- C
- CH2
- CAMP
- COQ8A
- COQ8B
- CLPS
- CCK
- CRH
- CSP
- CGRP
- CORT
- CALCA
- CGA
- Coagulation factor
- CDH
- CXADR
- CCAR1
- CCN
- CDK
- CRK12
- CF
- CKLF
- CSF
- CTF1
- CLCF1
- CAM
- CAP1
- CCDC88A
- CD
- CD24
- CRBN
- C16orf54
- CALR
- CLPB1
- CLU
- CREB
- CREBBP
- COPZ1
- CRBP3
- CADM1
- CAST
- CAMK2N1
- CAMK2N2
- CARD16
- Cystatin
- CD73
- Collagenase
- CPS1
- CBS
- CutC
- CrtN
- CYPOR
- Carbamoyltransferase
- ChAT
- Cysteine synthase
- CHD1L
- Cyclic nucleotide
- CCDB
- ClfA
- CT83
- CTAG1
- CTAG2
- CA215
- CA242
- CDH1
- CDH11
- CDH16
- CDH17
- CDH19
- CDH2
- CDH3
- CDH4
- CDH5
- CDH6
- CD223
- CD58
- CD83
- CD86
- CHI3L1
- CLEC
- CD62L
- CCNA
- CCNB1
- CCND
- CCNE
- CCNG1
- CCNT
- CCNK
- CDC20
- CDC25B
- CDC25C
- CDC37
- CDC42
- CDC45
- CDC7
- CCRK
- CDK1
- CDK2
- CDK3
- CDK4
- CDK5