The Cupid Peptide Company manufactures cell penetrating peptides and proteins for the biomedical research community. Our process fuses the cell permeable peptide “Cupid” to a protein "Cargo" (200+ amino acids) to produce a soluble, cell penetrating product. Cupid peptides rapidly penetrates through the plasma membrane and into the cytosol of living cells where the cargo can interact with the Proteome. We offer both an off-the-shelf product range and a Custom Service with a lead time for new products of 6-8 weeks