Table 4.
Polymorphism at the polycytidine tract and base 1,657 and Functionality of M1 and M12 mga among GAS genomes in the GenBank database.
| M protein type genotype | M1 | M12 | ||
|---|---|---|---|---|
| Polymorphism of mga at the polycytidine and base 1,654 in M1 and base 1,657 in M12 | ac.1571C[8]/1654G or c.1574C[8]/1657G | Frequency | 150/158 | 25/106 |
| AA No. of Mga | 529 | 530 | ||
| Functionality | Yes | Yes | ||
| c.1571C[7]/1654G or c.1574C[7]/1657G | Frequency | 3/158 | 3/106 | |
| AA No. of MGA | 1,075 | 1,157 | ||
| Functionality | No | No | ||
| c.1571C[6]/1654G or c.1574C[6]/1657G | Frequency | 5/158 | 38/106 | |
| AA No. of Mga | 542 | 543 | ||
| Functionality | Yes | Yes | ||
| c.1571C[7]/1654A or c.1574C[7]/1657A | Frequency | 0/158 | 40/106 | |
| AA No of Mga | 543 | |||
| Functionality | Yes | |||
a
The polycytidine tract with polymorphism starts at base 1,571 and 1,574 in M1 and M12 mga, respectively.