Table 1.

Values of critical concentration determined for different forms of unoxidized and Mical-oxidized (Mox-) actin.

Actin	Mox-Actin Cc (μM)		Unoxidized Actin Cc (μM)
Muscle
RSA **	1.00 ± 0.28		0.020 ± 0.048
Cardiac *	1.16 ± 0.08		0.080 ± 0.068
SMA *	1.37 ± 0.15		0.090 ± 0.013
Cytoplasmic
β/γ-actin **	2.44 ± 0.30		0.24 ± 0.18
AA #	2.71	3.91	0.17	0.10

** N = 4 separate experiments, average ± standard deviation (s.d.); * N = 3 separate experiments, average ± s.d.; ^# N = 2 separate experiments.