>4lyfC (C:) observed residues (from ATOM records) teyklvvvgacgvgksaltiqliqnhfvsyrkqvvidgetslldildtagqeeyrdqymr tgegfllvfainntksfedihhyreqikrvkdsedvpmvlvgnksdlpsrtvdtkqaqdl arsygipfietsaktrqgvddafytlvreirkhk