>3jsnA (A:) observed residues (from ATOM records)
dlssrvnelhdllnqysyeyyseydkllhelikieeehpeyktvdsptvrvggeaqasfn
kvnhdtpmlslgnafneddlrkfdqrireqignveymcelkidglavslkyvdgyfvqgl
trgdgttgeditenlktihaiplkmkeplnvevrgeaymprrsflrlneekekndeqlfa
nprnaaagslrqldskltakrklsvfiysvndftdfnarsqsealdeldklgfttnknra
rvnnidgvleyiekwtsqreslpydidgivikvndldqqdemgftqksprwaiaykf