Table 1. Proteins that co-purified with CTR9-TAP.
| Identified Proteins | Accession Number | No peptides |
| Paf complex subunits | ||
| CTR9 | Tb927.3.3220 | 48 |
| LEO1 | Tb927.9.12900 | 6 |
| CDC73 | Tb927.11.10230 | 2 |
| Novel proteins | ||
| hypothetical protein, conserved | Tb927.7.4030 | 4 |
| hypothetical protein, conserved | Tb927.3.5070 | 4 |
| Possible contaminants | ||
| calmodulin | Tb927.11.13020 | 1 |
| 60S ribosomal protein L17 | Tb927.11.4820 | 2 |
| microtubule-associated protein 2 | Tb10.v4.0052 | 4 |
| polyubiquitin | Tb927.11.9920 | 2 |
| hypothetical protein, conserved | Tb11.0840 | 2 |
| ribosomal protein L3 | Tb927.4.1790 | 2 |
| 60S ribosomal protein L12 | Tb927.9.14000 | 4 |
| glyceraldehyde 3-phosphate dehydrogenase, glycosomal | Tb927.6.4280 | 6 |
| glycerol kinase, glycosomal | Tb927.9.12550 | 5 |
| retrotransposon hot spot protein | Tb11.0050 | 2 |
| elongation factor 1-alpha,EF-1-alpha | Tb927.10.2100 | 6 |
| alpha tubulin | Tb927.1.2340 | 20 |
| beta tubulin | Tb927.1.2330 | 23 |
| heat shock protein 70 | Tb927.11.11330 | 3 |
Proteins were denatured, separated by SDS-PAGE and the whole gel section containing proteins was analysed by mass spectrometry. The numbers of different peptides detected are indicated. Possible contaminants are judged as such because of their appearance in other, unrelated purifications.