Table 1. Characteristics of Sequenced GAS Strains.
| Strain | M type | MLST | sof | Size, bp | % G+C | CDS | Elements | ||
| No. | % | Phage | ICE | ||||||
| SF370 | 1 | 28 | neg | 1,852,441 | 38.51 | 1,697 | 83.79 | 4 | 1 |
| MGAS5005 | 1 | 28 | neg | 1,838,554 | 38.53 | 1,865 | 86.39 | 3 | 1 |
| MGAS10270 | 2 | 55 | pos | 1,928,252 | 38.43 | 1,987 | 87.18 | 5 | 2 |
| MGAS315 | 3 | 15 | neg | 1,900,521 | 38.59 | 1,865 | 85.76 | 6 | 0 |
| SSI-1 | 3 | 15 | neg | 1,894,275 | 38.55 | 1,861 | 84.61 | 6 | 0 |
| MGAS10750 | 4 | 39 | pos | 1,937,111 | 38.31 | 1,979 | 87.16 | 4 | 2 |
| Manfredo | 5 | 99 | neg | 1,841,271 | 38.62 | 1,803 | 86.72 | 5 | 0 |
| MGAS10394 | 6 | 382 | neg | 1,899,877 | 38.69 | 1,886 | 87.28 | 8* | 0* |
| MGAS2096 | 12 | 36 | pos† | 1,860,355 | 38.73 | 1,898 | 87.39 | 2 | 2 |
| MGAS9429 | 12 | 36 | pos† | 1,836,467 | 38.54 | 1,878 | 87.81 | 3 | 1 |
| MGAS8232 | 18 | 42 | neg | 1,895,017 | 38.55 | 1,845 | 85.23 | 5 | 0 |
| MGAS6180 | 28 | 52 | pos | 1,897,573 | 38.35 | 1,894 | 87.09 | 4 | 3 |
*
Element 10394.4 is composite element that has a phage-like 5′ end and an ICE-like 3′end.
†
Strains MGAS2096 and MGAS9429, like most serotype M12 strains, although sof positive by PCR are phenotypically Sof negative due to internal gene mutations.