Table 2. Comparative analysis of proteins and their matching peptides identified by three strategies from rat liver plasma membrane-enriched fraction.
| Categorization | Strategies | ||
| RGS | SDC | SL | |
| All identifiedproteins | 398 | 410 | 465 |
| All identifiedpeptides | 1466 | 1485 | 1729 |
| Peptides/proteins | 3.68 | 3.62 | 3.72 |
| Membraneproteins | 194 | 197 | 228 |
| Hydrophobicproteins | 111 | 111 | 132 |
| Hydrophobicpeptides | 731 | 736 | 839 |
| Proteins with 1 ormore predicted TMDs | 128 | 131 | 150 |
| Proteins with more than 2 predicted TMDs | 49 | 48 | 62 |
The data merged from triplicate analysis were used for comparison.