NEB Express Competent E. coli (High Efficiency)

• 产品编号：C2523I      品牌：New England Biolabs       原厂货号：C2523I
• 产品分类：克隆 > 克隆载体和克隆试剂盒 > 细菌菌株和感受态细胞 > 感受态细胞
• 应用分类：

描述：

• Transformation efficiency: 0.6-1 x 10⁹ cfu/μg pUC19 DNA
• Enhanced BL21 derivative ideal for P_lac, P_tac, P_trc expression vectors
• Deficient in proteases Lon and OmpT
• Resistant to phage T1 (fhuA2)
• Does not restrict methylated DNA (McrA^-, McrBC^-, EcoBr^-m^-, Mrr^-)
• Free of animal products

原厂资料：

注意事项：

General notes:

1. CAUTION: This product contains DMSO, a hazardous material. Review the MSDS before handling.
2. STORAGE AND HANDLING: Competent cells should be stored at -80°C. Storage at -20°C will result in a significant decrease in transformation efficiency. Cells lose efficiency whenever they are warmed above -80°C, even if they do not thaw.