>1nngB (B:) observed residues (from ATOM records)
ftdkngrqskgvlllrtlampsdtnangdifggwimsqmdmggailakeiahgrvvtvav
esmnfikpisvgdvvccygqclkvgrssikikvevwvkkvasepigerycvtdavftfva
vdnngrsrtiprennqelekalaliseq