Table 2.
Frequent haploblocks of GCH1 in European Americans
| Haplotype | Frequency | |
| Haploblock 1 | A_G_T_C | 0.55 |
| A_G_C_C | 0.25 | |
| T_A_C_T | 0.17 | |
| total | 0.98 | |
| Haploblock 2 | A_A_T_C_C | 0.55 |
| G_T_C_T_G | 0.18 | |
| G_A_T_T_C | 0.17 | |
| G_A_T_C_C | 0.09 | |
| total | 0.99 | |
| Haploblock 3 | G_C_G_T_C_A_C_G_G_A_A_C_T_T_G_G_C_T_A_C_A_A_T_C_G_C_G_C_C | 0.29 |
| G_C_A_T_C_G_C_G_C_A_A_C_C_T_C_A_C_A_C_T_G_G_C_T_A_T_G_G_T | 0.19 | |
| G_T_G_C_A_A_T_A_C_G_G_A_C_C_G_G_C_T_A_C_A_A_T_C_G_C_T_C_C | 0.15 | |
| G_C_G_T_C_A_C_G_G_A_A_C_T_T_G_A_A_T_A_C_A_A_C_T_G_C_G_C_C | 0.06 | |
| A_C_G_T_C_A_C_G_G_A_A_C_T_T_G_G_C_T_A_C_A_A_T_C_G_C_T_C_C | 0.20 | |
| total | 0.88 | |
| Tag SNPs | A_T_C_A_A_C_G_C_G_G_G_G | 0.28 |
| A_T_C_A_A_C_A_C_G_G_G_T | 0.19 | |
| T_C_T_G_T_T_G_C_A_C_A_G | 0.16 | |
| A_C_C_G_A_T_G_T_G_C_G_T | 0.15 | |
| A_C_C_G_A_C_G_C_G_G_A_G | 0.08 | |
| total | 0.87 |