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Table 3 Normalized frequencies (%) of nucleotide changes in the chimpanzee genome and the categorized genomic regions after excluding CpG→TpG/CpA SNPs

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

Category

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

518,494

14.9

14.8

16.1

16.2

4.0

4.0

5.6

5.7

3.3

3.3

6.2

6.1

Intergenic regions

333,959

14.7

14.6

16.0

16.1

4.0

3.9

5.9

5.9

3.4

3.3

6.1

6.1

Genes

142,516

15.2

15.2

16.3

16.3

4.1

4.0

5.1

5.3

3.2

3.1

6.2

6.1

Introns

74,355

15.0

14.6

16.5

16.5

4.1

3.9

5.2

5.3

3.1

3.1

6.5

6.1

Exons

3074

17.5

16.8

17.3

17.9

3.2

3.3

4.1

4.2

2.3

2.0

5.6

5.8

CpG islands

5889

14.4

14.9

14.0

13.8

4.5

5.2

5.9

6.0

3.2

3.1

7.5

7.4