Table 4.
Number of peptide and protein identificationsa from four MCF-7 samples, each containing ∼ 5 000 cells, prepared by the TFE-based protocol and analyzed using LC-MS/MS with a linear ion trap mass spectrometer (LTQ).
| Different peptides | Proteins | |
|---|---|---|
| #1 | 305 | 113 |
| #2 | 211 | 85 |
| #3 | 290 | 133 |
| #4 | 179 | 83 |
| | ||
| Overlap | 82 | 40 |
All peptides identified passed the filtering criteria discussed in detail in the experimental section.