ISS057E106426 - European Space Agency (ESA) astronaut Alex Gerst uses a microscope with the Space Automated Bioproduct Laboratory (SABL) Camera attached to document a Protein Crystal Growth (PCG) MicroG Card. The photo was taken in the Destiny U.S. Laboratory aboard the International Space Station (ISS) for the Crystallization of LRRK2 Under Microgravity Conditions-2 (CASIS PCG 16) investigation.