# .cxc ChimeraX command files can be dropped in.
close session

# load 2 models with similar structure but different sequences.
open 7pmx fromDatabase pdb format mmcif
open 7pmy fromDatabase pdb format mmcif

set bgcolor white

# superpose and morph
matchmaker #2/A#2/B to #1/A#1/B pairing ss
morph #1,2 frames 12 wrap true slider true

# fix center of rotation
cofr all

# spacefill dipeptide (chain B)
select #3/B
style sel sphere
select subtract #3/B

# hide sticks of sidechains binding to dipeptide
select #3/A
hide sel atoms
select subtract all