>5lxtF (F:) observed residues (from ATOM records)
mytfvvrdenssvyaevsrlllatgqwkrlrkdnprfnlmlgernrlpfgrlghepglvq
lvnyyrgadklcrkaslvkliktspelsesctwfpesyviyptnltderevflaaynrrr
egregnvwiakssagagilisseaselldfideqgqvhviqkylekplllepghrkfdir
swvlvdhlyniylyregvlrtssepynsanfqdktchltnhciqkeysknygryeegnem
ffeefnqylmdalnttlensillqikhiirsclmciepaistkhlhyqsfqlfgfdfmvd
eelkvwlievngapacaqklyaelcqgivdvaissvfplaptsifiklhhhhhh