>1nf4H (H:) observed residues (from ATOM records)
gnredrkakvievlnkaramelhaihqymnqhyslddmdygelaanmkliaidemrhaen
faerikelggepttqkegkvvtgqavpviyesdadqedatieaysqflkvckeqgdivta
rlferiieeeqahltyyenigshiknlgdtylakiagtpsstgtaskgfv