Supplementary Figure 3: Crystalline samples used in this study.
From: Drop-on-demand sample delivery for studying biocatalysts in action at X-ray free-electron lasers

a. Crystal images of Phytochrome PAS-GAF region (~ 50 μm), b. Phytochrome PSM (~ 100 μm), c. RNR (20 - 30 μm), and d. PS II (20 - 50 μm).