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Table 2 “Species”-level comparison of “shared peptides” between bonobos and chimpanzees for the three loci A, B and C

From: Reduced bonobo MHC class I diversity predicts a reduced viral peptide binding ability compared to chimpanzees

Locus

A

B

C

Total no. bound peptides

247,209

409,677

249,775

Percentage of shared peptides

61.06

15.13

24.39

Percentage of peptides bound only by bonobos

2.51

0.32

1.98

Percentage of peptides bound only by chimpanzees

36.42

84.54

73.63

  1. This comparison includes all reported MHC class I molecules for both species. The total number of bound peptides contains all peptides bound by bonobo MHC molecules and by chimpanzee MHC molecules. We excluded peptides identical to those already included. All percentages in this comparison refer to the total number of bound peptides