Table 5.

Signal ratios of SNPs are independent from the chemical class (pyrimidine or purine) of the bases present in the probe and sample alleles.

	PAO1 allele (probe)a	PA14 allele (sample)a	abundance	median signal ratio	sensitivityb
transitions	Y	Y	12315	-0.44	46.9%
	R	R	12681	-0.43	45.8%
transversions	R	Y	3353	-0.44	46.9%
	Y	R	3236	-0.37	43.0%
	Σ		31585	-0.43	45.9%

^a Y – IUPAC format for pyrimidine bases (C, T), R – purine bases (A, G).

^b determined for D_th = -0.5.