PstI (10 U/µL) – ER0611 – 3,000 units
| 5′ | C | T | G | C | A ↓ | G | 3′ | ||||
| 3′ | G ↑ | A | C | G | T | C | 5′ |
Thermo Scientific PstI restriction enzyme recognizes CTGCA^G sites and cuts best at 37°C in O buffer (Isoschizomers: BspMAI). 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.
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Storage Buffer
PstI is supplied in: 10 mM Tris-HCl (pH 7.4 at 25°C),
200 mM NaCl, 1 mM DTT, 0.1 mM EDTA,
0.15% Triton X-100, 0.2 mg/mL BSA and 50% glycerol.
Recommended Protocol for Digestion
• Add:
nuclease-free water 16 μL
10X Buffer O 2 μL
DNA (0.5-1 μg/μL) 1 μL
PstI 0.5-2 μL
• Mix gently and spin down for a few seconds.
• Incubate at 37°C for 1-16 hours.
The digestion reaction may be scaled either up or down.
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