>1yz9A (A:) observed residues (from ATOM records)
mkmleqlekklgytfkdksllekalthvsyskkehyetleflgdalvnffivdllvqysp
nkregflsplkayliseeffnllaqklelhkfirikrgkinetiigdvfqalwaavyids
grdanftrelfyklfkedilsaikegrvkkdyktilqeitqkrwkerpeyrlisvegphh
kkkfiveakikeyrtlgegkskkeaeqraaeelikllees