>3gj4A (A:) observed residues (from ATOM records)
qvqfklvlvgdggtgkttfvkrhltgesekkyvatlgvevhplvfhtnrgpikfnvwdta
gqekfgglrdgyyiqaqcaiimfdvtsrvtyknvpnwhrdlvrvcenipivlcgnkvdik
drkvkaksivfhrkknlqyydisaksnynfekpflwlarkligdpnlefvampalappev
vmdpalaaqyehdlevaqtta