CseI (HgaI) (5 U/µL)

Catalog number: ER1901

Thermo Scientific™  Related applications: Restriction Enzyme Cloning

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5'  G  A  C  G  C  N5 3'
3'  C  T  G  C  G  N10 5'

Thermo Scientific CseI (HgaI) restriction enzyme recognizes GACGC(5/10)^ sites and cuts best at 37°C in R buffer (isoschizomers: HgaI). See Reaction Conditions for Restriction Enzymes for a table of enzyme activity, conditions for double digestion, and heat inactivation for this and other restriction enzymes. Note: Also available as a FastDigest enzyme for rapid DNA digestion.

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


• Molecular cloning
• Restriction site mapping
• Genotyping
• Southern blotting
• Restriction fragment length polymorphism (RFLP)

Note: Assayed using pBR322 DNA (#SD0041). Low salt, high glycerol (>5%) concentrations, pH > 8.0 or a large excess of enzyme may result in star activity. CseI 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. For methylation sensitivity, refer to product specifications.
For Research Use Only. Not for use in diagnostic procedures.


Enzyme: CseI (HgaI)
Product Size: 100 units
Compatible Buffer: 10x Buffer R
Methylation Sensitivity: Not dam methylation-sensitive, CpG methylation-sensitive, Not dcm methylation-sensitive
Optimal Reaction Temperature: 37° C
Sensitive to Heat Inactivation: Yes


Manuals & protocols

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