>2f4vD (D:) observed residues (from ATOM records)
gryigpvcrlcrregvklylkgercyspkcamerrpyppgqhgqkrarrpsdyavrlrek
qklrriygiserqfrnlfeeaskkkgvtgsvflgllesrldnvvyrlgfavsrrqarqlv
rhghitvngrrvdlpsyrvrpgdeiavaeksrnlelirqnleamkgrkvgpwlsldvegm
kgkflrlpdredlalpvqenlviefysr