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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: J Biol Inorg Chem. 2013 Jan 19;18(3):289–297. doi: 10.1007/s00775-012-0973-1

Table 1.

Rates of apoptosome activation and biophysical properties of cyt c variants.

Apoptosome activation CD DSC Redox
potential
Met-80 ε-
C1H3
Alkaline
transition
pmol.min−1.min−1 Normalized to
WT
Tm (°C) Tm (°C) mV ± SD ppm pKa
PBS 0.003 ± 0.001 0.015
WT 0.200 ± 0.003 1 71 ± 3 66.7 ± 0.2 226 ± 3 −23.9 9.3 ± 0.4
G41S 0.317 ± 0.004 1.58 69 ± 1 66.6 ± 0.8 227 ± 4 −23.2 7.8 ± 0.3
G41A 0.181 ± 0.004 0.9 69 ± 1 67.9 ± 0.5 244 ± 3 −23.5 8.1 ± 0.5
G41T 0.014 ± 0.001 0.07 68 ± 4 67.6 ± 0.5 195 ± 1 −19.9 6.7 ± 0.2