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. 2015 Apr 23;290(25):15570–15580. doi: 10.1074/jbc.M115.641431

FIGURE 6.

FIGURE 6.

sGC activity with GTP (A–C) and ATP (D) as substrate in the presence of excess NO. A, guanylate cyclase activity at various concentrations of GTP (0.001–1 mm) were fit to the Hill equation. B, data were replotted as a double reciprocal plot. C, GTP (0.001–10 mm) cyclization activity fit to non-competitive substrate inhibition (Equation 4). D, adenylate cyclase activity of sGC at various concentrations of ATP (0.01–10 mm) in the presence of excess NO (from Derbyshire et al. (30)); data fit to Equation 4. Error bars, S.E.