>1xxxH (H:) observed residues (from ATOM records)
gfdvaarlgtlltamvtpfsgdgsldtataarlanhlvdqgcdglvvsgttgesptttdg
ekiellravleavgdrarviagagtydtahsirlakacaaegahgllvvtpyyskppqrg
lqahftavadatelpmllydipgrsavpiepdtiralashpnivgvkdakadlhsgaqim
adtglayysgddalnlpwlamgatgfisviahlaagqlrellsafgsgdiatarkiniav
aplcnamsrlggvtlskaglrlqgidvgdprlpqvaatpeqidalaadmraasvlr