>5xkfF (F:) observed residues (from ATOM records)
mytfvvrdenssvyaevsrlllatgqwkrlrkdnprfnlmlgernrlpfgrlghepglvq
lvnyyrgadklcrkaslvkliktspelsesctwfpesyviyptderevflaaynrrregr
egnvwialisseaselldfideqgqvhviqkylekplllepghrkfdirswvlvdhlyni
ylyregvlrtssepynsanfqdktchltnhciqknygryeegnemffeefnqylmdalnt
tlensillqikhiirsclmciepaistkhlhyqsfqlfgfdfmvdeelkvwlievngapa
caqklyaelcqgivdvaissvfplatsifiklhh