>5u2bF (F:) observed residues (from ATOM records)
kknslalsltadqmvsalldaeppilyssmmglltnladrelvhminwakrvpgfvdltl
hdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcvegmveifdmllats
srfrmmnlqgeefvclksiillnsgtlksleekdhihrvldkitdtlihlmakagltlqq
qhqrlaqlllilshirhmsnkgmehlysmkcklsdlllemldahr