>2q16B (B:) observed residues (from ATOM records)
kvvlatgnvgkvrelasllsdfgldivaqtdlgvdsaeetgltfienailkarhaakvta
lpaiadasglavdvlggapgiysarysgedatdqknlqklletmkdvpddqrqarfhcvl
vylrhaedptplvchgswpgvitrepagtggfgydpiffvpsegktaaeltreeksaish
rgqalkllldalr