>6citA (A:) observed residues (from ATOM records) vqfklvlvgdggtgkttfvkrhltgefekkyvatlgvevhplvfhtnrgpikfnvwdtag qekfgglrdgyyiqaqcaiimfdvtsrvtyknvpnwhrdlvrvcenipivlcgnkvdikd rkvkaksivfhrkknlqyydisaksnynfekpflwlarkligdpnlefvampalappevd palaaqyehdlevaqttalpdedddl