>3f4fC (C:) observed residues (from ATOM records)
kvlkiqlrsasatvptkgsataagydiyasqditipamgqgmvstdisftvpvgtygria
prsglavkngiqtgagvvdrdytgevkvvlfnhsqrdfaikkgdrvaqlilekivddaqi
vvvdsleesargaggfg