>4l4tC (C:) observed residues (from ATOM records)
mrthslryfrlgvsdpivpefisvgyvdshpittydsvtrqkeprapwmaenlapdhwer
ytqllrgwqqmfkvelkrlqrhynhsgshtyqrmigcelledgsttgflqyaydgqdfli
fnkdtlswlavdnvahtikqaweanqhellyqknwleeeciawlkrfleygkdtlqrtep
plvrvnralfckahgfyppeiymtwmkngeidygdilpsgdgtyqawasiesnlyschve
hsgvhmvlqv