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Stbl3 Chemically Competent Cells (JSR1714)


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Minimizes unwanted vector recombination during propagation, 

making it ideal for the construction and amplification of lentiviral and retroviral vectors, 

ensuring high-fidelity sequence integrity.


2. Convenient Selection Marker
Carries inherent streptomycin resistance, 

allowing for straightforward and reliable selection, 

thereby reducing false-positive colonies.


3. High Transformation Efficiency
Rigorously validated using pUC19 plasmid, achieving a transformation efficiency of ≥ 10⁸ cfu/μg DNA. 

Ensures robust cloning performance even with limited template amounts.


4. Stable Long-term Storage
Stable for up to 6 months​ when stored at -70°C, 

maintaining high viability and reducing procurement frequency.


5. User-friendly Protocol
Optimized for standard chemical transformation​ procedures. 

Requires no specialized equipment and follows a well-established protocol suitable for users of all experience levels.

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Jianshi Biotechnology (Beijing) Co., Ltd.
Company Address: Room 401, Building 11, No. 12 Courtyard, Juyuan Middle Road, Mapo Town, Shunyi District, Beijing  
Phone: 86 18640171737
E-mail: gwang@jianshibio.com
Jianshi Biotechnology (Zhejiang) Co., Ltd.
Address: Building 11, No. 36 Xingshun Road, Zhongyi Ningbo Eco-park, Yuyao City, Zhejiang Province 
WhatsApp: 86 18640171737

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