>4eu2F (F:) observed residues (from ATOM records)
rnnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyqkk
iikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqkntqs
yggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfiki
dgnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi