>1k5dA (A:) observed residues (from ATOM records)
qvqfklvlvgdggtgkttfvkrhltgefekkyvatlgvevhplvfhtnrgpikfnvwdta
gqekfgglrdgyyiqaqcaiimfdvtsrvtyknvpnwhrdlvrvcenipivlcgnkvdik
drkvkaksivfhrkknlqyydisaksnynfekpflwlarkligdpnlefvampalappev
vmdpalaaqyehdlevaqttalpded