| 5' | ? | ? | C?↓ | C?? | C?? | G?? | G?? | G?? | ? | 3' | ? |
| 3' | ? | ? | G?? | G?? | G?? | C?? | C?↑ | C?? | ? | 5' | ? |
Thermo Scientific Cfr9I (XmaI) restriction enzyme recognizes C^CCGGG sites and cuts best at 37°C in its own unique buffer (Isoschizomers: TspMI, XmaCI). 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.
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.
Features? 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
Applications? Molecular cloning
? Restriction site mapping
? Genotyping
? Southern blotting
? Restriction fragment length polymorphism (RFLP)
? SNP
Note: To achieve complete digestion of substrate with Cfr9I, the concentration of DNA should be no less than 50 μg/mL in the reaction buffer.
For methylation sensitivity, refer to product specifications.
關鍵字： Cfr9I (XmaI) (10 U/μL);分子生物學
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