>4no6E (E:) observed residues (from ATOM records)
nnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyqkki
ikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqkntqsy
ggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfikid
gnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi