TABLE 3.
Site (bp) | Amino acid change | Base pair change | No. of colonies with mutation |
|
---|---|---|---|---|
Wild type (spontaneous) | tr-HexA | |||
1414-1422 | 9-bp deletion | 3 | 1 | |
1417-1425 | 9-bp deletion | 8 | 0 | |
1430 | Q477R | A·T → G·C | 0 | 13 |
1438 | D480Y | G·C → T·A | 12 | 0 |
1468 | H490Y | G·C → A·T | 3 | 6 |
1469 | H490R | A·T → G·C | 0 | 1 |
1478 | R493H | G·C → A·T | 3 | 5 |
1484 | S495Y | G·C → A·T | 2 | 9 |
Total | 31 | 35 |