>2nugB (B:) observed residues (from ATOM records)
mleqlekklgytfkdksllekalthvsyskkehyetleflgdalvnffivdllvqyspnk
regflsplkayliseeffnllaqklelhkfirikrgkinetiigdvfealwaavyidsgr
danftrelfyklfkedilsaikegrvkkdyktilqeitqkrwkerpeyrlisvegphhkk
kfiveakikeyrtlgegkskkeaeqraaeelikllees