>4y8rI (I:) observed residues (from ATOM records)
sdpssinggivvamtgkdcvaiacdlrlgsqslgvsnkfekifhyghvflgitglatdvt
tlnemfryktnlyklkeeraiepetftqlvssslyerrfgpyfvgpvvaginsksgkpfi
agfdligcideakdfivsgtasdqlfgmceslyepnlepedlfetisqallnaadrdals
gwgavvyiikkdevvkrylkmrqd