and the dN/dS is the departure from the neutral substitution caused by functional constraints and selection. The larger the dN/dS value, the faster is the gene evolving due to selection. We used a standard method to calculate dN/dS
and the dN/dS is the departure from the neutral substitutioncaused by functional constraints and selection. The larger the dN/dSvalue, the faster is the gene evolving due to selection. We used astandard method to calculate dN/dS