>1a2kC (C:) observed residues (from ATOM records)
qvqfklvlvgdggtgkttfvkrhltgefekkyvatlgvevhplvfhtnrgpikfnvwdta
gqekfgglrdgyyiqaqcaiimfdvtsrvtyknvpnwhrdlvrvcenipivlcgnkvdik
drkvkaksivfhrkknlqyydisaksnynfekpflwlarkligdpnlefvampalappev
vmdpalaaqyehdlev