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