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. 2017 May 25;7:2429. doi: 10.1038/s41598-017-02677-1

Figure 3.

Figure 3

Continuous sedimentation coefficient distributions of human PAD4 WT enzyme during urea denaturation. The PAD4 WT enzyme (0.3 mg/ml) in the presence of 10 mM Ca2+ was treated with various concentrations of urea in 50 mM Tris-HCl buffer (pH 7.4) at 25 °C for 16 h: (A) 0 M urea, (B) 0.6 M urea, (C) 1.2 M urea, (D) 1.8 M urea, (E) 2.4 M urea, (F) 3.0 M urea, (G) 4.0 M urea and (H) 5.0 M urea.