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Space-grown crystals have provided valuable insights into the molecular structure of proteins associated with Parkinson's disease, offering a clearer understanding of the disease's underlying mechanisms. In Parkinson's disease, a protein called alpha-synuclein misfolds and aggregates, forming toxic clumps in the brain that contribute to neurodegeneration. However, studying the atomic structure of these proteins on Earth can be challenging due to gravity's effects on crystal growth. In microgravity environments like the International Space Station (ISS), crystals can grow larger and with fewer imperfections. This makes them ideal for high-resolution structural analysis using techniques like X-ray crystallography. Researchers sent samples of alpha-synuclein to the ISS to grow crystals in a microgravity environment. After bringing the crystals back to Earth, they were able to use X-ray crystallography to determine their atomic structure more precisely than would have been possible with Earth-grown crystals. This detailed understanding of the protein's structure provides crucial insights into how alpha-synuclein misfolds and aggregates, leading to the formation of toxic clumps in Parkinson's disease. By identifying specific structural features responsible for this process, scientists can potentially develop targeted therapies that prevent or disrupt the formation of these toxic aggregates. Overall, the utilization of space-grown crystals has enabled researchers to make significant strides in unraveling the molecular basis of Parkinson's disease, potentially paving the way for more effective treatments and interventions in the future.