parm models/znt8_64128_*_0.pdb
trajin models/znt8_64128_*_?.pdb
trajin models/znt8_64128_*_??.pdb
autoimage
rms :66-123,138-193,215-275@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 :66-123,138-193,215-275@CA
atomicfluct out fluct.dat :66-123,138-193,215-275@CA byres
run