| 5' | ? | ? | ↓ | N7 | G?? | A?? | A?? | C?? | N6 | T?? | C?? | C?? | N12-13 | ↓ | ? | 3' |
| 3' | ? | ? | ↑ | N12-13 | C?? | T?? | T?? | G?? | N6 | A?? | G?? | G?? | N7 | ↑ | ? | 5' |
Thermo Scientific AloI restriction enzyme recognizes ^(7/12-13)GAAC(N)6TCC(12-13/7)^ sites and cuts best at 30°C in R buffer. 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: For methylation sensitivity, refer to product specifications. Incubation at 37°C results in 20% activity. AloI produces double-strand cuts on both sides from the interrupted recognition site. Its unique feature is a degenerate cleavage point on the 3 side of the recognition sequence (12 or 13?nt away). The presence of SAM in the reaction mixture results in incomplete cleavage with AloI. Greater than 10-fold overdigestion with AloI may result in star activity. AloI 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.
關(guān)鍵字： AloI (2 U/μL);分子生物學(xué)
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