2*Pstat_sol -> PstatDimer_sol
PstatDimer_sol -> 2*Pstat_sol
Pstat_nuc -> stat_nuc
stat_nuc -> Pstat_nuc
stat_sol -> Pstat_sol + species_test
Pstat_sol + species_test -> stat_sol
2*Pstat_nuc -> PstatDimer_nuc
PstatDimer_nuc -> 2*Pstat_nuc
PstatDimer_sol -> PstatDimer_nuc
PstatDimer_nuc -> PstatDimer_sol
stat_sol -> stat_nuc
stat_nuc -> stat_sol
stat_sol -> stat_nuc
stat_nuc -> stat_sol