Table 2.

Percentage of each nucleotide occurrence in regAC, regBD, and random sequences.

	First-cut region		Second-cut region
	regAC	regBD	regAC	regBD	Random
A	26%	24%	30%	29%	26%
C	17%	26%	14%	21%	26%
G	26%	18%	21%	17%	25%
U	31%	33%	35%	34%	23%