Purtein

Purtein is a biotechnology company specializing in the production and purification of high-quality recombinant proteins and enzymes for the life science research community. Based in Rockville, Maryland, the company provides a comprehensive suite of custom protein services, including gene synthesis, protein expression in various systems (E. coli, yeast, insect, and mammalian cells), and large-scale protein purification. In addition to its service offerings, Purtein maintains an extensive catalog of off-the-shelf proteins, such as cytokines, growth factors, and viral proteins, to support drug discovery and academic research. The company focuses on delivering high-purity biological reagents with consistent bioactivity to facilitate complex biochemical and cellular assays.