>1s3qK (K:) observed residues (from ATOM records)
sisekmvealnrqinaeiysaylylsmasyfdsiglkgfsnwmrvqwqeelmhamkmfdf
vserggrvklyaveeppsewdsplaafehvyehevnvtkrihelvemamqekdfatynfl
qwyvaeqveeeasaldiveklrligedkrallfldkelslrq