TABLE 2.
LC-MS analysis to determine ion counts for selected ionsa
| Strain | Ion count for ions at a mass (Da) of:
|
||
|---|---|---|---|
| 263.128b | 247.133c | 265.144d | |
| ATCC 58025 | 1,330 | 40 | 129 |
| ATCC 58025 | 1,390 | 43 | 69 |
| ΔBcaba3-4 | ND | ND | ND |
| ΔBcaba3-7 | ND | ND | ND |
| ΔBcaba1-2 | ND | ND | ND |
| ΔBcaba1-27 | ND | ND | ND |
| ΔBcaba2-2 | ND | 1,550 | ND |
| ΔBcaba2-13 | ND | 2,060 | ND |
| ΔBcaba4-5.1 | 665 | 135 | 5,420 |
| ΔBcaba4-9.2 | 762 | 271 | 7,850 |
a
A 50-ppm width. Counts below 40 were regarded as noise. ND, not detected.
b
Retention time of 6.45 min.
c
Retention time of 8.38 min.
d
Retention time of 5.36 min.