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