E. coli Expression System with Gateway® Technology The E. coli Expression System with Gateway™ Technology is designed to create E. coli expression clones containing the T7 promoter. The expression clones are ready for transformation and expression in E. coli. The system offers: Expression: E. coli Promoter: T7 Bacterial or Yeast Strain: BL21-AI™ Vector Type: Gateway T7 Vectors Product Size: 20 reactions Cloning Method: Gateway® Expression Mechanism: Cell-Based Expression Protein Tag or Fusion: GST Tag, His Tag (6x) Antibiotic Resistance (Bacterial): Ampicillin (AmpR) Regulatory Statement: For Research Use Only. Not for use in diagnostic procedures.