- Carbohydrate Sulfotransferase 14 (CHST14)
- Chymotrypsin Like Protein (CTRL)
- CTD Small Phosphatase Like Protein (CTDSPL)
- CTD Small Phosphatase 2 (CTDSP2)
- CTD Small Phosphatase 1 (CTDSP1)
- CTD Phosphatase 1 (CTDP1)
- Di-N-Acetyl Chitobiase (CTBS)
- Chorionic Somatomammotropin Hormone Like Protein 1 (CSHL1)
- Carnitine Transporter 2 (CT2)
- Carbamoyl Phosphate Synthase 1, Mitochondrial (CPS1)
- Coenzyme Q9 Homolog (COQ9)
- Catechol-O-Methyltransferase (COMT)
- Choline Dehydrogenase (CHDH)
- Cyclin Dependent Kinase 2 Interacting Protein (CINP)
- Chitinase 1 (CHIT1)