| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| O97711 | Hyaluronan synthase 2; EC 2.4.1.212; Hyaluronate synthase 2; Hyaluronic acid synthase 2; HA synthase 2; | HAS2; | NP_776504.1; | 552 | cow |
| A5PJU6 | Hydroxylysine kinase; 5-hydroxy-L-lysine kinase; EC 2.7.1.81; Aminoglycoside phosphotransferase domain-containing protein 1; | HYKK; AGPHD1; | NP_001092517.1;XP_005222020.1;XP_005222021.1;XP_005222022.1; | 376 | cow |
| Q2KI52 | Hydrolethalus syndrome protein 1 homolog; | HYLS1; | NP_001039904.1;XP_005226879.1; | 314 | cow |
| Q9BEG2 | Interleukin-12 receptor subunit beta-2; IL-12 receptor subunit beta-2; IL-12R subunit beta-2; IL-12R-beta-2; IL-12RB2; | IL12RB2; | NP_777070.1; | 861 | cow |
| Q2YDK1 | Interferon-stimulated 20 kDa exonuclease-like 2; EC 3.1.-.-; | ISG20L2; | NP_001039682.1;XP_005203763.1; | 349 | cow |
| Q3SYS8 | Interleukin-22 receptor subunit alpha-1; IL-22 receptor subunit alpha-1; IL-22R-alpha-1; IL-22RA1; | IL22RA1; | NP_001029483.1; | 581 | cow |
| Q24JY7 | Interferon alpha-inducible protein 27-like protein 2; Interferon-stimulated gene 12b protein; ISG12(b); | IFI27L2; FAM14A; | NP_001069529.1; | 133 | cow |
| P01000 | Acrosin inhibitor 1; Acrosin inhibitor I; BUSI-I; | NULL | NULL | 63 | cow |
| Q3SZ16 | Isoamyl acetate-hydrolyzing esterase 1 homolog; EC 3.1.-.-; | IAH1; | NP_001029930.1; | 249 | cow |
| Q28207 | Islet amyloid polypeptide; Amylin; | IAPP; | NP_001181967.1; | 91 | cow |
| P24591 | Insulin-like growth factor-binding protein 1; IBP-1; IGF-binding protein 1; IGFBP-1; bIGFBP-1; | IGFBP1; | NP_776979.2; | 263 | cow |
| P13384 | Insulin-like growth factor-binding protein 2; IBP-2; IGF-binding protein 2; IGFBP-2; | IGFBP2; | NP_776980.1; | 317 | cow |
| P20959 | Insulin-like growth factor-binding protein 3; IBP-3; IGF-binding protein 3; IGFBP-3; | IGFBP3; | NP_776981.1; | 291 | cow |
| Q05716 | Insulin-like growth factor-binding protein 4; IBP-4; IGF-binding protein 4; IGFBP-4; | IGFBP4; | NP_776982.1; | 258 | cow |
| Q05717 | Insulin-like growth factor-binding protein 5; IBP-5; IGF-binding protein 5; IGFBP-5; | IGFBP5; | NP_001098797.1; | 271 | cow |
| Q05718 | Insulin-like growth factor-binding protein 6; IBP-6; IGF-binding protein 6; IGFBP-6; | IGFBP6; | NP_001035585.1; | 237 | cow |
| P00976 | Colostrum trypsin inhibitor; Colostrum BPI; | NULL | NULL | 67 | cow |
| A5PKD8 | Insulin-like growth factor-binding protein-like 1; | IGFBPL1; | NP_001092631.1; | 274 | cow |
| P00975 | Serum basic protease inhibitor; Serum BPI; | NULL | NULL | 60 | cow |
| P20811 | Calpastatin; Calpain inhibitor; | CAST; | NULL | 705 | cow |
