begin mrbayes;

log start replace;

set autoclose = no nowarn=no;

lset applyto = (all) nst = 6 rates = invgamma;

prset applyto = (all) aamodelpr = mixed; 

unlink revmat = (all) shape = (all) pinvar = (all) statefreq = (all) tratio = (all); 

showmodel;

mcmc ngen = 15000000 printfreq = 1000 samplefreq = 100 nchains = 4 temp = 0.2 checkfreq = 50000 diagnfreq = 1000 stopval = 0.01 stoprule = yes; 

sumt relburnin = yes burninfrac = 0.25 contype = halfcompat;

sump relburnin = yes burninfrac =0.25;

outgroup 1;

log stop;

end;