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Table 2 Site-specific analysis of CYP2J19 for 43 avian species in PAML

From: Evolution of CYP2J19, a gene involved in colour vision and red coloration in birds: positive selection in the face of conservation and pleiotropy

Model Parameter estimates lnL Model comparison LRT Statistic df P-value Positively selected sites under BEB P > 95% (bold: P > 99%)
M0 ω0 = 0.147 −12,990.709      
M1a ω0 = 0.056 p0 = 0.868 ω1 = 1.000 p1 = 0.132 −12,561.580      
M2a ω0 = 0.056 p0 = 0.868 ω1 = 1.000 p1 = 0.077 ω2 = 1.000 p2 = 0.055 −12,561.580 M1a vs. M2a 0.000 2 1.000  
M7 p = 0.168 q = 0.788 − 12,533.632      
M8 p0 = 0.935 (p1 = 0.065) p = 0.302 q = 2.898 ωs = 1.383 −12,502.845 M7 vs. M8 61.574 2 0.000* 37, 122, 329, 455, 474
  1. Underlined sites fall within predicted functional domains for CYP2 proteins annotated in Almeida et al. 2016 [22]
  2. *Significant result at p < 0.01