>4qv0S (S:) observed residues (from ATOM records)
nnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyqkki
ikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqkntqsy
ggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfikid
gnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi