Intact Genomics (ig) ER2738 Phage Display Chemically Competent Cells are suitable for protein expression and preparation of antibody or peptide phage display libraries. ER2738 cells are also useful for protein expression, M13 phage work, general cloning, and blue/white screening.Product Includes & Storage:ig ER2738 Phage Display Chemically Competent cells: -80 ºCpUC19 control DNA: -20 ºCRecovery medium: 4 ºC