Conservation/Mutation in the Splice Sites of Cytokine Receptor Genes of Mouse and Human

Table 6

Conservation of groups of nucleotides (underlined) in the initial hexanucleotides of the introns. Percentages are over the total of 216 couples of hexanucleotides.

Sequence	Random probability (%)	Actual (%)	Actual-expected (%)	𝑃
GTGAGx	19.29	25.46	6.17	0.02
GTGAxT	10.62	14.35	3.73	0.05
GTGxGT	11.25	15.28	4.03	0.04
GTAAGx	32.65	26.39	−6.26	0.03
GTAxGG	3.50	0.93	−2.57	0.02