Table 2. Type I and type II divergence between the OPN4 paralogs and the teleost lineage-specific duplications.
OPN4x/OPN4m | OPN4x2/OPN4x1 | OPN4m3/OPN4ma | |
Residues | 294 | 339 | 330 |
θI ± se | 0.349±0.059* | 0.039±0.082 | 0.181±0.082* |
z I | 6.362 | 0.712 | 3.336 |
p–value | 0.000 | 0.238 | 0.000 |
θII ± se | 0.126±0.084* | 0.044±0.058 | 0.048±0.061 |
z II | 2.166 | 0.799 | 0.874 |
p–value | 0.016 | 0.212 | 0.191 |
θI and θII are the coefficients of type I and II functional divergence. Asterisks (*) mark results with statistical significance at 5% level of confidence and se denotes the standard error.