• CPCG-HM on ISS

    CPCG-HM on ISS

  • CPCG-HM units ready for flight

    CPCG-HM units ready for flight

  • Hardware tray filled with liquid-liquid protein samples

    Hardware tray filled with liquid-liquid protein samples

  • Hardware trays for storing vapor diffision protein samples

    Hardware trays for storing vapor diffision protein samples

  • Water fill
  • Hardware tray for vapor diffusion protein samples

    Hardware tray for vapor diffusion protein samples

  • Scientist loading liquid diffusion protein samples

    Scientist loading liquid diffusion protein samples

CPCG (Commercial Protein Crystal Growth) was a National Laboratory Office experiment (under PI Dr. Lawrence DeLucas) intended to demonstrate the scientific and commercial value of protein crystallization on a long-duration microgravity mission. Samples were high-value proteins whose structures cannot be determined through ground-based methods. Studying protein crystals grown in microgravity could provide useful information in the development of new drugs.

Our engineers designed the hardware to house the protein samples inside two MERLIN refrigerator-incubators that were installed within an EXPRESS Rack on ISS to maintain desired temperatures of +20oC and +4oC.

Engineering services included design, verification, integration, and launch and landing support for the hardware.