restrict none center protein background white select protein hbonds off zoom 100 echo It is only beginning refresh pause select protein color grey ribbons select 53-71 color blue echo Enjoy the alpha-helix refresh pause restrict 53-71 zoom 300 center 53-71 echo Enjoy the alpha-helix once more refresh pause select 53-71 ribbons off select 53-71 and backbone wireframe 50 color cpk hbonds on select 53-71 and *.CA label ----------------%r echo Wireframe helix refresh pause select 53-71 and backbone wireframe 30 select 53-71 and *.CB spacefill 100 color red select 53-71 and (*.CB or *.CA) wireframe 15 echo Alpha backbone and sidechain first atoms refresh pause restrict none select protein hbonds off echo That is all refresh