>4tuyF (F:) observed residues (from ATOM records)
mytfvvrdenssvyaevsrlllatgqwkrlrkdnprfnlmlgernrlpfgrlghepglvq
lvnyyrgadklcrkaslvkliktspelsesctwfpesyviyptderevflaaynrrregr
egnvwiaksgilisseaselldfidvhviqkylekplllepghrkfdirswvlvdhlyni
ylyregvlrtssepynsanfqdktchltnhciqkeysknygryeegnemffeefnqylmd
alnttlensillqikhiirsclmciepaistkhlhyqsfqlfgfdfmvdeelkvwlievn
gapacaqklyaelcqgivdvaissvfplasifikl