>2ffsB (B:) observed residues (from ATOM records)
mqfehlvqvndrtdlpvldrlqlweglvcrarepqyfvvglerfeilvddgdrlhrrlyl
pglvvedevvlkapdsahysikpsaevaggsldmtieepepgslfvrfayctrylqpdel
pydafvkqayiamdvetiatirdrf