>1biuA (A:) observed residues (from ATOM records)
cspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktvht
dngsnftsttvkaacewggikqefgqgviesmnkelkkiigqvrdqaehlktavqmavfi
hnkkrkggiggysagerivdiiatdiq