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Figure 1
A simplified scheme of a protein crystallization phase diagram. In addition to precipitant concentration, the pH, temperature or additive concentrations are also important adjustable parameters. Crystallization approaches to reach the nucleation and metastable zones are indicated.

IUCrJ
Volume 2| Part 2| February 2015| Pages 246-255
ISSN: 2052-2525
doi:10.1107/S205225251402702X