>2fsrA (A:) observed residues (from ATOM records)
grenlyfsiptlrterltlrplamadfpayrdfmasprstgvggpydlpstwgvfchdla
nwhffghgalmidlgetgecigqiginhgplfpekelgwllyeghegrgyaaeaavalrd
wafetlnlptlvsyvspqnrksaavaeriggtldplaprsdpedlvyryhq