>2jfbB (B:) observed residues (from ATOM records) kydgsklrigilharwnrkiidalvagavkrlqefgvkeeniiietvpgsfelpygsklf vekqkrlgkpldaiipigvlikgstmhfeyicdstthqlmklnfelgipvifgvltcltd eqaearagliegkmhnhgedwgaaavematkfn