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. 2007 Oct 31;2(10):e1091. doi: 10.1371/journal.pone.0001091

Figure 2. Example of a positive effect of a heterologous nucleating agent on crystallization.

Figure 2

(A) Control crystallization drop with no heterogeneous nucleating agent added (glucose isomerase, condition F4: 2% w/v polyethyleneimine, 0.1 M sodium citrate pH 5.6, 0.5 M sodium chloride). (B) Crystallization drop with identical crystallization conditions as in A, but with horse hair added as a heterogeneous nucleating agent.