Images of crystals in IMISXcryo wells in a cryostream at 100 K as viewed by a high-resolution in-line microscope. (a) Insulin. (b) Lysozyme. (c) AlgE. (d) PepTSt. (e) β2AR. (f) DgkA. Arrows point to crystals in the mesophase. DgkA crystals were grown at 277 K. All others were grown at 293 K.