>4cfaA (A:) observed residues (from ATOM records)
spgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktvhtd
ngsnftsttvkaacwwagikqedgipynpqsqgviesmnkelkkiigqvrdqaehlktav
qmavfihnhkrkgysagerivdiiatdiq