- CAMTA2
- CAND1
- CAND2
- CANT1
- CAP1
- CAP2
- CAPG
- CAPN1
- CAPN10
- CAPN11
- CAPN12
- CAPN13
- CAPN2
- CAPNL1
- CAPNS2
- Caprin-1
- CAPRIN2
- CAPSL
- CAPZA1
- CAPZA2
- CAPZA3
- CAPZB
- CAR15
- Carabin
- Carbonic Anhydrase
- Carboxylesterase 1E
- Carboxypeptidase A2
- CARD10
- CARD11
- CARD14
- CARD16
- CARD17
- CARD18
- CARD6
- CARD8
- CARD9
- Cardiac Troponin T2
- Cardiotrophin 1
- Cardiotrophin 2
- CARHSP1
- Carkd
- CARM1
- CARNS1
- CARS
- CARS2
- CARTPT
- CASC1
- CASC10
- CASC2
- CASC3
- CASC4
- CASC5
- CASD1
- Casein alpha S1
- Casein Kinase 1 delta
- Casein Kinase 1 gamma 2
- CASK
- CASKIN1
- CASKIN2
- CasLTR2
- CASP14
- CASP5
- Caspase
- Caspase 1
- Caspase 10
- Caspase 10 beta
- Caspase 12
- Caspase 2
- Caspase 3
- Caspase 4
- Caspase 6
- Caspase 7
- Caspase 8
- Caspase 9
- CASQ2
- CASR
- CASS4
- CASZ1
- Catalase
- Cathelicidin
- Cathelicidin 4
- Cathelicidin-1
- Cathepsin 3
- Cathepsin 6
- Cathepsin B
- Cathepsin D
- Cathepsin E
- Cathepsin F
- Cathepsin G
- Cathepsin H
- Cathepsin K
- Cathepsin L
- Cathepsin L2
- Cathepsin M
- Cathepsin Q
- Cathepsin R
- Cathepsin S
- Cathepsin W
- Cathepsin Z
- CATR1