load 3HZB.pdb
select :B
color white
select :C
color green
select :D
color yellow
select :E
color magenta
select :F
color orange
color red
select :G
color orange
select :H
color pink
select water
select :A
color brown
select water
color aqua
select ca
color lightgreen
ribbons 100
ribbons 200
ribbons off
backbone off
select ca
select all
ribbons 200
wireframe 50
background black
rotate x 90