activity in CutSmart Buffer; single-buffer simplicity means more straightforward and streamlined sample processing. HF enzymes also exhibit dramatically reduced star activity. HF enzymes are all Time-Saver qualified and can therefore cut substrate DNA in 5-15 with the flexibility to digest overnight without degradation to DNA. Engineered with performance in mind, HF restriction enzymes are fully active under a broader range of conditions, minimizing off-target products, while offering flexibility in experimental design.
NEB extensively performs quality controls on all standard and high-fidelity (HF) restriction enzymes. Examples of nuclease contamination studies for some of our HF restriction enzymes are shown below.
Product SourceAn E. coli strain that carries the cloned and modified SbfI gene from Streptomycesspecies Bf-61 (S.K. Degtyarev).
The following reagents are supplied with this product:
Store at (°C) Concentration Gel Loading Dye, Purple (6X) 25 6 X CutSmart® Buffer -20 10 X
- Product Categories:
- Restriction Endonucleases: S,
- High-Fidelity (HF®) Restriction Endonucleases,
- Time-Saver™ Qualified Restriction Enzymes
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