BsmBI-v2
Product informationCode | Name | Size | Quantity | Price | |
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R0739S |
BsmBI-v2 |
200 units ( 10000 units/ml ) | - | Unavailable in your region | |
R0739L |
BsmBI-v2 |
1000 units ( 10000 units/ml ) | - | Unavailable in your region |
BsmBI-v2
BsmBI-v2 has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10284618. Learn more.
This product replaces BsmBI (NEB #R0580).
Learn about Ligase Fidelity and Push the Limits of Golden Gate Assembly (50+ fragments).
We are excited to announce that all reaction buffers are now BSA-free. NEB began switching our BSA-containing reaction buffers in April 2021 to buffers containing Recombinant Albumin (rAlbumin) for restriction enzymes and some DNA modifying enzymes. Find more details at www.neb.com/BSA-free.Catalog #R0739

- Time-Saver™ qualified for digestion in 5-15 minutes
- Used in Golden Gate Assembly
- Type IIS restriction enzymes recognize asymmetric DNA sequences and cleave outside of their recognition sequence
- Supplied with 1 vial of Gel Loading Dye, Purple (6X) (NEB #B7024)
- NEB has developed convenient kits (using BsmBI-v2 and BsaI-HFv2) for performing Golden Gate Assembly.
- Can be used with NEBridge® Ligase Master Mix for Golden Gate Assembly
- Restriction Enzyme Cut Site: CGTCTC
Featured Video
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Product Information
Product Source
An E. coli strain that carries the modified cloned BsmBI gene from Bacillus stearothermophilus B61. BsmBI-v2 is an engineered and improved version of BsmBI. (NEB uses the designation "v2" or "HF" in the name to indicate engineered enzymes.)- This product is related to the following categories:
- Restriction Endonucleases B,
- Time-Saver Qualified Restriction Enzymes
- This product can be used in the following applications:
- High-throughput cloning and automation solutions,
- DNA Analysis,
- DNA Preparation,
- NEBridge® Golden Gate Assembly ,
- Restriction Enzyme Digestion, Restriction Enzyme Digestion
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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 55°C in a total reaction volume of 50 µl.Reaction Conditions
1X NEBuffer™ r3.1
Incubate at 55°C1X NEBuffer™ r3.1
100 mM NaCl
50 mM Tris-HCl
10 mM MgCl2
100 µg/ml Recombinant Albumin
(pH 7.9 @ 25°C)Usage Concentration
1XActivity in NEBuffers
NEBuffer™ r1.1: <10%
NEBuffer™ r2.1: 50%
NEBuffer™ r3.1: 100%
rCutSmart™ Buffer: 25%
Diluent Compatibility
Storage Buffer
10 mM Tris-HCl
300 mM NaCl
1 mM DTT
0.1 mM EDTA
500 µg/ml Recombinant Albumin
50% Glycerol
pH 7.4 @ 25°CHeat Inactivation
80°C for 20 minutesMethylation Sensitivity
dam methylation: Not Sensitive
dcm methylation: Not Sensitive
CpG Methylation: Blocked
Isoschizomers
Activity at Temperature
@37°C: 10%
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Related Products
Companion Products
Materials Sold Separately
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Product Notes
- BsmBI-v2 is an isoschizomer of Esp3I
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Protocols, Manuals & Usage
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Protocols
- Optimizing Restriction Endonuclease Reactions
- Restriction Digest Protocol
- Double Digest Protocol with Standard Restriction Enzymes
- 35-Fragment Golden Gate Assembly using BsmBI-v2 (NEB #E1602)
- Golden Gate Assembly Protocol for using NEBridge® Golden Gate Assembly Kit (BsmBI-v2) (NEB #E1602)
- Golden Gate Assembly Protocol for NEBridge® Ligase Master Mix (NEB #M1100)
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Usage Guidelines
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Tools & Resources
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Selection Charts
- Alphabetized List of Recognition Sequences
- Cleavage of Supercoiled DNA
- Compatible Cohesive Ends and Generation of New Restriction Sites
- Dam-Dcm and CpG Methylation
- Enzymes with Nonpalindromic Sequences
- Frequencies of Restriction Sites
- Isoelectric Points (pI) for Restriction Enzymes
- Isoschizomers
- NEB Diluent and Buffer Table
- Time-Saver™ Qualified Enzymes
- Type IIS Restriction Enzymes
- Why Choose Recombinant Enzymes?
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Web Tools
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FAQs & Troubleshooting
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FAQs
- Why is there a BsmBI site in LITMUS 38 but not LITMUS 39?
- Which restriction enzymes are used in Golden Gate Assembly?
- Which restriction enzymes are used in GoldenBraid Assembly?
- When is star activity a concern?
- Is Gel Loading Dye, Purple (6X) or Gel Loading Dye, Purple (6X), no SDS compatible with other DNA binding dyes such as SYBR® and GelRed™ during gel electrophoresis?
- How many nucleotides do I have to add adjacent to the RE recognition site in order to get efficient cutting?
- Which NEB restriction enzymes are supplied with Gel Loading Dye, Purple (6X)?
- Can you tell me more about the switch from BSA to Recombinant Albumin (rAlbumin) in NEBuffers?
- What are the differences between BsmBI-v2 and its isoschizomer, Esp3I?
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Citations & Technical Literature
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Citations
Product Citation Tool
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Quality, Safety & Legal
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Quality Control Assays
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 & Change Notifications
BsmBI-v2 has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10284618. For additional information, please visit at NEB Restriction Enzyme formulations with Recombinant Albumin (rAlbumin).
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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]- R0739L_v1_10059568
- R0739S_v1_10059567
- R0739S_v1_10069104
- R0739S_v1_10072879
- R0739L_v1_10072878
- R0739L_v1_10076651
- R0739S_v1_10077760
- R0739L_v1_10078100
- R0739L_v1_10079772
- R0739S_v1_10079011
- R0739S_v1_10080281
- R0739L_v1_10081461
- R0739L_v1_10081486
- R0739S_v1_10081485
- R0739S_v1_10084573
- R0739S_v1_10088076
- R0739L_v1_10088077
- R0739S_v1_10091130
- R0739S_v1_10093310
- R0739L_v1_10095228
- R0739L_v1_10097393
- R0739S_v1_10097293
- R0739L_v1_10099764
- R0739S_v1_10099762
- R0739S_v1_10105217
- R0739L_v1_10107035
- R0739S_v1_10111530
- R0739L_v1_10114601
- R0739S_v1_10118457
- R0739L_v1_10119854
- R0739S_v1_10123721
- R0739L_v1_10128738
- R0739S_v1_10131499
- R0739L_v1_10133500
- R0739S_v1_10137513
- R0739L_v1_10139502
- R0739L_v1_10139898
- R0739S_v1_10139896
- R0739S_v1_10147202
- R0739L_v1_10149877
- R0739S_v1_10151161
- R0739S_v1_10156008
- R0739L_v1_10154043
- R0739L_v1_10160776
- R0739S_v1_10160208
- R0739L_v1_10165084
- R0739S_v1_10165083
- R0739S_v1_10170459
- R0739L_v1_10170457
- R0739S_v1_10173614
- R0739L_v1_10176972
- R0739S_v1_10180154
- R0739L_v1_10180155
- R0739S_v1_10185798
- R0739L_v1_10190710
- R0739S_v1_10195335
- R0739L_v1_10202749
- R0739S_v1_10205254
- R0739L_v1_10207274
- R0739L_v1_10213962
- R0739S_v1_10212877
- R0739S_v1_10221471
- R0739L_v1_10226010
- R0739S_v1_10230698
- R0739S_v1_10231498
- R0739L_v1_10232917
- R0739L_v1_10241227
- R0739L_v1_10247626
- R0739S_v1_10243995
- R0739S_v1_10254979
- R0739L_v1_10259561
- R0739S_v1_10259560
- R0739L_v1_10268841
- R0739S_v1_10279228
- R0739S_v1_10241224
- R0739S_v1_10282187
- R0739S_v1_10280308
- R0739L_v1_10287278
- R0739L_v2_10291362
- R0739S_v2_10291361
- R0739S_v2_10292883
- R0739L_v2_10299926
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Safety Data Sheets
The following is a list of Safety Data Sheet (SDS) that apply to this product to help you use it safely. -
Legal and Disclaimers
Products and content are covered by one or more patents, trademarks and/or copyrights owned or controlled by New England Biolabs, Inc (NEB). The use of trademark symbols does not necessarily indicate that the name is trademarked in the country where it is being read; it indicates where the content was originally developed. The use of this product may require the buyer to obtain additional third-party intellectual property rights for certain applications. For more information, please email busdev@neb.com.
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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Featured Videos
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Golden Gate Assembly Workflow
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Golden Gate Assembly Domestication Tutorial
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Listen to DAD Informatics tools and NEB enzymes to enable complex one-pot Golden Gate Assemblies
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Listen to DAD (Data-optimized Assembly Design) when constructing high-complexity Golden Gate Assembly targets
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Golden Gate Assembly Tool Tutorial
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NEB® TV Ep. 15 – Applications of Restriction Enzymes
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TIME-SAVER™ Protocol for Restriction Enzyme Digests
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Restriction Enzyme Digest Problem: Too Many DNA Bands
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Why is My Restriction Enzyme Not Cutting DNA?
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Function and Application of Type IIS Restriction Enzymes
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The supporting documents available for this product can be downloaded below.