>1s3qA (A:) observed residues (from ATOM records) sisekmvealnrqinaeiysaylylsmasyfdsiglkgfsnwmrvqwqeelmhamkmfdf vserggrvklyaveeppsewdsplaafehvyehevnvtkrihelvemamqekdfatynfl qwyvaeqveeeasaldiveklrligedkrallfldkelslrq