>4f21F (F:) observed residues (from ATOM records) snamnyelmepakqarfcviwlhglghdfvdivnyfdvsldeirfifphadimgmqmraw ydiksveginssiakvnklidsqvnqgiaseniilagfsqggiiatytaitsqrklggim alstylpawdnfkgkitsinkglpilvchgtddqvlpevlghdlsdklkvsgfaneykhy vgmqhsvcmeeikdisnfiaktfki