Evidence of positive Darwinian selection from site-specific model analyses for the HAMP gene of fish.

Note:P number of parameters in the ω distribution, K estimated transition/transversion rate ration, ω selection parameter, and pn proportion of sites that fall into the ωn site class. p, q shape parameters of the β function (for models M7 and M8). Only positively selected sites with posterior probability >0.95 are shown.