>1ub3D (D:) observed residues (from ATOM records)
dlaahidhtllkptatleevakaaeealeygfyglcippsyvawvraryphapfrlvtvv
gfplgyqekevkaleaalacargadevdmvlhlgrakagdldyleaevravreavpqavl
kviletgyfspeeiarlaeaairggadflktstgfgprgasledvallvrvaqgraqvka
aggirdretalrmlkagasrlgtssgvalva