Refactor demo scripts to improve formatting and update residue references in cartoon and sticks demos.

Author: FridrichMethod

scripts/demos/cartoon.pml

@@ -5,7 +5,7 @@ remove chain B
 
 # set the color scheme
 spectrum b, rainbow2, pol.
-util.cba(144,"resn SEP",_self=cmd)
+util.cba(144, "resn SEP", _self=cmd)
 
 # set the view
 show spheres, resn SEP

scripts/demos/sticks.pml

@@ -6,13 +6,13 @@ remove resn SO4
 # set the color scheme
 color grey80, pol.
 set cartoon_transparency, 0.8
-util.cba(11,"resn LAQ",_self=cmd)
-util.cba(5274,"br. resn LAQ a. 4",_self=cmd)
+util.cba(11, "resn LAQ", _self=cmd)
+util.cba(5274, "br. resn LAQ a. 3.5", _self=cmd)
 
 # set the view
-show sticks, br. resn LAQ a. 4
+show sticks, br. resn LAQ a. 3.5
 orient
-zoom br. resn LAQ a. 4
+zoom (br. resn LAQ a. 3.5) + resn LAQ
 
 # render & save
 ray 1920, 1080

scripts/demos/surface.pml

@@ -7,7 +7,7 @@ remove sol.
 color_deep lightblue, resi 1-61
 color_deep palegreen, resi 62-270
 color_deep lightpink, resi 271-320
-util.cba(144,"resn BTX",_self=cmd)
+util.cba(144, "resn BTX", _self=cmd)
 
 # set the view
 show surface, pol.