>1ib1D (D:) observed residues (from ATOM records)
dknelvqkaklaeqaeryddmaacmksvteqgaelsneernllsvayknvvgarrsswrv
vssieqktegaekkqqmareyrekietelrdicndvlsllekflipnasqaeskvfylkm
kgdyyrylaevaagddkkgivdqsqqayqeafeiskkemqpthpirlglalnfsvfyyei
lnspekacslaktafdeaiaeldtlseesykdstlimqllrdnltlw