#for PDB structure 8gch
#
reset
select 
wireframe off
spacefill off
ribbon off
strands off
labels off

structure
select 42-49,50-56,86-92,101-110
ribbon
colour cyan

select 28-35,63-69,81-85
ribbon
colour red

select (42,46,52,54,88,106,108) and sidechain
colour blue
spacefill
select (83,85,66,68,31,33) and sidechain
colour brown
spacefill

centre val66.CB

rotate z -161
rotate y 42
rotate x -167
translate x -22
translate y 7
zoom 203
centre val66.CB

#the following commands show the end-on view
#reset
#rotate y 62
#rotate x -15
#translate x -21
#translate y 6
#zoom 203