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Alo I

Kód produktu: ER1491 Kód výrobce: ER1491 Kód dodavatele: {D9D0DFFF-B593-4456-B76B-B115664188A5} Výrobce: Life Technologies Czech Republic s.r.o.
6 062,10 Kč
5 010,00 Kč bez DPH
do týdne
100 Units

5'...↓    7(N) G A A C (N)6 T C C (N)12-13↓...3'
3'...↓12-13(N) C T T G (N)6 A G G (N)7    ↓...5'

Zobraz detailní popis

Detailní popis

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.


  • 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


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


For methylation sensitivity refer to product specifications.

  • Incubation at 37°C results in 20% activity.
  • AloI produces double-strand cuts on both sides from the interrupted recognition site.
  • Its unique feature is a degenerate cleavage point on the 3 side of the recognition sequence (12 or 13 nt away).
  • The presence of SAM in the reaction mixture results in incomplete cleavage with AloI.
  • Greater than 10-fold overdigestion with AloI may result in star activity.
  • AloI may remain associated with the cleaved DNA. This may cause DNA band shifting during electrophoresis. To avoid atypical DNA band patterns, use the 6X DNA Loading Dye & SDS Solution for sample preparation or heat the digested DNA in the presence of SDS prior to electrophoresis.
    Conditions for 100% Activity
    • 1X Buffer R: 10 mM Tris-HCl (pH 8.5 at 37°C), 10 mM MgCl2, 100 mM KCl and 0.1 mg/mL BSA
    • Incubate at 30°C
    Double Digestion Perform double digestion using DoubleDigest.
    Hazardous No
    Isoschizomers Search for commercial isoschizomers using REsearch.
    Storage Buffer AloI is supplied in 10 mM Tris-HCl (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.
    Storage Condition -20 C

    Reaction conditions

    Recommended buffer for 100% activity Optimal temperature Enzyme activity in Thermo Scientific buffers, % Tango buffer for double digestion
    B (blue)
    G (green)
    O (orange)
    R (red)
    Tango (yellow)
    1X / 2X
    Red 30°C 0-20 0-20 0-20 100 20-50 100 1X or 2X

    Methylation Effects

  • Dam: may overlap - effect not determined
  • Dcm: may overlap - no effect
  • CpG: may overlap - cleavage impaired
  • EcoKI: never overlaps - no effect
  • EcoBI: never overlaps - no effect
Methylation type Sequence Cleavage effect
Dam(GATC) 5'...GAAC(N)4Gm6A TCC...3'
3'...CTTG(N)4C Tm6AGG...5'
Not determined
Dcm(CCWGG) 5'...GAAC(N)6TCm5CW GG...3'
3'...CTTG(N)6AG GWm5CC...5'
No effect
CpG 5'...m5C GAAC(N)6TCC...3'
3'... Gm5CTTG(N)6AGG...5'
CpG 5'...GAAC(N)6TCm5C G...3'
3'...CTTG(N)6AG Gm5C...5'
No effect
CpG 5'...GAAm5C G(N)5TCC...3'
3'...CTT Gm5C(N)5AGG...5'
No effect

Number of recognition sites in DNA molecules

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

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