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You are here:Home » Molecular Biology » MB-Enzymes, Restriction » BcuI (SpeI)

BcuI (SpeI)

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Specifications

5'-A^C T A G T-3'
3'-T G A T C^A-5'
Catalog #B0808-05
Concentration 10u/ul
Source Bacillus coagulans VS 29–022
Unit Definition One unit is defined as the amount of enzyme required to digest 1ug of AD2 DNA fragments in 1 hour at 37°C in 50ul of assay buffer.
Buffer 33mM Tris-acetate (pH 7.9), 10mM magnesium acetate, 66mM potassium acetate and 0.1mg/ml BSA. Incubate at 37°C.
Diluent Buffer 10mM Tris-HCl (pH 7.4 at 25°C), 100mM KCl, 1mM EDTA, 1mM DTT, 0.2mg/ml BSA and 50% glycerol. For longer periods–the Storage Buffer should be used.
Storage Buffer 10mM Tris-HCl (pH 7.5 at 25°C), 300mM KCl, 1mM DTT, 0.1mM EDTA, 0.2mg/ml BSA and 50% glycerol.
Overdigestion AssayNo detectable change in the specific fragmentation pattern is observed after 160-fold overdigestion (10u/ug Ad2 DNA x 16 hours) with BcuI.
Ligation/Recutting AssayAfter 50-fold overdigestion (3u/ug DNA x 17 hours) with BcuI, more than 80% of the DNA fragments can be ligated at a 5'-termini concentration of 0.05uM. More than 90% of these can be recut.
Labeled Oligonucleotide (LO) AssayNo detectable degradation of a single-stranded and double-stranded labeled oligonucleotide was observed after incubation with 10units of restriction endonuclease for 4 hours.
Blue/White Cloning AssayThe mix of pUC57/HindIII, pUC57/PstI and pUC57/Eco32I digests was incubated with 10units of enzyme for 16 hours. After religation and transformation 1.1% of white colonies were detected.
Stability during Prolonged IncubationA minimum of 0.5units of enzyme is required for complete digestion of 1ug of Ad2 DNA in 16 hours at 37°C.
Thermal InactivationEnzyme is not inactivated by incubation at 80°C for 20min.
Digestion of Agarose-embedded DNAA minimum of 10units of enzyme is required for digestion of 1ug of agarose-embedded Adenovirus-2 DNA in 16 hours.
Compatible EndsEco130I, NheI, XbaI, XmaJI
Number of Recognition Sites in DNA
Ad23
Lambda0
PhiX1740
M13mp18/190
pBR3220
pUC18/190
pUC570
pTZ19R/U0
pBluescriptIIKS(-/+)1
pBluescriptIISK(-/+)1
pACYC1770
pACYC1840


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