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Table 4 Positive selection analysis on mammalian sequences using site models M7 and M8 in PAML [21] (probabilistic models of variable w ratios among sites, the simpler M7 which does not allow sites with w >1 and the more general which does M8).

From: Molecular evolution and the role of oxidative stress in the expansion and functional diversification of cytosolic glutathione transferases

GST subfamily   p value (M7 vs M8)  
alpha all (31) 4.25E-03 **
  human (5) 6.61E-04 ***
  macaque (4) 1.57E-04 ***
  mouse (5) 4.48E-04 ***
  rat (4) 5.98E-01 ns
mu all (33) 5.02E-06 ***
  human (5) 4.32E-04 ***
  macaque (4) 4.90E-03 **
  mouse (7) 5.36E-01 ns
  rat (7) 3.58E-03 **
omega all (16) 1.00E+00 ns
  isoform 1 (8) 1.13E-02 *
  isoform 2 (8) 9.21E-01 ns
pi all (6) 9.87e-01 ns
sigma all (7) 3.65E-01 ns
theta all (18) 8.49E-01 ns
  isoform 1 (8) 9.85E-01 ns
  isoform 2 (6) 3.68E-01 ns
  mouse (4) 1.04E-03 **
zeta all (7) 3.26E-01 ns
  1. * 0.01 < p < 0.05; ** 0.001 < p < 0.01; *** p < 0.001; ns: non significant