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Table 3 The signature of positive selection in β1 domain regions of two Rhsi-DABs. Data comprise the number of residues (Codon), ratio of nonsynonymous vs synonymous substitution (dN/dS) and the significance of Z test (P)

From: Polymorphism of MHC class IIB in an acheilognathid species, Rhodeus sinensis shaped by historical selection and recombination

Region

DAB1 β1

DAB3 β1

Codon

dN/dS

P

Codon

dN/dS

P

PBR

19

2.929

0.001

19

1.940

0.123

Non-PBR

72

1.091

0.395

72

0.798

1.000

Total

91

1.533

0.037

91

1.034

0.045

  1. Statistical significance (< 0.05) was highlighted with bold