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Table 4 HomoloGene data for genes with or without paralogs

From: Divergence of imprinted genes during mammalian evolution

group

genesa

protein identity ± std.dev. (%)

cDNA identity ± std.dev. (%)

Ka/Ks ± std.dev.

Ks ± std.dev.

imprinted human-mouse with paralogs

32

85.0 ± 10.8**

83.6 ± 5.9**

0.131 ± 0.106*

0.678 ± 0.189

imprinted human-mouse without paralogs

20

82.7 ± 11.6

83.3 ± 7.3

0.165 ± 0.116

0.623 ± 0.294

genome human-mouse with paralogs

7235/

7228

88.2 ± 10.5

85.7 ± 5.9

0.105 ± 0.096

0.625 ± 0.229

genome human-mouse without paralogs

7765/

7756

83.7 ± 11.9

83.4 ± 6.4

0.145 ± 0.112

0.656 ± 0.212

imprinted mouse-rat with paralogs

28

94.8 ± 3.4

93.9 ± 2.0

0.120 ± 0.081

0.211 ± 0.066

imprinted mouse-rat without paralogs

18/

17

95.1 ± 3.1

95.2 ± 2.2***

0.166 ± 0.102

0.148 ± 0.072***

genome mouse-rat with paralogs

7638/

7636

94.3 ± 6.4

93.5 ± 3.4

0.125 ± 0.138

0.224 ± 0.096

genome mouse-rat without paralogs

7509/

7505

93.0 ± 6.4

92.9 ± 3.4

0.155 ± 0.143

0.229 ± 0.082

  1. aThe second number refers to sequences available in the HomoloGene database for Ka/Ks analyses. * p < 0.1, ** p < 0.05, *** p < 0.002 (Wilcoxon test for comparison of the respective imprinted group to genome data)