The activity of Cu,Zn-superoxide disumutase Sod1.

<p>Sod1 activity in <i>S. cerevisiae</i> L5685 or L5685<i>Δmac1</i> cells was measured before or after exposure to 39°C in the absence (A) or presence (B) of 100 mM NAME. The values are the means and standard deviations of three independent experiments. *<i>p</i><0.05 by Student's <i>t</i> test.