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Table 2 Selection pressure analysis of sites in the coding region of ABCG2-like genes

From: Molecular evolution of the ATP-binding cassette subfamily G member 2 gene subfamily and its paralogs in birds

Model code lnL Parameters Number of positive selection sites
M0 (one ratio) −12,339.59447 ω = 0.23234 None
M1a (nearly neutral) −11,969.60128 P0 = 0.77409,P1 = 0.22591
ω0 = 0.03929, ω1 = 1
Not allowed
M2a (positive selection) −11,956.39673 P0 = 0.77460, P1 = 0.19600,P2 = 0.02940
ω0 = 0.04171, ω1 = 1, ω2 = 3.43990
16
M3 (discrete) −18,486.07613 P0 = 0.30973,P1 = 0.31583,P2 = 0.24289,ω0 = 0,ω1 = 0.11046,ω2 = 0.44219 Not allowed
M7 (beta) −11,978.85492 p = 0.10690,q = 0.34331 (p1 = 0.10000), ω = 0 Not allowed
M8 (beta&ω > 1) −11,956.1596 p0 = 0.95146,p = 0.13558,q = 0.57516, (p1 = 0.04854) ω = 2.55211 36
  1. Note: lnL refers to the logarithm of the maximum likelihood (ML)