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Table 1 Dependence between nucleotide positions in sea urchin donor splice sites.

From: A method for identifying alternative or cryptic donor splice sites within gene and mRNA sequences. Comparisons among sequences from vertebrates, echinoderms and other groups

   j  
Consensus1 i -3 -2 -1 +3 +4 +5 +6 Sum (S i )2
a/c -3 - 69.52* 25.55* 9.26 18.04* 28.16* 19.43* 169.96*
A -2 239.52* - 61.65* 46.64* 65.36* 118.23* 88.86* 620.26*
G -1 17.87* 153.74* - 45.83* 90.60* 106.86* 163.67* 578.57*
A +3 0.57 4.81 14.81 - 23.08* 92.18* 57.77* 193.22*
A +4 26.19* 68.12* 90.26* 99.15* - 33.43 15.2 332.35*
G +5 34.95* 126.64* 104.82* 89.73* 94.86* - 146.11* 597.11*
T +6 34.68* 94.79* 162.78* 48.67* 2.77 103.4* - 447.09*
  1. 1Positions 1 and 2 (the canonical GT site) were omitted because they were invariant.
  2. 2The sum of the χ2 values (S i ; Equation 1) is shown in the column on the left.
  3. *Indicates significant values (P < 0.001)