>4ahuA (A:) observed residues (from ATOM records) sspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktvht dngsnftsttvkaacwwagikqedgipynpqsqgviesmnkelkkiigqvrdqaehlkta vqmavfihnhkrkgggysagerivdiiatdiqt