>1nf4P (P:) observed residues (from ATOM records)
gnredrkakvievlnkaramelhaihqymnqhyslddmdygelaanmkliaidemrhaen
faerikelggepttqkegkvvtgqavpviyesdadqedatieaysqflkvckeqgdivta
rlferiieeeqahltyyenigshiknlgdtylakiagtpsstgtaskgfv