#for PDB structure 4cro

#following 5 lines are for RasMol 2.5 compatibility
select
spacefill off
wireframe off
ribbons off
backbone off
label off

reset
slab off
rotate z 97
rotate y 3
rotate x -178
zoom 299

select *a,*b
backbone 100
select *a
colour blue
select *b
colour cyan

select 26-37a,26-37b
colour white
backbone 200

select *g
backbone 200
colour red

select *h
backbone 200
colour orange