>2ffsB (B:) SEQRES residues mqfehlvqvndrtlvdlpvldrlqlweglvcrarepqyfvvglerfeilvddgdrlhrrl ylpglvvedevvlkapdsahysikpsaevaggsldmtieepepgslfvrfayctrylqpl gdelpydafvkqayiamdvetiatirdrfgasaasgs