/usr/share/ncbi/data/KSpur.flt is in ncbi-data 6.1.20120620-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | ; comments must have a semicolon in the first column or else
; unpredictable behavior after reading the file will result
; the first value is the type of filter; the second is info; then data
1 1 = filter 2 = matrix
250 if 1, window if 2, cutoff
100 { symbol "A", name "Adenine" },
33 { symbol "B" , name "G or T or C" },
0 { symbol "C", name "Cytosine" },
67 { symbol "D", name "G or A or T" },
; { symbol "", name "" },
; { symbol "", name "" },
100 { symbol "G", name "Guanine" },
33 { symbol "H", name "A or C or T" } ,
; { symbol "", name "" },
; { symbol "", name "" },
50 { symbol "K", name "G or T" },
; { symbol "", name ""},
50 { symbol "M", name "A or C" },
50 { symbol "N", name "A or G or C or T" } ,
; { symbol "", name "" },
; { symbol "", name "" },
; { symbol "", name ""},
100 { symbol "R", name "G or A"},
50 { symbol "S", name "G or C"},
0 { symbol "T", name "Thymine"},
; { symbol "", name ""},
67 { symbol "V", name "G or C or A"},
50 { symbol "W", name "A or T" },
; { symbol "", name ""},
0 { symbol "Y", name "T or C"}
|