>4lyfA (A:) observed residues (from ATOM records)
mteyklvvvgacgvgksaltiqliqnhfvdedsyrkqvvidgetslldildtagqeeysa
mrdqymrtgegfllvfainntksfedihhyreqikrvkdsedvpmvlvgnksdlpsrtvd
tkqaqdlarsygipfietsaktrqgvddafytlvreirkhk