Relative Abundances (Blaisdell et al. (1996)
Class u  Genome Name           Y_1 = CG   Y_2 = GC    Y_3 = TA    Y_4= AT    n_u 
   1     tmp enteric dsDNA    [98, 108]  [120, 126]  [69, 76]    [100, 109]   5
   2     tmp nonenteric dsDNA [59, 108]  [91, 107]   [51, 92]    [ 96,  99]   2
   3     lyt dsDNA            [88, 125]  [88, 154]   [82, 91]    [85, 112]    6  
   4     fil ssDNA            [80, 101]  [117, 133]  [68, 89]    [92,  97]    4  
   5     lyt ssDNA            [81,  99]  [108, 129]  [76, 86]    [93,  95]    3  
   6     RNA                  [104,113]  [96, 102]   [67, 95]    [94,  99]    3