>1s1iP (P:) observed residues (from ATOM records)
nlrtqkrlaasvvgvgkrkvwldpnetseiaqansrnairklvkngtivkkavtvhsksr
trahaqskregrhsgygkrkgtrearlpsqvvwirrlrvlrrllakyrdagkidkhlyhv
lykeskgnafkhkralvehii