TABLE 1.
Subunit composition of the CSN in various eukaryotic organisms and corresponding paralog of the CSN subunit in the Lid subcomplex of the proteasome
Check mark indicates the presence of the indicated protein. Bold lettering and italicized lettering are used to emphasize the level of differences.
| Csn1 | Csn2 | Csn3 | Csn4 | Csn5 (Jab1) | Csn6 | Csn7 | Csn8 | References | |
|---|---|---|---|---|---|---|---|---|---|
| Homo sapiens and Mus musculus |  |
|
|
|
|
|
|
|
57 |
| Arabidopsis thaliana | |
|
|
|
|
|
|
|
58 |
| Drosophila melanogaster | |
|
|
|
|
|
|
|
59 |
| Caenorhabditis elegans | |
|
|
|
|
|
CIF-1 | Absent | 22 |
| Dictyostelium discoideum | |
|
|
|
|
|
|
|
60 |
| Aspergillus nidulans | |
|
|
|
|
|
|
|
61 |
| Neurospora crassa | |
|
|
|
|
|
|
Absent | 23 |
| Schizosaccharomyces pombe | |
|
|
|
|
Absent | |
Absent | 26 |
| Saccharomyces cerevisiae | Csn11 (Pci8) | Csn10 | Absent | Rpn5 | Csn5 (Rri1) | Csi1 | Csn9 | Absent | 24 |
| Paralog in the proteasome Lid | Rpn7 | Rpn6 | Rpn3 | Rpn5 | Rpn11 | Rpn8 | Rpn9 | Rpn12 | 24 |