Table 2.
Proteins, surface proteins and predicted GPI-anchored proteins identified in T. cruzi trypomastigotes.
| Total proteins and protein groups | ||||
|---|---|---|---|---|
| Protein groups | Individual proteins | |||
| T. cruzi | 1,448 | 6,154 | ||
| Contaminants* | 168 | 1,216 | ||
| Total | 1,616 | 7,370 | ||
| Surface proteins and protein groups | ||||
| Protein groups | Individual proteins | |||
| Protein/Family |
Surface proteins |
GPI-anchored proteins |
Surface proteins |
GPI-anchored proteins |
| TS/gp85 | 140 | 114 | 789 | 620 |
| trans-sialidase | 130 | 111 | 744 | 604 |
| Tc85 | 3 | 0 | 7 | 1 |
| 85 kDa surface protein | 2 | 1 | 10 | 1 |
| c71 | 1 | 1 | 1 | 1 |
| gp90 | 1 | 0 | 1 | 0 |
| gp82 | 1 | 1 | 11 | 11 |
| surface protein | 0 | 0 | 2 | 0 |
| surface protein-2 | 1 | 0 | 8 | 1 |
| surface glycoprotein | 1 | 0 | 3 | 0 |
| amastigote surface protein-2 | 0 | 0 | 1 | 0 |
| Shed-acute-phase-antigen | 0 | 0 | 1 | 1 |
| MASP | 37 | 36 | 136 | 134 |
| TcMUC II | 12 | 10 | 46 | 42 |
| mucin-like | 3 | 1 | 12 | 8 |
| putative surface antigen YASP (TcTASV) | 1 | 1 | 5 | 5 |
| TolT | 4 | 3 | 16 | 14 |
| gp63 | 11 | 9 | 83 | 51 |
| hypothetical proteins | 4 | 12 | ||
| unknown | 0 | 1 | ||
| amastigote cytoplasmic antigen | 0 | 1 | ||
| cytochrome b5-like | 0 | 2 | ||
| Total | 208 | 178 | 1087 | 890 |
*
Contaminant proteins from sample preparation (trypsin and human keratin) and cell culture medium (bovine serum proteins).