| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q9GMS5 | Interphotoreceptor matrix proteoglycan 1; Mucin-like glycoprotein associated with photoreceptor cells; Sialoprotein associated with cones and rods; | IMPG1; MLGAPC; | NP_776787.1; | 794 | cow |
| Q29RS4 | INO80 complex subunit E; Coiled-coil domain-containing protein 95; | INO80E; CCDC95; | NP_001040009.1; | 244 | cow |
| Q04790 | Interferon alpha/beta receptor 1; IFN-R-1; IFN-alpha/beta receptor 1; Type I interferon receptor 1; | IFNAR1; IFNAR; | NP_776977.1; | 560 | cow |
| Q95141 | Interferon alpha/beta receptor 2; IFN-R-2; IFN-alpha/beta receptor 2; Type I interferon receptor 2; | IFNAR2; IFNARB; | NP_776978.1; | 530 | cow |
| Q3T095 | Inhibitor of growth protein 4; p29ING4; | ING4; | NP_001030466.1; | 248 | cow |
| P07994 | Inhibin alpha chain; | INHA; | NP_776519.2; | 360 | cow |
| P07995 | Inhibin beta A chain; Activin beta-A chain; | INHBA; | NP_776788.1;XP_005205677.1; | 425 | cow |
| P42917 | Inhibin beta B chain; Activin beta-B chain; | INHBB; | NP_789822.1; | 408 | cow |
| Q2NL29 | Inositol-3-phosphate synthase 1; IPS 1; EC 5.5.1.4; Myo-inositol 1-phosphate synthase; MI-1-P synthase; MIP synthase; | ISYNA1; INO1; | NP_001039497.1; | 557 | cow |
| P21327 | Inositol polyphosphate 1-phosphatase; IPP; IPPase; EC 3.1.3.57; | INPP1; | NP_776789.1;XP_005202248.1;XP_005202249.1;XP_005202250.1;XP_005202251.1; | 400 | cow |
| A0JNC3 | Insulin-induced gene 1 protein; INSIG-1; | INSIG1; | NP_001071377.1; | 276 | cow |
| O77801 | Insulin-like 3; Leydig insulin-like peptide; Ley-I-L; Relaxin-like factor; [Cleaved into: Insulin-like 3 B' chain; Insulin-like 3 B chain; Insulin-like 3 A chain]; | INSL3; RLF; | NP_776790.1; | 132 | cow |
| Q32L79 | Insulin-like peptide INSL6; Insulin-like peptide 6; [Cleaved into: Insulin-like peptide INSL6 B chain; Insulin-like peptide INSL6 A chain]; | INSL6; | NP_001070989.1; | 205 | cow |
| A6H7J1 | Insulinoma-associated protein 1; Zinc finger protein IA-1; | INSM1; IA1; | NP_001094700.1; | 522 | cow |
| P01317 | Insulin; [Cleaved into: Insulin B chain; Insulin A chain]; | INS; | NULL | 105 | cow |
| Q2YDM2 | Integrator complex subunit 11; Int11; EC 3.1.27.-; Cleavage and polyadenylation-specific factor 3-like protein; CPSF3-like protein; | CPSF3L; INTS11; | NULL | 599 | cow |
| Q32LL5 | Integrator complex subunit 12; Int12; PHD finger protein 22; | INTS12; PHF22; | NP_001069221.1;XP_005207666.1; | 462 | cow |
| Q1RMS6 | Integrator complex subunit 7; Int7; | INTS7; | NP_001069512.1; | 962 | cow |
| Q2KJA6 | Integrator complex subunit 9; Int9; | INTS9; | NP_001039828.1; | 658 | cow |
| F1MDL2 | Protein inturned; Inturned planar cell polarity effector homolog; PDZ domain-containing protein 6; | INTU; PDZD6; | NP_001192784.1; | 933 | cow |
