| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q2QLA9 | Hepatocyte growth factor receptor; HGF receptor; EC 2.7.10.1; HGF/SF receptor; Proto-oncogene c-Met; Scatter factor receptor; SF receptor; Tyrosine-protein kinase Met; | MET; | NP_001107619.1; | 1381 | horse |
| P61280 | Melanotropin alpha; Alpha-MSH; | NULL | NULL | 13 | horse |
| P01202 | Melanotropin beta; Beta-MSH; | NULL | NULL | 18 | horse |
| O18927 | Collagenase 3; EC 3.4.24.-; Matrix metalloproteinase-13; MMP-13; | MMP13; | NP_001075273.1; | 472 | horse |
| Q9XSZ5 | Interstitial collagenase; EC 3.4.24.7; Matrix metalloproteinase-1; MMP-1; | MMP1; | NP_001075316.1; | 469 | horse |
| Q28397 | Stromelysin-1; SL-1; EC 3.4.24.17; Matrix metalloproteinase-3; MMP-3; | MMP3; | NP_001075964.1; | 477 | horse |
| O46617 | Promotilin; Fragment; [Cleaved into: Motilin; Motilin-associated peptide (MAP)]; | MLN; | NULL | 92 | horse |
| P79166 | Melanocyte-stimulating hormone receptor; MSH-R; Melanocortin receptor 1; MC1-R; | MC1R; | NP_001108006.1; | 317 | horse |
| P02800 | Metallothionein-1A; MT-1A; Metallothionein-IA; MT-IA; | NULL | NULL | 61 | horse |
| P02801 | Metallothionein-1B; MT-1B; Metallothionein-IB; MT-IB; | NULL | NULL | 61 | horse |
| P37360 | Metallothionein-3; MT-3; Growth inhibitory factor; GIF; Metallothionein-III; MT-III; | MT3; | NULL | 68 | horse |
| Q28379 | Interferon-induced GTP-binding protein Mx1; Interferon-regulated resistance GTP-binding protein MxA; Myxoma resistance protein 1; Myxovirus resistance protein 1; [Cleaved into: Interferon-induced GTP-binding protein Mx1, N-terminally processed]; | MX1; | NP_001075961.1; | 660 | horse |
| P68082 | Myoglobin; | MB; | NP_001157488.1; | 154 | horse |
| Q8MJV0 | Myosin-1; Myosin heavy chain 1; Myosin heavy chain 2x; MyHC-2x; Myosin heavy chain, skeletal muscle, adult 1; | MYH1; | NP_001075228.1;XP_005597093.1; | 1938 | horse |
| Q8MJV1 | Myosin-2; Myosin heavy chain 2; Myosin heavy chain 2a; MyHC-2a; Myosin heavy chain, skeletal muscle, adult 2; | MYH2; | NP_001075229.1; | 1937 | horse |
| Q8MJU9 | Myosin-7; Myosin heavy chain 7; Myosin heavy chain slow isoform; MyHC-slow; Myosin heavy chain, cardiac muscle beta isoform; MyHC-beta; | MYH7; | NP_001075227.1; | 1935 | horse |
| Q6WEB5 | Myelin protein P0; Myelin peripheral protein; MPP; Myelin protein zero; | MPZ; | NP_001075363.1; | 248 | horse |
| P0C6G6 | Myelin P2 protein; | PMP2; | NULL | 132 | horse |
| P01176 | Oxytocin-neurophysin 1; OT-NPI; Fragment; [Cleaved into: Oxytocin (Ocytocin); Neurophysin 1]; | OXT; | NULL | 105 | horse |
| P01182 | Neurophysin 2; Fragment; | AVP; | NULL | 92 | horse |
