# # PORIN ONLY # load pdb "1prn.pdb" set frank off restrict none zoom 10 restrict protein color group cpk moveTo 2 1000 5 29 171.9 90 0 5 set echo top center font echo 25 sans bold color echo red echo "This protein is called porin." delay 2.0 echo "Porin is found in bacteria," delay 2.0 echo "Porin is found in bacteria,|where it forms a channel in the cell membrane." delay 4.0 select sidechain cpk2off #script spacefill2off.spt moveTo 1 -999 22 -32 98.1 90 0 2 delay 0.2 echo "Porin, like all proteins, is a molecular chain." color echo cyan delay 2.0 select all backbone 0.4 select backbone cpk2off #script spacefill2off.spt moveTo 3 71 -677 -732 176.1 90 -3 -3 delay 1.5 echo " " select atomno = 305 label "Here's where the chain starts." font label 20 sans set labeloffset 5 0 color label yellow delay 0.5 #flash 1st link: select 1.CA cpk off delay 0.2 cpk 70% delay 0.2 cpk off delay 0.2 cpk 70% delay 0.2 cpk off delay 0.2 cpk 70% delay 0.2 cpk off delay 0.2 cpk 70% delay 1.0 label off select atomno = 305 label "Each kink in the chain represents one link." color label red delay 1.0 select (1-11) and *.CA cpk 50% label %r font label 20 sans set labeloffset 0 0 color label yellow select 12.CA cpk 50% label "12, etc." font label 20 sans color label yellow delay 3 select atomno = 305 labels off font echo 22 sans bold echo "Try to follow the chain all the way to its end.|Click and drag on the protein to move it around." select protein