# comments start with #
atom CA O N C
#atom all
# mol cards always refer to ONE chain.
mol1 a2 a141
mol2 c2 c141
mol1 b2 b146
mol2 d2 d146
#mol1 c2 c141
#mol2 a2 a141
#mol1 d2 d146
#mol2 b2 b146
# refi N will calculate RMSD without fitting
refi Y
end