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GsuI (BpmI)

Kód produktu: ER0461 Kód výrobce: ER0461 Kód dodavatele: {0C5E3489-A5F4-4098-942E-E319C02BFD80} Výrobce: Life Technologies Czech Republic s.r.o.
2 649,90 Kč
2 190,00 Kč bez DPH
do týdne
100 Units

5'...C T G G A G (N)16...3'
3'...G A C C T C (N)14...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


  • Incubation at 37°C results in 70% activity.
  • GsuI requires only Mg2+ for its activity, but is stimulated by S-adenosylmethionine. 0.01 mM S-adenosylmethionine gives a 2-fold increase in activity.
  • GsuI 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.
  • GsuI is blocked by overlapping dcm methylation. To avoid dcm methylation, use a dam-, dcm- strain, such as GM2163.

For methylation sensitivity refer to product specifications.

Conditions for 100% Activity
  • 1X Buffer B: 10 mM Tris-HCl (pH 7.5 at 37°C), 10 mM MgCl2, 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 GsuI is supplied in: 10 mM potassium phosphate (pH 7.5 at 25°C), 1 mM EDTA, 1 mM DTT, 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)
1X / 2X
B (Blue) 30°C 100 50-100 0-20 20-50 100 50-100 1X or 2X

Methylation Effects

  • Dam: never overlaps – no effect.
  • Dcm: may overlap – blocked.
  • CpG: never overlaps – no effect.
  • EcoKI: never overlaps – no effect.
  • EcoBI: never overlaps – no effect.
Methylation type Sequence Cleavage effect
Dcm (CCWGG) 5'...CTCm5CA GG...3'
3'...GAG GTm5CC...5'

Cleavage efficiency close to the termini of PCR fragments

bp from the recognition site to fragment end
1 2 3 4 5

Number of recognition sites in DNA molecules

Lambda ΦX174 M13mp18/19 pBR322 puc18/19 pUC57
25 3 2 4 1 1
pTZ19R/U pTZ57R pBluescriptIIKS(-/+) pBluescriptIISK(-/+) pACYC177 pACYC184
1 1 2 1 1 4

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