Creative BioMart has more than 10 years of experience in protein expression and is competent to satisfy various protein expression desire. We are expert in protein expression (intracellular or secretory), signal peptide selection, insect cell selection and culture. Choosing our Bac-to-Bac comprehensive service, customers only need to provide the coding sequence of your target protein. We will provide customized services from codon optimization to large-scale expression and purification. Bac to Bac Protein Expression Service https://bes.creativebiomart.ne....t/bac-to-bac-system.