| Interphotoreceptor matrix proteoglycan 1 (Interphotoreceptor matrix proteoglycan of 150 kDa) (IPM-150) (Sialoprotein associated with cones and rods) | IMPG1 IPM150 SPACR | Q17R60 | 1 |
| Intersectin 1 short form A variant 2 | ITSN1 | D6PAV9 | 1 |
| Intersectin-1 | ITSN1 | F8W7U0 | 1 |
| Intersectin-1 (Fragment) | ITSN1 | H7C429 | 1 |
| Intersectin-1 (SH3 domain-containing protein 1A) (SH3P17) | ITSN1 ITSN SH3D1A | A8CTX8 | 1 |
| Intersectin-1 (SH3 domain-containing protein 1A) (SH3P17) | ITSN1 ITSN SH3D1A | A8CTY3 | 1 |
| Intersectin-1 (SH3 domain-containing protein 1A) (SH3P17) | ITSN1 ITSN SH3D1A | Q14BD3 | 1 |
| Intersectin-2 | ITSN2 | A0A087WVF7 | 1 |
| Intraflagellar transport protein 122 homolog (Fragment) | IFT122 | D6R8Z2 | 1 |
| Intraflagellar transport protein 122 homolog (Fragment) | IFT122 | H0Y978 | 1 |
| Intraflagellar transport protein 122 homolog (Fragment) | IFT122 | H0Y9I6 | 1 |
| Intraflagellar transport protein 172 homolog | IFT172 KIAA1179 | A5PKZ0 | 1 |
| Intraflagellar transport protein 56 (cDNA FLJ60534) | TTC26 | B7Z2T3 | 1 |
| Intraflagellar transport protein 80 homolog (Fragment) | IFT80 | C9J6G8 | 1 |
| Intraflagellar transport protein 81 homolog (Fragment) | IFT81 | H0YHE2 | 1 |
| Involucrin | 0 | B4DU44 | 1 |
| Inward rectifier potassium channel 13 (Fragment) | KCNJ13 | H7C4D1 | 1 |
| Inward rectifier potassium channel 13 (Inward rectifier K(+) channel Kir7.1) (Potassium channel, inwardly rectifying subfamily J member 13) | KCNJ13 | O60928 | 1 |
| Inward rectifier potassium channel 2 (Cardiac inward rectifier potassium channel) (Inward rectifier K(+) channel Kir2.1) (IRK-1) (hIRK1) (Potassium channel, inwardly rectifying subfamily J member 2) | KCNJ2 IRK1 | P63252 | 1 |
| Iporin (Interacting protein of Rab1) (RUN and SH3 domain-containing protein 2) | RUSC2 KIAA0375 | Q8N2Y8 | 1 |
| IQ domain-containing protein E | IQCE KIAA1023 | Q6IPM2 | 1 |
| IQ motif and SEC7 domain-containing protein 1 | IQSEC1 | A0A087WWK8 | 1 |
| IQ motif and SEC7 domain-containing protein 2 | IQSEC2 KIAA0522 | Q5JU85 | 1 |
| IQ motif and SEC7 domain-containing protein 3 | IQSEC3 KIAA1110 | Q9UPP2 | 1 |
| IQ motif containing GTPase activating protein 2 variant (Fragment) | 0 | Q59HA3 | 1 |
| Iron-responsive element-binding protein 2 (Fragment) | IREB2 | H0YN46 | 1 |
| Iron-sulfur cluster co-chaperone protein HscB, mitochondrial (DnaJ homolog subfamily C member 20) (Hsc20) | HSCB DNAJC20 HSC20 | Q8IWL3 | 1 |
| Iron-sulfur protein NUBPL (IND1 homolog) (Nucleotide-binding protein-like) (huInd1) | NUBPL C14orf127 | Q8TB37 | 1 |
| Iroquois-class homeodomain protein IRX-5 (Homeodomain protein IRX-2A) (Homeodomain protein IRXB2) (Iroquois homeobox protein 5) | IRX5 IRX2A IRXB2 | P78411 | 1 |
| Islet cell autoantigen 1 | ICA1 | E9PDL4 | 1 |
| Isoamyl acetate-hydrolyzing esterase 1 homolog | IAH1 | F8WF34 | 1 |
| Isochorismatase domain-containing protein 1 (Fragment) | ISOC1 | D6RGE2 | 1 |
| Isocitrate dehydrogenase 3 (NAD+) gamma isoform b variant (Fragment) | 0 | Q59GA3 | 1 |
| Isocitrate dehydrogenase [NADP] (EC 1.1.1.42) | IDH1 | Q6FIA4 | 1 |
| Isocitrate dehydrogenase [NADP] cytoplasmic (Fragment) | IDH1 | C9JLU6 | 1 |
| Isocitrate dehydrogenase [NAD] subunit gamma, mitochondrial (Fragment) | IDH3G | H7C1W2 | 1 |
| Isoleucine--tRNA ligase, cytoplasmic | IARS | Q5TCC6 | 1 |
| Isoleucine--tRNA ligase, cytoplasmic (Fragment) | IARS | Q5TCD1 | 1 |
| Isopentenyl-diphosphate Delta-isomerase 1 (Fragment) | IDI1 | C9JD53 | 1 |
| Isopentenyl-diphosphate delta-isomerase 2 (EC 5.3.3.2) (Isopentenyl pyrophosphate isomerase 2) (IPP isomerase 2) (IPPI2) | IDI2 | Q9BXS1 | 1 |
| Isoprenoid synthase domain-containing protein (EC 2.7.7.-) (2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase-like protein) | ISPD | A4D126 | 1 |
| IST1 homolog (Fragment) | IST1 | H3BMU1 | 1 |
| IST1 homolog (Fragment) | IST1 | H3BQF7 | 1 |
| Isthmin-1 | ISM1 C20orf82 ISM | B1AKI9 | 1 |
| Isthmin-2 (Fragment) | ISM2 | H7C4M8 | 1 |
| ITGB1BP1 protein | ITGB1BP1 | Q6IAZ8 | 1 |
| ITSN1 protein (Fragment) | ITSN1 | Q6GMY7 | 1 |
| Janus kinase and microtubule-interacting protein 2 (CTCL tumor antigen HD-CL-04) (Neuroendocrine long coiled-coil protein 1) | JAKMIP2 JAMIP2 KIAA0555 NECC1 | Q96AA8 | 1 |
| Jerky protein homolog-like (Human homolog of mouse jerky gene protein) (HHMJG) | JRKL | Q9Y4A0 | 1 |
| JmjC domain-containing protein 4 (Jumonji domain-containing protein 4) | JMJD4 | Q9H9V9 | 1 |
| Josephin-1 (Fragment) | JOSD1 | H0YGT9 | 1 |
| Josephin-2 (Fragment) | JOSD2 | M0QZL8 | 1 |
| Jouberin (Abelson helper integration site 1 protein homolog) (AHI-1) | AHI1 | Q8N157 | 1 |
| Jouberin (Fragment) | AHI1 | H0YDL1 | 1 |
| Jumonji, AT rich interactive domain 1B (RBP2-like), isoform CRA_a (Lysine-specific demethylase 5B) (cDNA FLJ16281 fis, clone NT2RI3003104, highly similar to Homo sapiens Jumonji, AT rich interactive domain 1B (RBP2-like) (JARID1B), mRNA) (Fragment) | KDM5B JARID1B hCG_2027322 | B3KV94 | 1 |
| Junction adhesion molecule | 0 | Q9Y5B2 | 1 |
| Junction plakoglobin (Fragment) | JUP | C9JK18 | 1 |
| Junctional adhesion molecule A | F11R | A0A087WY82 | 1 |
| Junctional adhesion molecule C (Fragment) | JAM3 | H0YD98 | 1 |
| Junctional sarcoplasmic reticulum protein 1 (Junctional-face membrane protein of 45 kDa homolog) (JP-45) | JSRP1 JP45 | Q96MG2 | 1 |
| Junctophilin-2 (JP-2) (Junctophilin type 2) | JPH2 JP2 | Q9BR39 | 1 |
| K light chain variable region (Fragment) | 0 | A2NXP9 | 1 |
| Kallikrein 3, (Prostate specific antigen), isoform CRA_d (Prostate-specific antigen) | KLK3 hCG_22929 | M0R294 | 1 |
| Kallikrein-1 | KLK1 | M0R318 | 1 |
| Kallikrein-14 (hK14) (EC 3.4.21.-) (Kallikrein-like protein 6) (KLK-L6) | KLK14 KLKL6 | Q9P0G3 | 1 |
| Kallikrein-15 (EC 3.4.21.-) (ACO protease) | KLK15 | Q9H2R5 | 1 |
| Kallikrein-8 (hK8) (EC 3.4.21.118) (Neuropsin) (NP) (Ovasin) (Serine protease 19) (Serine protease TADG-14) (Tumor-associated differentially expressed gene 14 protein) | KLK8 NRPN PRSS19 TADG14 UNQ283/PRO322 | O60259 | 1 |
| Kappa-casein | CSN3 CASK CSN10 CSNK | P07498 | 1 |
| KAT8 regulatory NSL complex subunit 3 | KANSL3 | C9JF16 | 1 |
| KAT8 regulatory NSL complex subunit 3 (NSL complex protein NSL3) (Non-specific lethal 3 homolog) (Serum inhibited-related protein) (Testis development protein PRTD) | KANSL3 KIAA1310 NSL3 PRTD SI1 | Q9P2N6 | 1 |
| Katanin p60 ATPase-containing subunit A-like 2 | KATNAL2 | K7EQ00 | 1 |
| Katanin p60 ATPase-containing subunit A-like 2 (Fragment) | KATNAL2 | K7EIJ8 | 1 |
| Katanin p80 WD40 repeat-containing subunit B1 (Fragment) | KATNB1 | H3BTU7 | 1 |
| Kelch domain-containing protein 7A | KLHDC7A | Q5VTJ3 | 1 |
| Kelch repeat and BTB (POZ) domain containing 3, isoform CRA_a (Kelch repeat and BTB domain-containing protein 3) | KBTBD3 hCG_40528 | G3V161 | 1 |
| Kelch-like protein 1 | KLHL1 KIAA1490 | Q9NR64 | 1 |
| Kelch-like protein 11 | KLHL11 | Q9NVR0 | 1 |
| Kelch-like protein 13 (BTB and kelch domain-containing protein 2) | KLHL13 BKLHD2 KIAA1309 | Q9P2N7 | 1 |
| Kelch-like protein 18 | KLHL18 KIAA0795 OK/SW-cl.74 | O94889 | 1 |
| Kelch-like protein 22 (Fragment) | KLHL22 | C9J191 | 1 |
| Kelch-like protein 22 (Fragment) | KLHL22 | C9J2T1 | 1 |
| Kelch-like protein 32 (BTB and kelch domain-containing protein 5) | KLHL32 BKLHD5 KIAA1900 | Q96NJ5 | 1 |
| Kelch-like protein 34 | KLHL34 | Q8N239 | 1 |
| Kelch-like protein 41 (Kel-like protein 23) (Kelch repeat and BTB domain-containing protein 10) (Kelch-related protein 1) (Sarcosin) | KLHL41 KBTBD10 KRP1 | O60662 | 1 |
| Kelch-like protein 42 (Cullin-3-binding protein 9) (Ctb9) (Kelch domain-containing protein 5) | KLHL42 KIAA1340 KLHDC5 | Q9P2K6 | 1 |
| Kelch-like protein 5 | KLHL5 | G3XA92 | 1 |
| Kelch-like protein 7 | KLHL7 | Q8IXQ5 | 1 |
| Kelch-like protein 8 | KLHL8 KIAA1378 | Q9P2G9 | 1 |
| Keratin 1 | KRT1 | H6VRG2 | 1 |
| Keratin 1 | KRT1 | H6VRF8 | 1 |
| Keratin, type I cuticular Ha4 | KRT34 | A0A140TA69 | 1 |
| Keratin, type II cuticular Hb1 | KRT81 | A0A087X106 | 1 |
| Keratin, type II cuticular Hb5 | KRT85 | F5GYI5 | 1 |
| Keratin, type II cytoskeletal 72 (Cytokeratin-72) (CK-72) (Keratin-72) (K72) (Type II inner root sheath-specific keratin-K6irs2) (Type-II keratin Kb35) | KRT72 K6IRS2 KB35 KRT6 KRT6IRS2 | B4DEI8 | 1 |
| Keratin, type II cytoskeletal 72 (Fragment) | KRT72 | H0YIG3 | 1 |
| Keratin, type II cytoskeletal 78 (Fragment) | KRT78 | H0YI54 | 1 |
| Keratin-associated protein 1-1 (High sulfur keratin-associated protein 1.1) (Keratin-associated protein 1.1) (Keratin-associated protein 1.6) (Keratin-associated protein 1.7) | KRTAP1-1 B2A KAP1.1 KAP1.6 KAP1.7 KRTAP1.1 | Q07627 | 1 |
| Keratin-associated protein 1-3 (Keratin-associated protein 1.8) (Keratin-associated protein 1.9) | KRTAP1-3 B2B KAP1.2 KAP1.3 KAP1.8 KAP1.9 KRATP1.9 KRTAP1.8 | Q8IUG1 | 1 |
| Keratin-associated protein 1-5 (High sulfur keratin-associated protein 1.5) (Keratin-associated protein 1.5) | KRTAP1-5 KAP1.5 KRTAP1.5 | Q9BYS1 | 1 |
| Keratin-associated protein 10-10 (High sulfur keratin-associated protein 10.10) (Keratin-associated protein 10.10) (Keratin-associated protein 18-10) (Keratin-associated protein 18.10) | KRTAP10-10 KAP10.10 KAP18-10 KRTAP10.10 KRTAP18-1 KRTAP18.10 | P60014 | 1 |