>1ib1B (B:) observed residues (from ATOM records)
dknelvqkaklaeqaeryddmaacmksvteqgaelsneernllsvayknvvgarrsswrv
vssieqktegaekkqqmareyrekietelrdicndvlsllekflipnasqaeskvfylkm
kgdyyrylaevaagddkkgivdqsqqayqeafeiskkemqpthpirlglalnfsvfyyei
lnspekacslaktafdeaiaeldtlseesykdstlimqllrdnltlw