| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q9V6Q2 | Histone H3-like centromeric protein cid; CENP-A homolog; Centromere identifier protein; | cid; | NP_523730.2; | 225 | fruit fly |
| P39205 | Molybdenum cofactor synthesis protein cinnamon; Domain E; Domain G; EC 2.10.1.1; MPT Mo-transferase; EC 2.7.7.75; MPT adenylyltransferase; | cin; | NP_477030.1; | 601 | fruit fly |
| Q9VAM6 | CDGSH iron-sulfur domain-containing protein 2 homolog; | NULL | NP_651684.1; | 133 | fruit fly |
| Q9W401 | Probable citrate synthase, mitochondrial; EC 2.3.3.16; Protein knockdown; | kdn; l(1)G0030; | NP_572319.2;NP_727091.1; | 464 | fruit fly |
| P19538 | Transcriptional activator cubitus interruptus; Transcriptional activator ci; ci form of 155 kDa; ci-155; ci full length protein; ciFL; [Cleaved into: Transcriptional repressor cubitus interruptus (Transcriptional repressor ci) (ci C-terminally truncated f疩?疪 | ci; ci-D; | NP_524617.3; | 1397 | fruit fly |
| Q9VGZ1 | CDK5RAP1-like protein; | NULL | NP_650002.1; | 583 | fruit fly |
| Q95SK3 | CDK5RAP3-like protein; | NULL | NP_726016.1; | 509 | fruit fly |
| Q24152 | Cyclin-dependent kinases regulatory subunit; | Cks30A; CDI2 Cks Cks1; | NP_476947.1; | 74 | fruit fly |
| Q9VJE5 | Restin homolog; Cytoplasmic linker protein 190; Microtubule-binding protein 190; d-CLIP-190; | CLIP-190; | NP_609835.2;NP_724047.2;NP_724048.1; | 1690 | fruit fly |
| Q9NBD7 | CLIP-associating protein; Misexpression suppressor of ras 7; Protein Multiple asters; Mast; Protein Orbit; Protein chromosome bows; | chb; CLASP Mast MESR7 orbit; | NP_524651.2;NP_730596.1;NP_730597.1; | 1491 | fruit fly |
| P07668 | Choline O-acetyltransferase; CHOACTase; ChAT; Choline acetylase; EC 2.3.1.6; [Cleaved into: Choline O-acetyltransferase 67 kDa chain; Choline O-acetyltransferase 54 kDa chain; Choline O-acetyltransferase 13 kDa chain]; | Cha; | NP_477004.5;NP_996239.2; | 721 | fruit fly |
| Q9VGH7 | Chloride channel protein 2; ClC-2; DmClC-2; Chloride channel-a; | ClC-a; | NP_001097751.2;NP_001097752.1;NP_001163592.1;NP_731634.2;NP_731635.2;NP_788639.1; | 1193 | fruit fly |
| Q9VWA1 | Clathrin light chain; dClc; | Clc; | NP_001163480.1;NP_001163481.1;NP_001262101.1;NP_524178.2; | 219 | fruit fly |
| P29742 | Clathrin heavy chain; | Chc; | NP_001096993.1;NP_001096994.1;NP_001285300.1;NP_477042.1;NP_727901.1;NP_996451.1;NP_996452.1; | 1678 | fruit fly |
| O61735 | Circadian locomoter output cycles protein kaput; dCLOCK; dPAS1; | Clk; CLOCK jrk PAS1; | NP_001014574.1;NP_001014576.1;NP_523964.2; | 1027 | fruit fly |
| Q7K284 | Protein CLP1 homolog; Crowded by cid; | cbc; | NP_610876.1; | 423 | fruit fly |
| Q8IRB5 | Claspin homolog; | NULL | NP_001286934.1;NP_728981.1; | 1465 | fruit fly |
| A1ZAB5 | Protein clueless; Clustered mitochondria protein homolog; | clu; | NP_611095.1; | 1448 | fruit fly |
| Q9VA73 | Calcium-binding mitochondrial carrier protein Aralar1; | aralar1; | NP_651795.2;NP_733364.1;NP_733365.1;NP_733366.2; | 695 | fruit fly |
| Q9UAS6 | Cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 2; EC 2.1.1.296; Cap methyltransferase 2 homolog; Cap2 2'O-ribose methyltransferase 2 homolog; MTr2; FtsJ methyltransferase domain-containing protein 1 homolog; Protein Adrift; | cmtr2; aft; | NULL | 700 | fruit fly |
