restrict none moveto 0.0 { -114 828 -548 104.7} 139.1 0.0 0.0 {1.0799427 11.113775 -26.66997} 56.1; set echo line1 50% 99% color echo white echo "Alcohol dehydrogenase..." delay 1 select :a and protein color atoms white select [nad] and :a color cpk select :a and protein; spacefill 10%; delay 0.1; spacefill 20%; select [nad] and :a; wireframe 0.1; delay 0.1; select :a and protein; spacefill 30%; delay 0.1; spacefill 40%; select [nad] and :a; wireframe 0.2; delay 0.1; select :a and protein; spacefill 50%; delay 0.1; spacefill 60%; select [nad] and :a; wireframe 0.3; delay 0.1; select :a and protein; spacefill 70%; delay 0.1; spacefill 80%; select [nad] and :a; wireframe 0.4; delay 0.1; select :a and protein; spacefill 90%; delay 0.1; spacefill 100%; select [nad] and :a; wireframe 0.5; delay 0.1; select :a delay 2; cartoons on; color cartoons white; moveto 1.0 { -114 828 -548 104.7} 139.1 0.0 0.0 {3.2890625 4.7658844 -46.918552} 56.1; delay 1 echo "Alcohol dehydrogenase...|actually consists of two identical subunits." delay 2 select :b and protein color atoms chain select [nad] and :b color cpk select :b and protein; spacefill 10%; delay 0.1; spacefill 20%; select [nad] and :b; wireframe 0.1; delay 0.1; select :b and protein; spacefill 30%; delay 0.1; spacefill 40%; select [nad] and :b; wireframe 0.2; delay 0.1; select :b and protein; spacefill 50%; delay 0.1; spacefill 60%; select [nad] and :b; wireframe 0.3; delay 0.1; select :b and protein; spacefill 70%; delay 0.1; spacefill 80%; select [nad] and :b; wireframe 0.4; delay 0.1; select :b and protein; spacefill 90%; delay 0.1; spacefill 100%; select [nad] and :b; wireframe 0.5; delay 0.1; select :b cartoons on; color cartoons chain; delay 2; select protein; spacefill 90%; delay 0.1; spacefill 80%; delay 0.1; spacefill 70%; delay 0.1; spacefill 60%; delay 0.1; spacefill 50%; delay 0.1; spacefill 40%; delay 0.1; spacefill 30%; delay 0.1; spacefill 20%; delay 0.1; spacefill 10%; delay 0.1; spacefill off delay 2 move 0 0 180 0 0 0 0 0 2 delay 3 echo "The forces that hold subunits together include|hydrogen bonds (blue) and|hydrophobic interactions (dark pink)." delay 3 moveto 2.0 { -791 99 603 158.8} 759.6 0.0 0.0 {3.2890625 4.7658844 -46.918552} 56.1; delay 1 select :a and within(group, within(4.0, :b)) and not nad define ~a_connected selected select (:b and within(group, within(4.0, :a)) and not nad) define ~b_connected selected select ~a_connected or ~b_connected define ~ab_connected selected select ~b_connected spacefill 10%; delay 0.1; spacefill 20%; delay 0.1; spacefill 30%; delay 0.1; spacefill 40%; delay 0.1; spacefill 50%; delay 0.1; spacefill 60%; delay 0.1; spacefill 70%; delay 0.1; spacefill 80%; delay 0.1; spacefill 90%; delay 0.1; spacefill 100%; delay 0.1; cartoon off delay 1 select all hbonds 0.15 #delay 3 #moveto 1.0 { -791 99 603 158.8} 147.8 0.0 0.0 {3.2890625 4.7658844 -46.918552} 56.1; delay 3 select ~a_connected color atoms translucent spacefill 10%; delay 0.1; spacefill 20%; delay 0.1; spacefill 30%; delay 0.1; spacefill 40%; delay 0.1; spacefill 50%; delay 0.1; spacefill 60%; delay 0.1; spacefill 70%; delay 0.1; spacefill 80%; delay 0.1; spacefill 90%; delay 0.1; spacefill 100%; delay 0.1; cartoon off delay 1 moveto 1.0 { -906 56 419 156.8} 759.6 0.0 0.0 {3.2890625 4.7658844 -46.918552} 56.1; delay 3 moveto 1.0 { -791 99 603 158.8} 759.6 0.0 0.0 {3.2890625 4.7658844 -46.918552} 56.1; delay 3 select all color atoms opaque delay 2 moveto 1.0 { -791 99 603 158.8} 147.8 0.0 0.0 {3.2890625 4.7658844 -46.918552} 56.1; delay 0.5 echo "The subunits fit together closely,|like pieces of a 3D jigsaw puzzle." select protein