Nucleotide Variation in GGT Sequences
| Position in sequence J04131 | Gene 1 | Gene 2 | Gene 3 | Gene 3-like | Gene 6 | Gene 11 | Gene 12 | Gene 13 |
| 1955[ii] | — | — | T | T | — | T | — | — |
| 1962 | C | C | T | T | C | T | T | T |
| 1973 | T | T | C | C | T | C | T | C |
| 1974 | G | G | A | A | A | A | A | A |
| 2021 | C | C | T | T | C | T | C | T |
| 2025 | A | C | C | C | C | C | C | C |
| 2030 | G | G | G | G | G | G | T | G |
| 2033 | C | C | T | T | C | C | C | C |
| 2034 | G | G | G | G | G | G | A | G |
| 2073 | G | T | G | G | G | G | G | G |
| 2094 | A | A | G | G | A | G | G | G |
| 2108 | C | C | A | A | C | A | C | A |
[i] Sequences from Courtay et al. (1994).
[ii] Base not in J04131.