>2nufA (A:) observed residues (from ATOM records)
kmleqlekklgytfkdksllekalthvsyskkehyetleflgdalvnffivdllvqyspn
kregflsplkayliseeffnllaqklelhkfirikrgkinetiigdvfealwaavyidsg
rdanftrelfyklfkedilsaikegrvkkdyktilqeitqkrwkerpeyrlisvegphhk
kkfiveakikeyrtlgegkskkeaeqraaeelikllees