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MreI (Sse232I)

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

FastDigest enzyme available G buffer for 100% activity Optimal incubation at 37°C Cleavage blocked or impaired by CpG methylation Thermal inactivation at 80°C in 20 min Recombinant enzyme LO certified

The MreI (Sse232I) restriction enzyme recognizes CG^CCGGCG sites and cuts best at 37°C in G buffer
  
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Ad2 DNA digested with MreI (Sse232I)

Ad2 DNA digested with MreI (Sse232I), 1% agarose, 2 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, Cfr9I, SgrAI, BseNI, Cfr10I, Kpn2I, BsaWI.
Conditions for 100% Activity
  • 1X Buffer G: 10 mM Tris-HCl (pH 7.5 at 37°C), 10 mM MgCl2, 50 mM NaCl, and 0.1 mg/mL BSA
  • Incubate at 37°C
Double DigestionPerform double digestion using DoubleDigest.
IsoschizomersSearch for commercial isoschizomers using REsearch.
NoteAssayed using linearized pJET1 DNA with inserted MreI recognition site.
Storage BufferMreI is supplied in: 10 mM potassium phosphate (pH 7.0 at 25°C), 200 mM KCl, 0.1 mM EDTA, 0.01% Triton X-100, 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
G (Green) 37°C 0-20 100 0-20 0-20 50-100 0-20 1X

Methylation Effects

Methylation type Sequence Cleavage effect
CpGCGCCGGCG Blocked

Cleavage efficiency close to the termini of PCR fragments

bp from the recognition site to fragment end
1 2 3 4 5
0 20-50 50-100

Number of recognition sites in DNA molecules

Lambda ΦX174 M13mp18/19 pBR322 puc18/19 pUC57
0 0 0 0 0 0
pTZ19R/U pTZ57R pBluescriptIIKS(-/+) pBluescriptIISK(-/+) pACYC177 pACYC184
0 0 0 0 0 0

New sites generated by ligation

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

Recognition SequenceSecond EnzymeEnzymes recognizing newly generated recognition sequence
CG^CCGGCG
  • 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)
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)* (R^CCGGT)
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)* (R^CCGGC)
  • NgoMIV (G^CCGGC)
  • Cac8I
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • NgoMIV
  • PdiI (NaeI)/FastDigest NaeI (PdiI)
  • 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
  • SgrAI* (CR^CCGGCG)
  • Cac8I
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MreI (Sse232I)/FastDigest MreI
  • MspI (HpaII)/FastDigest MspI
  • NgoMIV
  • PdiI (NaeI)/FastDigest NaeI (PdiI)
  • SgrAI
  • SgrAI* (CR^CCGGTG)
  • Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)
  • HpaII/FastDigest HpaII
  • MspI (HpaII)/FastDigest MspI
  • SgrAI

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

Recognition SequenceNewly generated sequence after reactionEnzymes that cleave the newly generated sequence
CG^CCGGCGCGCCGGCCGGCG
  • Bsh1285I (BsiEI)/FastDigest BsiEI (Bsh1285I)
  • BsuRI (HaeIII)/FastDigest HaeIII (BsuRI)
  • [Cac8I]
  • [Cfr10I (BsrFI)/FastDigest BsrFI (Cfr10I)]
  • EaeI
  • CviJI
  • Eco52I (EagI)/FastDigest EagI (Eco52I)
  • [HpaII/FastDigest HpaII]
  • [MspI (HpaII)/FastDigest MspI]
  • [NgoMIV]
  • [PdiI (NaeI)/FastDigest NaeI (PdiI)]