Table 3 Proportions of nucleotide differences at 4-fold, FEI sites and first introns. Standard errors are shown in parentheses
From: Patterns of selective constraints in noncoding DNA of rice
Sites | Type of nucleotide change | |||||
|---|---|---|---|---|---|---|
|  | A↔C | C↔G | A↔G | T↔C | A↔T | T↔G |
4-fold sites | 0.0132 (0.0015) | 0.0155 (0.0017) | 0.0283 (0.0024) | 0.0211 (0.0021) | 0.0126 (0.0017) | 0.0130 (0.0017) |
FEI | 0.0187 (0.0020) | 0.0193 (0.0025) | 0.0384 (0.0029) | 0.0355 (0.0025) | 0.0200 (0.0018) | 0.0178 (0.0018) |
First intron | 0.0092 (0.0014) | 0.0127 (0.0018) | 0.0196 (0.0021) | 0.0233 (0.0021) | 0.0098 (0.0013) | 0.0094 (0.0014) |