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Table 1 Frequencies (%) of nucleotide changes in the chimpanzee genome and the categorized genomic regions

From: Directionality of point mutation and 5-methylcytosine deamination rates in the chimpanzee genome

Category

GC%a

No. of SNPs

A→G

T→C

G→A

C→T

A→C

T→G

G→T

C→A

A→T

T→A

G→C

C→G

Genome

40.0

588,918

16.1

16.0

17.6

17.7

4.3

4.3

4.1

4.1

3.6

3.5

4.4

4.4

Intergenic regions

39.4

376,235

16.2

16.2

17.1

17.2

4.4

4.3

4.2

4.2

3.7

3.7

4.4

4.4

Genes

41.0

164,294

15.9

15.8

18.3

18.6

4.2

4.2

3.7

3.8

3.3

3.3

4.5

4.4

Introns

39.7

84,542

16.3

15.9

17.7

18.0

4.4

4.3

3.7

3.8

3.4

3.4

4.7

4.4

Exons

51.7

4416

11.7

11.3

27.3

28.3

2.2

2.2

2.9

3.0

1.5

1.4

4.0

4.2

CpG islands

62.0

7205

8.7

9.0

23.1

22.9

2.7

3.1

5.9

6.0

1.9

1.9

7.4

7.4

  1. aGC content was calculated in the non-repetitive sequences in each genomic category except in the CpG islands.