>1sq3F (F:) observed residues (from ATOM records) sisekmvealnrqinaeiysaylylsmasyfdsiglkgfsnwmrvqwqeelmhamkmfdf vserggrvklyaveeppsewdsplaafehvyehevnvtkrihelvemamqekdfatynfl qwyvaeqveeeasaldiveklrligedkrallfldkelslrq