tokens: With a GC content of 45 % the one segment would correspond to  ``  isochore H1  ''  and the other segment ( 39 % GC in human , 40 % GC in mouse ) to  ``  isochore L1 / L2  ''  .
folded_tokens: with a gc content of 45 % the one segment would correspond to  ``  isochore h1  ''  and the other segment ( 39 % gc in human , 40 % gc in mouse ) to  ``  isochore l1 / l2  ''  .