>4hb4A (A:) observed residues (from ATOM records)
qvqfklvlvgdggtgkttfvkrhltgefekkyvatlgvevhplvfhtnrgpikfnvwdta
gqekfgglrdgyyiqaqcaiimfdvtsrvtyknvpnwhrdlvrvcenipivlcgnkvdik
drkvkaksivfhrkknlqyydisaksnynfekpflwlarkligdpnlefvampalappev
vmdpalaaqyehdlevaqttalpdedddl