>3kx9X (X:) observed residues (from ATOM records)
sisekmvealnrqinaeiysaylylsmasyfdsiglkgfsnwmrvqwqeelmhamkmfdf
vserggrvklyaveeppsewdsplaafehvyehevnvtkrihelvemamqekdfatynfl
qwyvaeqveeeasaldiveklrligedaaallfldkelslrqf