>5z9iA (A:) observed residues (from ATOM records)
aqwefhpghfwmrgkrpdkivdydeelqlwnvygypesaailsnpkvfssdtmrldpikl
deaivegdfahtdppkhrrlrglvdhaftpslvakmesrvhgiihelldgvegksqfdlv
aefaaplplimisdllgvpesdralfrqwmdkmldgsekvleqeeelhkelellwemrdy
wheraaesrkrpredlisqlvhaevdgqklndsqisnianrllvnghlttamliantmlc
ldafsdqdarvradrslvpalleesmrymspicgvgratnsevevagtvipkdqlllvwt
gaanrderqfekpdvfdagrspnahlgfgrgihfclgrqlarmeskaaveilldrlptlr
adpanpptflqvvdasgvatlpvvtq