kappa = 7.00103
omega = 0.115258
phi0A = 0.347391
phi0C = 0.164473
phi0G = 0.319338
phi1A = 0.396137
phi1C = 0.153713
phi1G = 0.238411
phi2A = 0.309443
phi2C = 0.202901
phi2G = 0.264388