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Table 1 Effects of L-arginine on the enzymatic activity of arginine-resistant and wild-type mouse NAGS.

From: Inversion of allosteric effect of arginine on N-acetylglutamate synthase, a molecular marker for evolution of tetrapods

  Specific Activity
(μmol min-1mg-1)
Mouse NAGS   +1 mM Arginine
Wild-type 12.27 ± 0.19a 25.56 ± 0.43
F121C 12.22 ± 0.15 13.08 ± 0.07
E354A 15.47 ± 0.22 15.28 ± 0.33
G360P 13.00 ± 0.12 12.57 ± 0.38
G362S 3.22 ± 0.01 3.19 ± 0.09
  1. aActivities are averages of three measurements and their associated standard errors