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Cfr10I (BsrFI)

5'...R↓C C G G Y...3'
3'...Y G G C C↑R...5'
Available as a FastDigest enzyme for rapid DNA digestion

FastDigest enzyme available Unique buffer for 100% activity Optimal incubation at 37°C Star activity Cleavage blocked or impaired by CpG methylation Not inactivated at 80°C in 20 min Genome qualified Recombinant enzyme LO certified

The Cfr10I (BsrFI) restriction enzyme recognizes R^CCGGY sites and cuts best at 37°C in its own unique buffer (Isoschizomers: Bse118I, BsrFI, BssAIm)
  
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Lambda DNA digested with Cfr10I (BsrFI)

Lambda DNA digested with Cfr10I (BsrFI), 1% agarose, 61 cleavage sites

Thermo Scientific conventional restriction endonucleases are a large collection of high quality restriction enzymes, optimized to work in one of the buffers of the Five Buffer System. In addition, the universal Tango buffer is provided for convenience in double digestions. All of the enzymes exhibit 100% activity in the recommended buffer and reaction conditions. To ensure consistent performance, Thermo Scientific restriction enzyme reaction buffers contain premixed BSA, which enhances the stability of many enzymes and binds contaminants that may be present in DNA preparations.

Highlights

  • Superior quality – stringent quality control and industry leading manufacturing process
  • Convenient color-coded Five Buffer System
  • Includes universal Tango buffer for double-digestions
  • BSA premixed in reaction buffers
  • Wide selection of restriction endonuclease specificities

Applications

  • Molecular cloning
  • Restriction site mapping
  • Genotyping
  • Southern Blot
  • Restriction fragment length polymorphism (RFLP)
  • SNP

Note

For methylation sensitivity refer to product specifications.

  
Storage Condition-20 C
HazardousNo
Compatible EndsBshTI, BsaWI, Cfr9I, Eco88I, Kpn2I, NgoMIV, SgrAI.
Conditions for 100% Activity
  • 1X Buffer Cfr10I: 10 mM Tris-HCl (pH 8.0 at 37°C), 5 mM MgCl2, 100 mM NaCl, 0.02% Triton X-100, and 0.1 mg/mL BSA
  • Incubate at 37°C
Digestion of Agarose-embedded DNAMinimum 5 units of the enzyme are required for complete digestion of 1 µg of agarose-embedded lambda DNA in 16 hours.
Double DigestionPerform double digestion using DoubleDigest.
IsoschizomersSearch for commercial isoschizomers using REsearch.
NoteGreater than 5-fold overdigestion with Cfr10I may result in star activity.
Storage BufferCfr10I is supplied in: 10 mM potassium phosphate (pH 7.4 at 25°C), 100 mM KCl, 1 mM DTT, 1 mM EDTA, 0.2 mg/mL BSA, and 50% (v/v) glycerol.

Reaction conditions

Recommended buffer for 100% activity Optimal temperature Enzyme activity in Thermo Scientific buffers, % Tango buffer for double digestion
B (blue)
1X		 G (green)
1X		 O (orange)
1X		 R (red)
1X		 Tango
(yellow)
1X / 2X
Cfr10I Buffer [Unique] 37°C 0-20 20-50 20-50 50-100 20-50 50-100 1X or 2X

Methylation Effects

Methylation type Sequence Cleavage effect
CpGRCCGGY Blocked

Cleavage efficiency close to the termini of PCR fragments

bp from the recognition site to fragment end
1 2 3 4 5
20-50 50-100

Number of recognition sites in DNA molecules

Lambda ΦX174 M13mp18/19 pBR322 puc18/19 pUC57
61 0 1 7 1 1
pTZ19R/U pTZ57R pBluescriptIIKS(±) pBluescriptIISK(±) pACYC177 pACYC184
2 2 2 2 5 12

New sites generated by ligation

Newly generated recognition sites resulting from ligation of protruding compatible DNA ends

Recognition Sequence Second Enzyme Enzymes recognizing newly generated recognition sequence
A^CCGGY
  • BsaWI* (W^CCGGA)
  • Kpn2I (BspEI)/FastDigest Kpn2I (T^CCGGA)
  • BsaWI
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • BsaWI* (W^CCGGT)
  • BshTI (AgeI)/FastDigest AgeI (BshTI) (A^CCGGT)
  • SgrAI* (CR^CCGGTG)
  • BsaWI
  • BshTI (AgeI)/FastDigest AgeI (BshTI)
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • Cfr9I (XmaI) (C^CCGGG)
  • Eco88I (AvaI)/FastDigest AvaI (Eco88I)* (C^CCGGG)
  • BcnI (NciI)/FastDigest NciI (BcnI)
  • Bme1390I (ScrFI)/FastDigest ScrFI (Bme1390I)
  • BssKI
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • MreI (Sse232I)/FastDigest MreI (CG^CCGGCG)
  • NgoMIV (G^CCGGC)
  • SgrAI* (CR^CCGGCG)
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
G^CCGGY
  • BsaWI* (W^CCGGA)
  • Kpn2I (BspEI)/FastDigest Kpn2I (T^CCGGA)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • BsaWI* (W^CCGGT)
  • BshTI (AgeI)/FastDigest AgeI (BshTI) (A^CCGGT)
  • SgrAI* (CR^CCGGTG)
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • Cfr9I (XmaI) (C^CCGGG)
  • Eco88I (AvaI)/FastDigest AvaI (Eco88I)* (C^CCGGG)
  • BcnI (NciI)/FastDigest NciI (BcnI)
  • Bme1390I (ScrFI)/FastDigest ScrFI (Bme1390I)
  • BssKI
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • MreI (Sse232I)/FastDigest MreI (CG^CCGGCG)
  • NgoMIV (G^CCGGC)
  • SgrAI* (CR^CCGGCG)
  • Cac8I
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • NgoMIV
  • PdiI (NaeI)/FastDigest NaeI (PdiI)

Newly generated recognition sites resulting from fill-in of 5'-overhang and self-ligation

Recognition Sequence Newly generated sequence after reaction Enzymes that cleave the newly generated sequence
R^CCGGYRCCGGCCGGY
  • Bsh1285I (BsiEI)/FastDigest BsiEI (Bsh1285I)
  • BsuRI (HaeIII)/FastDigest HaeIII (BsuRI)
  • [Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)]
  • EaeI
  • CviJI
  • Eco52I (EagI)/FastDigest EagI (Eco52I)
  • [HpaII/FastDigest HpaII]
  • [MspI (HpaII)/FastDigest MspI]