Table 2

Parameter estimates and results from four selection models as implemented in CODEML
Model Log-likelihood Parameter estimates Positively selected sites
M1a (nearly neutral) -576.502 p0 = 0.385, p1 = 0.615, ω0 = 0.038, Not allowed
ω1 = 1.000
M2a (positive selection) -574.685 p0 = 0.311, p1 = 0.628, p2 = 0.061 , None
ω0 = 0.000, ω1 = 1.000 , ω2 = 4.847
M7 (beta) -576.474 p = 0.033, q = 0.018 Not allowed
M8 (beta and omega) -574.720 p0 = 0.941, p1 = 0.059, p = 0.028, 37 N
q = 0.015, ω = 4.612

van Rensburg et al.

van Rensburg et al. BMC Evolutionary Biology 2012 12:143   doi:10.1186/1471-2148-12-143

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