Biotechrabbit은 바이오의약품 및 생명과학 연구를 위한 고급 실험 재료와 서비스를 제공하는 회사입니다.
제품 설명
Long Range PCR Master Mix, 2×
제품 번호
BR0300401 - 100 reactions of 50 µl
BR0300402 - 500 reactions of 50 µl
제품 특징
Description
biotechrabbit™ Long Range PCR Master Mix is a perfect choice for fast reaction setup for long-range PCR that reduces the time required for calculation and pipetting and eliminates the need for buffer optimization. It is designed for amplification of targets up to 40 kb in size. The master mix works well with GC-rich templates and amplifies DNA with a higher fidelity than Taq DNA polymerase.
The Long Range PCR Master Mix contains a blend of thermophilic polymerases, extremely high-quality dNTPs and optimized PCR buffer; thus, only template, PCR primers and PCR-grade water are added.
For the most demanding applications, the supplied 5× PCR Enhancer can be optionally used to improve results when using templates with GC-rich sequences and complex structures.
Long Range PCR Master Mix produces a mixture of A-tailed and blunt-end PCR products. It is advisable to blunt products before cloning into the blunt-end vector.
Other Information
Quality ControlFunctional assayHuman genomic DNA was amplified using the Long Range PCR Master Mix and specific primers to produce a distinct band. |
Protocols
When assembling the amplification reactions, care should be taken to eliminate the possibility of contamination with undesired DNA.
The standard PCR protocol using biotechrabbit reaction buffer provides excellent results for most applications. Optimization might be necessary for certain conditions, such as the amplification of long targets, high GC or AT content, strong template secondary structures or insufficient template purity. In such cases, optimization of template purification (see biotechrabbit nucleic acid purification kits), primer design and annealing temperature is recommended.
The best conditions for each primer-template can be optimized with the following:
Component | Volume | Final concentration |
Long Range PCR Master Mix (2×) | 25 µl | 1× |
5× PCR Enhancer (optional - BR1900201) | 10 µl | 1× |
Forward primer | Variable | 0.2–1 µM |
Reverse primer | Variable | 0.2–1 µM |
Template DNA | Variable | 10 pg–1 μg |
| Use 0.01–1 ng for plasmid or phage DNA and 0.1–1 μg for genomic DNA | |
Nuclease free water | Variable |
|
Total volume | 50 µl |
|
Step | Temperature | Time | Cycles |
Initial activation | 95°C | 2 min | 1 |
Denaturation | 95°C | 30 s | 25–35 |
Annealing | 55°C | 30–45 s | 25–35 |
| Approximately 5°C below Tm of primers | ||
Extension | 72°C | 30 s/kb | 25–35 |
For fragments longer than 5 kb, use 68°C extension temperature and 1 min/kb timing. | |||
Final extension | 72°C | 5 min | 1 |
| To extend all incomplete PCR products | ||
Storage in the cycler | 4°C | Indefinitely | 1 |
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