≈≈set echo top left
restrict protein
cartoon on
wireframe off
cpk off
color chains
echo   "Protein structure with colored chains"
pause
resume
color structure
echo   "Protein structure with colored alpha-helixes and beta-strands"
pause
resume
select zn or mes or edo; cpk 30%; wireframe 50%; color cpk
echo   "Protein structure with ligands"
pause
resume
select protein; cartoon off; cpk on; color cpk
select zn or mes or edo; cpk off; wireframe off
echo  "Protein structure with colored elements"
pause
resume
zoom 300
center 839:b
restrict 829-850:b and backbone; wireframe 70%; color cpk; cartoon off; cpk off
hbonds calculate
echo  "Alpha-helix with calculated hydrogen bonds"
pause
resume
zoom 150
hbonds delete
restrict a
restrict 714-725 and backbone; wireframe 70%; color cpk; cartoon off
hbonds calculate
echo   "Beta-strand with calculated hydrogen bonds"
pause
resume
load =5pxl