| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| O01422 | COP9 signalosome complex subunit 2; Signalosome subunit 2; | csn-2; | NP_491740.1; | 495 | c.elegen |
| Q9N425 | COP9 signalosome complex subunit 3; Signalosome subunit 3; | csn-3; | NP_499878.3; | 501 | c.elegen |
| Q9N359 | COP9 signalosome complex subunit 4; Signalosome subunit 4; | csn-4; | NP_500034.1; | 412 | c.elegen |
| P91001 | COP9 signalosome complex subunit 5; Signalosome subunit 5; EC 3.4.-.-; JAB1 homolog; | csn-5; | NP_500841.1; | 368 | c.elegen |
| Q95PZ0 | COP9 signalosome complex subunit 6; Signalosome subunit 6; | csn-6; | NP_001255726.1; | 426 | c.elegen |
| Q9NB31 | Serine/threonine-protein kinase cst-1; EC 2.7.11.1; STE20-like kinase 1; STE20-like kinase MST; cMST; [Cleaved into: Serine/threonine-protein kinase cst-1 37kDa subunit; Serine/threonine-protein kinase cst-1 18kDa subunit]; | cst-1; | NP_001024575.2;NP_508743.4; | 497 | c.elegen |
| Q20595 | C-terminal-binding protein 1; | ctbp-1; | NP_001257030.1;NP_001257031.1; | 727 | c.elegen |
| Q20026 | Choline transporter-like protein 1; | chtl-1; | NP_001129928.1;NP_741789.2;NP_741790.2; | 771 | c.elegen |
| Q09500 | Cystinosin homolog; | ctns-1; | NP_495704.1;NP_872022.1; | 404 | c.elegen |
| Q03560 | RNA polymerase-associated protein CTR9; | ctr-9; | NP_001255000.1; | 1150 | c.elegen |
| O76365 | Cytoplasmic tRNA 2-thiolation protein 1; EC 2.7.7.-; Cytoplasmic tRNA adenylyltransferase 1; Thiolation of uridine in tRNA protein 1; | tut-1; ctu-1; | NP_499865.1; | 373 | c.elegen |
| Q19906 | Cytoplasmic tRNA 2-thiolation protein 2; Thiolation of uridine in tRNA protein 2; | tut-2; | NP_505729.1; | 349 | c.elegen |
| Q20911 | Probable cubilin; | NULL | NP_506157.3; | 4047 | c.elegen |
| Q17389 | Cullin-1; CUL-1; Abnormal cell lineage protein 19; | cul-1; lin-19; | NP_499309.1; | 780 | c.elegen |
| Q17390 | Cullin-2; CUL-2; | cul-2; | NP_001023007.1;NP_001023008.1;NP_001023009.1;NP_499825.3; | 850 | c.elegen |
| Q17391 | Cullin-3; CUL-3; | cul-3; | NP_503151.1; | 777 | c.elegen |
| Q17392 | Cullin-4; CUL-4; | cul-4; | NP_495525.2; | 840 | c.elegen |
| Q23639 | Cullin-5; CUL-5; | cul-5; | NP_505616.2; | 765 | c.elegen |
| Q21346 | Cullin-6; | cul-6; | NP_502412.1; | 729 | c.elegen |
| P34271 | Acetylcholine receptor-like protein cup-4; Coelomocyte uptake defective protein 4; | cup-4; | NP_498710.2; | 433 | c.elegen |
