# Searching for sequence motifs characteristic for porins.
#
# 2004/04/26

# Hide water and other hetero atoms:
select hetero
hide

# Draw just a backbone, using blue color:
select complement
show
backbone 4
color cyan-blue

# Select the first characteristic pattern:
pattern = TYR TRP PHE / * / LEU VAL / * / LEU VAL ALA GLY 
select pattern
color red

# Select the second characteristic pattern:
pattern = LEU VAL ALA GLY / * / LEU VAL / * / TYR TRP PHE
select pattern
color yellow