SelectMol ''
RemoveMol
ReadPdb ./final.pdb 
StyleBond line 
LineBond solid 2 
SelectAtom ':40-122,340-422 & bb' 
Fit to_first 'selected' 
DefPropAtom 'displayed' 'bb' 
DefPropBond 'displayed' 'bb'
SelectRes ''
ColorBond 0.5 0.5 0.5
#SelectRes ':116-133,240-247,79-82'
#StyleBond invisible
DefPropRes 'monomer1' ':40-122'
DefPropRes 'monomer2' ':340-422'

SelectRes 'monomer1'
ColorBond 0.8 0.0 0.8

SelectRes 'monomer2'
ColorBond 0.0 0.8 0.2

Fog linear 0.1 11 17