>1sq3K (K:) observed residues (from ATOM records) sisekmvealnrqinaeiysaylylsmasyfdsiglkgfsnwmrvqwqeelmhamkmfdf vserggrvklyaveeppsewdsplaafehvyehevnvtkrihelvemamqekdfatynfl qwyvaeqveeeasaldiveklrligedkrallfldkelslrq