>1nf4N (N:) observed residues (from ATOM records)
nredrkakvievlnkaramelhaihqymnqhyslddmdygelaanmkliaidemrhaenf
aerikelggepttqkegkvvtgqavpviyesdadqedatieaysqflkvckeqgdivtar
lferiieeeqahltyyenigshiknlgdtylakiagtpsstgtaskgfv