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Figure 2
Typical examples of proteinase K microcrystals sprayed onto lacey carbon grids. Proteinase K microcrystals which were sprayed onto 400-mesh lacey carbon TEM grids were screened for ice thickness and diffraction quality prior to collection (the red cross-hair indicates the crystal).

IUCrJ
Volume 13| Part 4| July 2026| Pages 514-521
ISSN: 2052-2525
https://doi.org/10.1107/S2052252526005129