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. 2016 Nov 3;11(11):e0165709. doi: 10.1371/journal.pone.0165709

Table 3. Various buffer conditions used to study stability of secretagogin.

Label Buffer CaCl2 or EDTA DTT
A 10 mM Tris, 0.15 M KCl, pH 7.5 1 mM CaCl2 Absent
B 10 mM Tris, 0.15 M KCl, pH 7.5 0.5 mM EDTA Absent
C 10 mM Tris, 0.15 M KCl, pH 7.5 1 mM CaCl2 1 mM
D 10 mM Tris, 0.15 M KCl, pH 7.5 0.5 mM EDTA 1 mM
E 10 mM Tris, 0.15 M KCl, pH 7.5 1 mM CaCl2 4 mM
F 10 mM Tris, 0.15 M KCl, pH 7.5 0.5 mM EDTA 4 mM