>1nf6N (N:) observed residues (from ATOM records)
gnredrkakvievlnkaramelhaihqymnqhyslddmdygelaanmkliaidemrhaen
faerikelggepttqkegkvvtgqavpviyesdadqedatieaysqflkvckeqgdivta
rlferiieeeqahltyyenigshiknlgdtylakiagtpsstgtaskgfv