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BstEII

Catalog # Concentration Size List Price Quantity Your Price
R0162L 10000 units/ml 10000 units
Please Inquire
R0162S 10000 units/ml 2000 units
Please Inquire
Catalog # Size List Price Your Price
R0162L 10000 units
R0162S 2000 units
Please Inquire
*On-line ordering is for Canadian customers only. Web pricing is applicable only to orders placed online at www.neb.ca
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BstEII has a High Fidelity version, BstEII-HF® (NEB #R3162)

High Fidelity (HF) Restriction Enzymes have 100% activity in rCutSmart Buffer; single-buffer simplicity means more straightforward and streamlined sample processing. HF enzymes also exhibit dramatically reduced star activity. HF enzymes are all Time-Saver qualified and can therefore cut substrate DNA in 5-15 minutes with the flexibility to digest overnight without degradation to DNA. Engineered with performance in mind, HF restriction enzymes are fully active under a broader range of conditions, minimizing off-target products, while offering flexibility in experimental design.

Product Source
An E. coli strain that carries the BstEII gene from Bacillus stearothermophilus ET (N. Welker).

Properties & Usage

Unit Definition

One unit is defined as the amount of enzyme required to digest 1 µg of λ DNA in 1 hour at 60°C in a total reaction volume of 50 µl.

Reaction Conditions

1X NEBuffer™ r3.1
Incubate at 60°C

1X NEBuffer™ r3.1
100 mM NaCl
50 mM Tris-HCl
10 mM MgCl2
100 µg/ml Recombinant Albumin
(pH 7.9 @ 25°C)

Activity in NEBuffers

NEBufferâ„¢ r1.1: 10%
NEBufferâ„¢ r2.1: 75%
NEBufferâ„¢ r3.1: 100%
rCutSmartâ„¢ Buffer: 75%

Diluent Compatibility

Storage Buffer

10 mM Tris-HCl
50 mM KCl
1 mM DTT
0.1 mM EDTA
200 µg/ml BSA
50% Glycerol
pH 7.4 @ 25°C

Heat Inactivation

No

Methylation Sensitivity

dam methylation: Not Sensitive
dcm methylation: Not Sensitive
CpG Methylation: Not Sensitive

Activity at Temperature

@37°C: 10%


Companion Products
Notes
  • Of the over 3,000 known restriction endonucleases, BstEII is one of the few that produces extensions of more than 4 bases.
  • May exhibit Star Activity in NEBuffer r2.1 and rCutSmart Buffer.
  • Based on the stability of the enzyme in the reaction, incubations longer than 1 hr will not result in improved digestion, unless additional enzyme is added. Please refer to Restriction endonuclease survival in a reaction for more information regarding this topic.
  • Not sensitive to CpG, dcm, or dam methylation.
Quality Control Assay
Quality Control tests are performed on each new lot of NEB product to meet the specifications designated for it. Specifications and individual lot data from the tests that are performed for this particular product can be found and downloaded on the Product Specification Sheet, Certificate of Analysis, data card or product manual. Further information regarding NEB product quality can be found here.
Specifications
The Specification sheet is a document that includes the storage temperature, shelf life and the specifications designated for the product. The following file naming structure is used to name these document files: [Product Number]_[Size]_[Version]
Certificate of Analysis
The Certificate of Analysis (COA) is a signed document that includes the storage temperature, expiration date and quality controls for an individual lot. The following file naming structure is used to name these document files: [Product Number]_[Size]_[Version]_[Lot Number]
Safety Data Sheets
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This product is intended for research purposes only. This product is not intended to be used for therapeutic or diagnostic purposes in humans or animals.

New England Biolabs (NEB) is committed to practicing ethical science – we believe it is our job as researchers to ask the important questions that when answered will help preserve our quality of life and the world that we live in. However, this research should always be done in safe and ethical manner. Learn more. 

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