- Alpha-Catenin Like Protein 1 (CTNNaL1)
- Beta Catenin Like Protein 1 (CTNNbL1)
- CUG Triplet Repeat, RNA Binding Protein 2 (CUGBP2)
- CutC Copper Transporter (CUTC)
- CXXC Finger Protein 1 (CXXC1)
- Cytoplasmic FMR1 Interacting Protein 1 (CYFIP1)
- Cytoplasmic FMR1 Interacting Protein 2 (CYFIP2)
- Cytochrome P450 2J2 (CYP2J2)
- Cytochrome P450 2R1 (CYP2R1)
- Cytochrome P450 2S1 (CYP2S1)
- Cytochrome P450 2U1 (CYP2U1)
- Cytochrome P450 4A11 (CYP4A11)
- Cytochrome P450 4F2 (CYP4F2)
- Cytochrome P450 4F3 (CYP4F3)
- Cytochrome P450 4F8 (CYP4F8)
