>4ahrB (B:) observed residues (from ATOM records) sspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktvht dngsnftsttvkaacwwagikqedgipynpqsqgviesmnkelkkiigqvrdqaehlkta vqmavfihnhkrkgggysagerivdiiatdiqt