Balancing selection and recombination as evolutionary forces caused population genetic variations in golden pheasant MHC class I genes

Table 1 Nucleotide and amino acid distances of MHC I alleles for the golden pheasant

Locus	No. of alleles	K2P nucleotide distance			Poisson-corrected amino acid distance
		All sites	PBR	Non-PBR	All sites	PBR	Non-PBR
IA1
-E2 (254 bp)	14	2.9 (0.6)	2.1 (0.1)	3.1 (0.8)	6.6 (2.8)	4.4 (2.4)	7.4 (2.1)
-E3 (236 bp)	11	10.5 (1.6)	17.2 (5.4)	3.1 (0.8)	13.6 (2.8)	24.4 (8.9)	10.8 (2.9)
IA2
-E2 (251 bp)	27	14.7 (1.9)	30.0 (7.5)	11.3 (1.7)	24.6 (4.1)	55.9 (21.9)	18.5 (3.7)
-E3 (253 bp)	28	14.7 (1.9)	30.0 (7.5)	11.3 (1.7)	24.6 (4.1)	55.9 (21.9)	18.5 (3.7)

Notes: Nucleotide distances were corrected for multiple substitutions with the Kimura 2-parameter model (K2P), and amino acid distances were corrected using expectations from the Poisson distribution. Distance values are given as percentages per site, with standard errors based on 1,000 bootstrap replicates (given in parentheses)

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