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You are here:Home » Molecular Biology » MB-Enzymes, Restriction » BseDI (SecI)

BseDI (SecI)


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5'-C^C N N G G-3'
3'-G G N N C^C-5'
Catalog #B2905
Source Bacillus stearothermophilus RFL1434
Concentration 10u/ul
Unit Definition One unit is defined as the amount of enzyme required to digest 1ug of lambda DNA in 1 hour at 55°C in 50ul of assay buffer.
Dilution Buffer 10mM Tris-HCl, pH 7.4 at RT, 100mM KCl, 1mM EDTA, 1mM DTT, 0.2mg/ml BSA, 50% glycerol.
Storage Buffer Supplied as a liquid in 10mM Tris-HCl, pH 7.5 at RT, 50mM KCl, 1mM DTT, 0.1mM EDTA, 0.2mg/ml BSA, 50% glycerol.
Directions For Use Incubate at 55°C. (Incubation at 37°C results in 10% activity.)
Supplied withR1625: Restriction Enzyme Buffer A, 10X. Suitable for use in Double Digest assays.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Enzyme Properties
Thermal InactivationEnzyme is inactivated by incubation at 80°C for 20min.
Stability during Prolonged IncubationA minimum of 0.2units of enzyme is required for complete digestion of 1ug of lambda DNA in 16 hours at 55°C
Number of Recognition Sites in DNA
Methylation Effects
DAMNever overlaps - no effect
DcmMay overlap - no effect
CpGMay overlap - no effect
EcoKINever overlaps - no effect
EcoBINever overlaps - no effect
Quality Control
Overdigestion Assay
No detectable change in the specific fragmentation pattern is observed after 160-fold overdigestion (10u/ug lambda DNA x 16 hours) with BseDI.
Ligation/Recutting Assay
After 50-fold overdigestion (3u/ug DNA x
The Ligation/Recutting assay was replaced with LO test after validating experiements showed LO test ability to trace nuclease and phophatase activities with sensitivity that is higher than L/R by a factor of 10.
Labeled Oligonucleotide (LO) Assay
No detectable degradation of a single-stranded and double-stranded labeled oligonucleotide was observed after incubation with 10 units of BseDI for 4 hours.

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