parm models/64_128seq_model1_0.pdb
trajin models/64_128seq_model?_?.pdb
autoimage
rms :3-171,191-217,222-250,275-307,325-372,385-425@CA
#strip !:1-111,121-188,198-223,233-266@CA
average crdset trjavg 
average average_rmsf.pdb pdb
#createcrd CRD1
run
rms ref trjavg :3-171,191-217,222-250,275-307,325-372,385-425@CA
atomicfluct out fluct.dat :3-171,191-217,222-250,275-307,325-372,385-425@CA byres
run