| Centrin-3 | CETN3 CEN3 | O15182 | 4 |
| Centriole, cilia and spindle-associated protein | CCSAP C1orf96 CSAP | Q6IQ19 | 4 |
| Centriolin (Centrosomal protein 1) (Centrosomal protein of 110 kDa) (Cep110) | CNTRL CEP1 CEP110 | Q7Z7A1 | 4 |
| Centrobin (Centrosomal BRCA2-interacting protein) (LYST-interacting protein 8) | CNTROB LIP8 PP1221 | Q8N137 | 4 |
| Centromere protein W (CENP-W) (Cancer-up-regulated gene 2 protein) | CENPW C6orf173 CUG2 | Q5EE01 | 4 |
| Centromere-associated protein E (Centromere protein E) (CENP-E) (Kinesin-related protein CENPE) | CENPE | Q02224 | 4 |
| Centromere/kinetochore protein zw10 homolog | ZW10 | O43264 | 4 |
| Centrosomal protein of 164 kDa (Cep164) | CEP164 KIAA1052 NPHP15 | Q9UPV0 | 4 |
| Centrosomal protein of 19 kDa (Cep19) | CEP19 C3orf34 HSD5 | Q96LK0 | 4 |
| Centrosomal protein of 41 kDa (Cep41) (Testis-specific gene A14 protein) | CEP41 TSGA14 | Q9BYV8 | 4 |
| Centrosome and spindle pole-associated protein 1 | CSPP1 CSPP | Q1MSJ5 | 4 |
| Ceramide-1-phosphate transfer protein (Glycolipid transfer protein domain-containing protein 1) (CPTP) | GLTPD1 | Q5TA50 | 4 |
| Ceroid-lipofuscinosis neuronal protein 6 (Protein CLN6) | CLN6 | Q9NWW5 | 4 |
| Charged multivesicular body protein 1b (CHMP1.5) (Chromatin-modifying protein 1b) (CHMP1b) (Vacuolar protein sorting-associated protein 46-2) (Vps46-2) (hVps46-2) | CHMP1B C18orf2 | Q7LBR1 | 4 |
| Charged multivesicular body protein 6 (Chromatin-modifying protein 6) (Vacuolar protein sorting-associated protein 20) (Vps20) (hVps20) | CHMP6 VPS20 | Q96FZ7 | 4 |
| Chitinase-3-like protein 1 (39 kDa synovial protein) (Cartilage glycoprotein 39) (CGP-39) (GP-39) (hCGP-39) (YKL-40) | CHI3L1 | P36222 | 4 |
| Chloride intracellular channel protein 3 | CLIC3 | O95833 | 4 |
| Choline-phosphate cytidylyltransferase A (EC 2.7.7.15) (CCT-alpha) (CTP:phosphocholine cytidylyltransferase A) (CCT A) (CT A) (Phosphorylcholine transferase A) | PCYT1A CTPCT PCYT1 | P49585 | 4 |
| Chordin-like protein 2 (Breast tumor novel factor 1) (BNF-1) (Chordin-related protein 2) | CHRDL2 BNF1 CHL2 UNQ765/PRO1557 | Q6WN34 | 4 |
| Choriogonadotropin subunit beta variant 1 | CGB1 | A6NKQ9 | 4 |
| Chorionic somatomammotropin hormone (Choriomammotropin) (Lactogen) (Placental lactogen) (PL) | CSH1; CSH2 | P01243 | 4 |
| Chromosome 16 open reading frame 35 (HCG1984129, isoform CRA_c) (cDNA FLJ33398 fis, clone BRACE2009558, highly similar to CGTHBA protein) | C16orf35 hCG_1984129 | Q9BTE2 | 4 |
| Chromosome alignment-maintaining phosphoprotein 1 (Zinc finger protein 828) | CHAMP1 C13orf8 CAMP KIAA1802 ZNF828 | Q96JM3 | 4 |
| Citrate lyase subunit beta-like protein, mitochondrial (Citrate lyase beta-like) (EC 4.1.-.-) | CLYBL CLB | Q8N0X4 | 4 |
| CKLF-like MARVEL transmembrane domain-containing protein 1 (Chemokine-like factor superfamily member 1) | CMTM1 CKLFSF1 | Q8IZ96 | 4 |
| CKLF-like MARVEL transmembrane domain-containing protein 8 (Chemokine-like factor superfamily member 8) | CMTM8 CKLFSF8 | Q8IZV2 | 4 |
| Clathrin heavy chain 1 (Clathrin heavy chain on chromosome 17) (CLH-17) | CLTC CLH17 CLTCL2 KIAA0034 | Q00610 | 4 |
| Claudin-5 (Transmembrane protein deleted in VCFS) (TMDVCF) | CLDN5 AWAL TMVCF | O00501 | 4 |
| Cleavage and polyadenylation specificity factor subunit 6 (Cleavage and polyadenylation specificity factor 68 kDa subunit) (CFIm68) (CPSF 68 kDa subunit) (Pre-mRNA cleavage factor Im 68 kDa subunit) (Protein HPBRII-4/7) | CPSF6 CFIM68 | Q16630 | 4 |
| CLIC4 protein (Chloride intracellular channel 4, isoform CRA_b) (cDNA, FLJ96000, Homo sapiens chloride intracellular channel 4 (CLIC4), mRNA) | CLIC4 hCG_24047 | Q6FIC5 | 4 |
| CLK2 protein (Fragment) | CLK2 | Q9BRG8 | 4 |
| CLK4-associating serine/arginine rich protein (Splicing factor, arginine/serine-rich 16) (Suppressor of white-apricot homolog 2) | CLASRP SFRS16 SWAP2 UNQ2428/PRO4988 | Q8N2M8 | 4 |
| CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 2 (Alpha 2,3-ST 2) (Beta-galactoside alpha-2,3-sialyltransferase 2) (EC 2.4.99.4) (Gal-NAc6S) (Gal-beta-1,3-GalNAc-alpha-2,3-sialyltransferase) (ST3Gal II) (ST3GalII) (ST3GalA.2) (Sialyltransferase 4B) (SIAT4-B) | ST3GAL2 SIAT4B | Q16842 | 4 |
| CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 4 (Alpha 2,3-ST 4) (Beta-galactoside alpha-2,3-sialyltransferase 4) (EC 2.4.99.-) (Alpha 2,3-sialyltransferase IV) (Gal-NAc6S) (Gal-beta-1,4-GalNAc-alpha-2,3-sialyltransferase) (SAT-3) (ST-4) (ST3Gal IV) (ST3GalIV) (ST3GalA.2) (STZ) (Sialyltransferase 4C) (SIAT4-C) | ST3GAL4 CGS23 NANTA3 SIAT4C STZ | Q11206 | 4 |
| Coagulation factor V (Activated protein C cofactor) (Proaccelerin, labile factor) [Cleaved into: Coagulation factor V heavy chain; Coagulation factor V light chain] | F5 | P12259 | 4 |
| Coatomer subunit zeta-2 (Zeta-2-coat protein) (Zeta-2 COP) | COPZ2 | Q9P299 | 4 |
| Cohesin subunit SA-1 (SCC3 homolog 1) (Stromal antigen 1) | STAG1 SA1 | Q8WVM7 | 4 |
| Coiled-coil domain-containing protein 104 | CCDC104 UNQ163/PRO189 | Q96G28 | 4 |
| Coiled-coil domain-containing protein 113 | CCDC113 HSPC065 | Q9H0I3 | 4 |
| Coiled-coil domain-containing protein 115 | CCDC115 | Q96NT0 | 4 |
| Coiled-coil domain-containing protein 149 | CCDC149 | Q6ZUS6 | 4 |
| Coiled-coil domain-containing protein 171 | CCDC171 C9orf93 | Q6TFL3 | 4 |
| Coiled-coil domain-containing protein 181 | CCDC181 C1orf114 | Q5TID7 | 4 |
| Coiled-coil domain-containing protein 23 | CCDC23 | Q8N300 | 4 |
| Coiled-coil domain-containing protein 92 (Limkain beta-2) | CCDC92 | Q53HC0 | 4 |
| Coiled-coil domain-containing protein 97 | CCDC97 | Q96F63 | 4 |
| Coiled-coil domain-containing protein C16orf93 | C16orf93 | A1A4V9 | 4 |
| Coiled-coil-helix-coiled-coil-helix domain-containing protein 10, mitochondrial (Protein N27C7-4) | CHCHD10 C22orf16 | Q8WYQ3 | 4 |
| Cold shock domain-containing protein C2 (RNA-binding protein PIPPin) | CSDC2 PIPPIN | Q9Y534 | 4 |
| Collagen alpha-1(XXVII) chain | COL27A1 KIAA1870 | Q8IZC6 | 4 |
| COMM domain-containing protein 8 | COMMD8 MDS022 | Q9NX08 | 4 |
| Complement factor D (EC 3.4.21.46) (Adipsin) (C3 convertase activator) (Properdin factor D) | CFD DF PFD | P00746 | 4 |
| Conserved oligomeric Golgi complex subunit 2 (COG complex subunit 2) (Component of oligomeric Golgi complex 2) (Low density lipoprotein receptor defect C-complementing protein) | COG2 LDLC | Q14746 | 4 |
| Consortin | CNST C1orf71 | Q6PJW8 | 4 |
| Coordinator of PRMT5 and differentiation stimulator (Cooperator of PRMT5) (Protein TTP1) | COPRS C17orf79 COPR5 | Q9NQ92 | 4 |
| Core histone macro-H2A.2 (Histone macroH2A2) (mH2A2) | H2AFY2 MACROH2A2 | Q9P0M6 | 4 |
| Corepressor interacting with RBPJ 1 (CBF1-interacting corepressor) (Recepin) | CIR1 CIR | Q86X95 | 4 |
| Coronin-1C (Coronin-3) (hCRNN4) | CORO1C CRN2 CRNN4 | Q9ULV4 | 4 |
| COX8 protein (Cytochrome c oxidase subunit 8A (Ubiquitous)) (Cytochrome c oxidase subunit VIII) (cDNA, FLJ92201, Homo sapiens cytochrome c oxidase subunit VIII (COX8), mRNA) | COX8A COX8 hCG_27157 | Q53XN1 | 4 |
| Coxsackievirus and adenovirus receptor (CAR) (hCAR) (CVB3-binding protein) (Coxsackievirus B-adenovirus receptor) (HCVADR) | CXADR CAR | P78310 | 4 |
| Cryptochrome-1 | CRY1 PHLL1 | Q16526 | 4 |
| CTD small phosphatase-like protein 2 (CTDSP-like 2) (EC 3.1.3.-) | CTDSPL2 HSPC058 HSPC129 | Q05D32 | 4 |
| CUGBP Elav-like family member 5 (CELF-5) (Bruno-like protein 5) (CUG-BP- and ETR-3-like factor 5) (RNA-binding protein BRUNOL-5) | CELF5 BRUNOL5 | Q8N6W0 | 4 |
| Cullin-associated NEDD8-dissociated protein 2 (Cullin-associated and neddylation-dissociated protein 2) (Epididymis tissue protein Li 169) (TBP-interacting protein of 120 kDa B) (TBP-interacting protein 120B) (p120 CAND2) | CAND2 KIAA0667 TIP120B | O75155 | 4 |
| CXXC-type zinc finger protein 11 | CXXC11 C2orf85 | Q14D33 | 4 |
| Cyclic AMP-dependent transcription factor ATF-2 (cAMP-dependent transcription factor ATF-2) (EC 2.3.1.48) (Activating transcription factor 2) (Cyclic AMP-responsive element-binding protein 2) (CREB-2) (cAMP-responsive element-binding protein 2) (HB16) (Histone acetyltransferase ATF2) (cAMP response element-binding protein CRE-BP1) | ATF2 CREB2 CREBP1 | P15336 | 4 |
| Cyclic AMP-responsive element-binding protein 3-like protein 3 (cAMP-responsive element-binding protein 3-like protein 3) (Transcription factor CREB-H) [Cleaved into: Processed cyclic AMP-responsive element-binding protein 3-like protein 3] | CREB3L3 CREBH HYST1481 | Q68CJ9 | 4 |
| Cyclin-dependent kinase 4 inhibitor C (Cyclin-dependent kinase 6 inhibitor) (p18-INK4c) (p18-INK6) | CDKN2C CDKN6 | P42773 | 4 |
| Cyclin-K | CCNK CPR4 | O75909 | 4 |
| Cyclin-Y-like protein 1 | CCNYL1 | Q8N7R7 | 4 |
| Cysteine and histidine-rich protein 1 | CYHR1 KIAA0496 | Q6ZMK1 | 4 |
| Cysteine-rich PAK1 inhibitor (CRIPak) | CRIPAK | Q8N1N5 | 4 |
| Cysteine/serine-rich nuclear protein 1 (CSRNP-1) (Axin-1 up-regulated gene 1 protein) (Protein URAX1) (TGF-beta-induced apoptosis protein 3) (TAIP-3) | CSRNP1 AXUD1 TAIP3 | Q96S65 | 4 |
| Cystine/glutamate transporter (Amino acid transport system xc-) (Calcium channel blocker resistance protein CCBR1) (Solute carrier family 7 member 11) (xCT) | SLC7A11 | Q9UPY5 | 4 |
| Cytochrome b ascorbate-dependent protein 3 (EC 1.-.-.-) (Cytochrome b561 family member A3) (Lysosomal cytochrome b) (LCytb) | CYB561A3 CYBASC3 LCYTB PSEC0259 | Q8NBI2 | 4 |
| Cytochrome b-245 light chain (Cytochrome b(558) alpha chain) (Cytochrome b558 subunit alpha) (Neutrophil cytochrome b 22 kDa polypeptide) (Superoxide-generating NADPH oxidase light chain subunit) (p22 phagocyte B-cytochrome) (p22-phox) (p22phox) | CYBA | P13498 | 4 |
| Cytochrome c oxidase assembly protein 1 homolog (Mitochondrial translation regulation assembly intermediate of cytochrome c oxidase protein of 15 kDa) | COA1 C7orf44 MITRAC15 | Q9GZY4 | 4 |
| Cytochrome c oxidase assembly protein COX11, mitochondrial | COX11 | Q9Y6N1 | 4 |
| Cytochrome c oxidase assembly protein COX14 | COX14 C12orf62 | Q96I36 | 4 |
| Cytochrome c oxidase subunit 1 (EC 1.9.3.1) (Cytochrome c oxidase polypeptide I) | MT-CO1 COI COXI MTCO1 | P00395 | 4 |
| Cytochrome P450 1A2 (EC 1.14.14.1) (CYPIA2) (Cytochrome P(3)450) (Cytochrome P450 4) (Cytochrome P450-P3) | CYP1A2 | P05177 | 4 |
| Cytochrome P450 2A13 (EC 1.14.14.1) (CYPIIA13) | CYP2A13 | Q16696 | 4 |
| Cytochrome P450 4V2 (EC 1.14.13.-) | CYP4V2 | Q6ZWL3 | 4 |
| Cytoplasmic dynein 1 heavy chain 1 (Cytoplasmic dynein heavy chain 1) (Dynein heavy chain, cytosolic) | DYNC1H1 DHC1 DNCH1 DNCL DNECL DYHC KIAA0325 | Q14204 | 4 |
| Cytoplasmic polyadenylation element-binding protein 3 (CPE-BP3) (CPE-binding protein 3) (hCPEB-3) | CPEB3 KIAA0940 | Q8NE35 | 4 |
| Cytoplasmic protein NCK1 (NCK adaptor protein 1) (Nck-1) (SH2/SH3 adaptor protein NCK-alpha) | NCK1 NCK | P16333 | 4 |
| Cytoplasmic tRNA 2-thiolation protein 1 (EC 2.7.7.-) (ATP-binding domain-containing protein 3) (Cancer-associated gene protein) (Cytoplasmic tRNA adenylyltransferase 1) | CTU1 ATPBD3 NCS6 | Q7Z7A3 | 4 |
| Cytoskeleton-associated protein 2 (CTCL tumor antigen se20-10) (Tumor- and microtubule-associated protein) | CKAP2 LB1 TMAP | Q8WWK9 | 4 |
| Cytosol aminopeptidase (EC 3.4.11.1) (Leucine aminopeptidase 3) (LAP-3) (Leucyl aminopeptidase) (Peptidase S) (Proline aminopeptidase) (EC 3.4.11.5) (Prolyl aminopeptidase) | LAP3 LAPEP PEPS | P28838 | 4 |
| Cytosolic beta-glucosidase (EC 3.2.1.21) (Cytosolic beta-glucosidase-like protein 1) | GBA3 CBG CBGL1 | Q9H227 | 4 |
| Cytosolic carboxypeptidase 1 (EC 3.4.17.-) (ATP/GTP-binding protein 1) (Nervous system nuclear protein induced by axotomy protein 1 homolog) | AGTPBP1 CCP1 KIAA1035 NNA1 | Q9UPW5 | 4 |
| Cytosolic Fe-S cluster assembly factor NARFL (Iron-only hydrogenase-like protein 1) (IOP1) (Nuclear prelamin A recognition factor-like protein) (Protein related to Narf) | NARFL PRN | Q9H6Q4 | 4 |
| D site-binding protein (Albumin D box-binding protein) (Albumin D-element-binding protein) (Tax-responsive enhancer element-binding protein 302) (TaxREB302) | DBP | Q10586 | 4 |
| DDB1- and CUL4-associated factor 10 (WD repeat-containing protein 32) | DCAF10 WDR32 | Q5QP82 | 4 |
| Death domain-containing protein CRADD (Caspase and RIP adapter with death domain) (RIP-associated protein with a death domain) | CRADD RAIDD | P78560 | 4 |
| Death-associated protein kinase 3 (DAP kinase 3) (EC 2.7.11.1) (DAP-like kinase) (Dlk) (MYPT1 kinase) (Zipper-interacting protein kinase) (ZIP-kinase) | DAPK3 ZIPK | O43293 | 4 |
| Dehydrodolichyl diphosphate synthase (Dedol-PP synthase) (EC 2.5.1.-) (Cis-isoprenyltransferase) (CIT) (Cis-IPTase) (Epididymis tissue protein Li 189m) | DHDDS HDS | Q86SQ9 | 4 |
| Dehydrogenase/reductase SDR family member 1 (EC 1.1.-.-) | DHRS1 | Q96LJ7 | 4 |
| Delta globin (Delta-globin chain) (Hemoglobin delta) (Hemoglobin, delta) | HBD hCG_1641001 | A0N071 | 4 |
| Delta(24)-sterol reductase (EC 1.3.1.72) (24-dehydrocholesterol reductase) (3-beta-hydroxysterol delta-24-reductase) (Diminuto/dwarf1 homolog) (Seladin-1) | DHCR24 KIAA0018 | Q15392 | 4 |