- Calcyphosine 2 (CAPS2)
 - Cytoplasmic Polyadenylation Element Binding Protein 2 (CPEB2)
 - Cytoplasmic Polyadenylation Element Binding Protein 3 (CPEB3)
 - Cytoplasmic Polyadenylation Element Binding Protein 4 (CPEB4)
 - Cellular Retinoic Acid Binding Protein 2 (CRABP2)
 - Complexin 2 (CPLX2)
 - Complexin 3 (CPLX3)
 - Complexin 4 (CPLX4)
 - Crystallin Beta A1 (CRYbA1)
 - Crystallin Beta A2 (CRYbA2)
 - Crystallin Beta A4 (CRYbA4)
 - Crystallin Beta B1 (CRYbB1)
 - Crystallin Beta B2 (CRYbB2)
 - Crystallin Beta B3 (CRYbB3)
 - Crystallin Gamma A (CRYgA)