>5s4sF (F:) observed residues (from ATOM records)
mytfvvrdenssvyaevsrlllatgqwkrlrkdnprfnlmlgernrlpfgrlghepglvq
lvnyyrgadklcrkaslvkliktspelsesctwfpesyviyptnltderevflaaynrrr
egregnvwiakssaggilisseaselldfideqgqvhviqkylekplllepghrkfdirs
wvlvdhlyniylyregvlrtssepynsanfqdktchltnhciqkeysknygryeegnemf
feefnqylmdalnttlensillqikhiirsclmciepaistkhlhyqsfqlfgfdfmvde
elkvwlievngapacaqklyaelcqgivdvaissvfplatsifiklhhhh