>4y9yE (E:) observed residues (from ATOM records)
nnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyqkki
ikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqkntqsy
ggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfikid
gnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi