>4nyfB (B:) observed residues (from ATOM records)
sspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktiht
dngsnftsatvkaacdwagikqedgipynpesmnkelkkiigqvrdqaehlktavqmavf
ihnkkrysagerivdiiatd