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