>4ah9B (B:) observed residues (from ATOM records)
sspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktvht
dngsnftsttvkaacwwagikqedgipynpqsqgviesmnkelkkiigqvrdqaehlkta
vqmavfihnhkrkgysagerivdiiatdiq