| Matrix extracellular phosphoglycoprotein (Osteoblast/osteocyte factor 45) (OF45) | MEPE | Q9NQ76 | 1 |
| Matrix metallopeptidase 11 (Stromelysin 3), isoform CRA_b (cDNA PSEC0140 fis, clone PLACE1005783, highly similar to STROMELYSIN-3 (EC 3.4.24.-)) | MMP11 hCG_41094 | B3KQS8 | 1 |
| Matrix metalloproteinase-14 (MMP-14) (EC 3.4.24.80) (MMP-X1) (Membrane-type matrix metalloproteinase 1) (MT-MMP 1) (MTMMP1) (Membrane-type-1 matrix metalloproteinase) (MT1-MMP) (MT1MMP) | MMP14 | P50281 | 1 |
| Matrix metalloproteinase-20 (MMP-20) (EC 3.4.24.-) (Enamel metalloproteinase) (Enamelysin) | MMP20 | O60882 | 1 |
| Matrix metalloproteinase-21 (MMP-21) (EC 3.4.24.-) | MMP21 | Q8N119 | 1 |
| Matrix metalloproteinase-26 (MMP-26) (EC 3.4.24.-) (Endometase) (Matrilysin-2) | MMP26 | Q9NRE1 | 1 |
| Matrix-remodeling-associated protein 5 (Adhesion protein with leucine-rich repeats and immunoglobulin domains related to perlecan) (Adlican) | MXRA5 | Q9NR99 | 1 |
| MCM domain-containing protein 2 | MCMDC2 C8orf45 | Q4G0Z9 | 1 |
| MCM5 minichromosome maintenance deficient 5, cell division cycle 46 (S. cerevisiae), isoform CRA_a (cDNA, FLJ92902, Homo sapiens MCM5 minichromosome maintenance deficient 5, celldivision cycle 46 (S. cerevisiae) (MCM5), mRNA) | MCM5 hCG_41525 | B1AHB0 | 1 |
| Mdm2-binding protein (hMTBP) | MTBP | Q96DY7 | 1 |
| Mediator of DNA damage checkpoint 1 variant 1 (Fragment) | MDC1 | A1Z5I9 | 1 |
| Mediator of DNA damage checkpoint protein 1 (Nuclear factor with BRCT domains 1) | MDC1 KIAA0170 NFBD1 | Q14676 | 1 |
| Mediator of RNA polymerase II transcription subunit 19 (Lung cancer metastasis-related protein 1) (Mediator complex subunit 19) | MED19 LCMR1 | A0JLT2 | 1 |
| Mediator of RNA polymerase II transcription subunit 23 (Activator-recruited cofactor 130 kDa component) (ARC130) (Cofactor required for Sp1 transcriptional activation subunit 3) (CRSP complex subunit 3) (Mediator complex subunit 23) (Protein sur-2 homolog) (hSur-2) (Transcriptional coactivator CRSP130) (Vitamin D3 receptor-interacting protein complex 130 kDa component) (DRIP130) | MED23 ARC130 CRSP3 DRIP130 KIAA1216 SUR2 | Q9ULK4 | 1 |
| Mediator of RNA polymerase II transcription subunit 28 (Endothelial-derived protein 1) (Mediator complex subunit 28) (Merlin and Grb2-interacting cytoskeletal protein) (Magicin) (Tumor angiogenesis marker EG-1) | MED28 EG1 FKSG20 | Q9H204 | 1 |
| MEI1 protein | MEI1 | Q4G0I1 | 1 |
| Meiosis-specific with OB domain-containing protein | MEIOB C16orf73 | Q8N635 | 1 |
| Meiotic recombination protein REC8 homolog (Cohesin Rec8p) | REC8 REC8L1 | O95072 | 1 |
| Meiotic recombination protein SPO11 (Cancer/testis antigen 35) (CT35) | SPO11 | Q9Y5K1 | 1 |
| Melanocortin receptor 3 (MC3-R) | MC3R | P41968 | 1 |
| Melanocyte-stimulating hormone receptor (MSH-R) (Melanocortin receptor 1) (MC1-R) | MC1R MSHR | Q01726 | 1 |
| Melanoma antigen family E, 1 (cDNA FLJ77131, highly similar to Homo sapiens melanoma antigen family E, 1 (MAGEE1), mRNA) | MAGEE1 hCG_1647013 RP4-596C3.1-001 | Q5JXC7 | 1 |
| Melanoma inhibitory activity protein 2 | MIA2 | Q96PC5 | 1 |
| Melanoma-associated antigen 2 (Cancer/testis antigen 1.2) (CT1.2) (MAGE-2 antigen) | MAGEA2 MAGE2 MAGEA2A; MAGEA2B MAGE2 MAGEA2 | P43356 | 1 |
| Melanoma-associated antigen 5 (Cancer/testis antigen 1.5) (CT1.5) (MAGE-5 antigen) | MAGEA5 MAGE5 | P43359 | 1 |
| Melanoma-associated antigen 8 (Cancer/testis antigen 1.8) (CT1.8) (MAGE-8 antigen) | MAGEA8 MAGE8 | P43361 | 1 |
| Melanoma-associated antigen C1 (Cancer/testis antigen 7.1) (CT7.1) (MAGE-C1 antigen) | MAGEC1 | O60732 | 1 |
| Melanoma-associated antigen F1 (MAGE-F1 antigen) | MAGEF1 | Q9HAY2 | 1 |
| Melanoma-associated antigen G1 (Hepatocellular carcinoma-associated protein 4) (MAGE-G1 antigen) (Necdin-like protein 2) | NDNL2 HCA4 MAGEG1 | Q96MG7 | 1 |
| Melastatin 2 (Fragment) | MLSN2 | Q9H200 | 1 |
| Melatonin receptor type 1B (Mel-1B-R) (Mel1b receptor) | MTNR1B | P49286 | 1 |
| Melatonin-related receptor (G protein-coupled receptor 50) (H9) | GPR50 | Q13585 | 1 |
| Membrane progestin receptor gamma (mPR gamma) (Progestin and adipoQ receptor family member 5) (Progestin and adipoQ receptor family member V) | PAQR5 MPRG | Q9NXK6 | 1 |
| Membrane protein, palmitoylated 2 (MAGUK p55 subfamily member 2), isoform CRA_b | MPP2 hCG_30288 | D3DX48 | 1 |
| Membrane-associated phospholipase A1 beta splice variant (Fragment) | LOC375108 | Q5D1Q2 | 1 |
| Membrane-associated transporter protein (Melanoma antigen AIM1) (Protein AIM-1) (Solute carrier family 45 member 2) | SLC45A2 AIM1 MATP | Q9UMX9 | 1 |
| Membrane-bound transcription factor site-2 protease (EC 3.4.24.85) (Endopeptidase S2P) (Sterol regulatory element-binding proteins intramembrane protease) (SREBPs intramembrane protease) | MBTPS2 S2P | O43462 | 1 |
| Membrane-spanning 4-domains subfamily A member 10 (CD20 antigen-like 7) | MS4A10 CD20L7 MS4A9 | Q96PG2 | 1 |
| Membrane-spanning 4-domains subfamily A member 12 | MS4A12 | Q9NXJ0 | 1 |
| Membrane-spanning 4-domains subfamily A member 14 (Testis development protein NYD-SP21) | MS4A14 MS4A13 MS4A16 | Q96JA4 | 1 |
| Menin (Fragment) | MEN1 | Q9GZQ5 | 1 |
| Mesenteric estrogen-dependent adipogenesis protein (Activated in W/Wv mouse stomach 3 homolog) (hAWMS3) (Mesenteric estrogen-dependent adipose 4) (MEDA-4) | MEDAG AWMS3 C13orf33 MEDA4 | Q5VYS4 | 1 |
| Mesothelin (CAK1 antigen) (Pre-pro-megakaryocyte-potentiating factor) [Cleaved into: Megakaryocyte-potentiating factor (MPF); Mesothelin, cleaved form] | MSLN MPF | Q13421 | 1 |
| Mesotrypsinogen (Protease, serine, 3) (Protease, serine, 3 (Mesotrypsin), isoform CRA_b) | PRSS3 mesotrypsinogen hCG_2033679 | Q6ISJ4 | 1 |
| Metabotropic glutamate receptor 3 (mGluR3) | GRM3 GPRC1C MGLUR3 | Q14832 | 1 |
| Metabotropic glutamate receptor 6 (mGluR6) | GRM6 GPRC1F MGLUR6 | O15303 | 1 |
| Metabotropic glutamate receptor 7 (mGluR7) | GRM7 GPRC1G MGLUR7 | Q14831 | 1 |
| Metabotropic glutamate receptor 8 (mGluR8) | GRM8 GPRC1H MGLUR8 | O00222 | 1 |
| Metal transporter CNNM4 (Ancient conserved domain-containing protein 4) (Cyclin-M4) | CNNM4 ACDP4 KIAA1592 | Q6P4Q7 | 1 |
| Metallo-beta-lactamase domain-containing protein 1 (EC 3.-.-.-) | MBLAC1 | A4D2B0 | 1 |
| Metallo-beta-lactamase domain-containing protein 2 (EC 3.-.-.-) | MBLAC2 | Q68D91 | 1 |
| Metalloproteinase inhibitor 4 (Tissue inhibitor of metalloproteinases 4) (TIMP-4) | TIMP4 | Q99727 | 1 |
| Metalloreductase STEAP4 (EC 1.16.1.-) (Six-transmembrane epithelial antigen of prostate 4) (SixTransMembrane protein of prostate 2) (Tumor necrosis factor, alpha-induced protein 9) | STEAP4 STAMP2 TNFAIP9 | Q687X5 | 1 |
| Metastasis-associated protein MTA3 | MTA3 KIAA1266 | Q9BTC8 | 1 |
| Methylcytosine dioxygenase TET2 (EC 1.14.11.n2) | TET2 KIAA1546 Nbla00191 | Q6N021 | 1 |
| Methylcytosine dioxygenase TET3 (EC 1.14.11.n2) | TET3 KIAA0401 | O43151 | 1 |
| Methylmalonic aciduria type A protein, mitochondrial (EC 3.6.-.-) | MMAA | Q8IVH4 | 1 |
| Methylthioribulose-1-phosphate dehydratase (MTRu-1-P dehydratase) (EC 4.2.1.109) (APAF1-interacting protein) (hAPIP) | APIP CGI-29 | Q96GX9 | 1 |
| Methyltransferase-like protein 2A (EC 2.1.1.-) | METTL2A METTL2 HSPC266 | Q96IZ6 | 1 |
| Methyltransferase-like protein 6 (EC 2.1.1.-) | METTL6 | Q8TCB7 | 1 |
| Mevalonate kinase (Mevalonate kinase (Mevalonic aciduria), isoform CRA_c) (Mevalonate kinase 1) (cDNA, FLJ96772, Homo sapiens mevalonate kinase (mevalonic aciduria) (MVK), mRNA) | MVK hCG_40321 | B2RDU6 | 1 |
| MHC class I polypeptide-related sequence A (MIC-A) | MICA PERB11.1 | Q29983 | 1 |
| Microcephalin | MCPH1 | Q8NEM0 | 1 |
| Microfibril-associated glycoprotein 3 | MFAP3 | P55082 | 1 |
| Microfibrillar-associated protein 3-like (Testis development protein NYD-SP9) | MFAP3L KIAA0626 HSD-39 HSD39 | O75121 | 1 |
| Microsomal triglyceride transfer protein large subunit | MTTP MTP | P55157 | 1 |
| Microtubule-associated protein 2 (MAP-2) | MAP2 | P11137 | 1 |
| Microtubule-associated proteins 1A/1B light chain 3 beta 2 (Microtubule-associated proteins 1A/1B light chain 3B-like) | MAP1LC3B2 | A6NCE7 | 1 |
| Microtubule-associated proteins 1A/1B light chain 3C (Autophagy-related protein LC3 C) (Autophagy-related ubiquitin-like modifier LC3 C) (MAP1 light chain 3-like protein 3) (MAP1A/MAP1B light chain 3 C) (MAP1A/MAP1B LC3 C) (Microtubule-associated protein 1 light chain 3 gamma) | MAP1LC3C | Q9BXW4 | 1 |
| Microtubule-associated serine/threonine-protein kinase 4 (EC 2.7.11.1) | MAST4 KIAA0303 | O15021 | 1 |
| MIF4G domain-containing protein (SLBP-interacting protein 1) (hSLIP1) | MIF4GD SLIP1 | A9UHW6 | 1 |
| Mineralocorticoid receptor (MR) (Nuclear receptor subfamily 3 group C member 2) | NR3C2 MCR MLR | P08235 | 1 |
| Mini-chromosome maintenance complex-binding protein (MCM-BP) (MCM-binding protein) | MCMBP C10orf119 | Q9BTE3 | 1 |
| Minor histocompatibility protein HA-1 [Cleaved into: Minor histocompatibility antigen HA-1 (mHag HA-1)] | HMHA1 KIAA0223 | Q92619 | 1 |
| MIR-10 | MIR cl-10 | A2IXV5 | 1 |
| Mitochondrial 10-formyltetrahydrofolate dehydrogenase (Mitochondrial 10-FTHFDH) (mtFDH) (EC 1.5.1.6) (Aldehyde dehydrogenase family 1 member L2) | ALDH1L2 | Q3SY69 | 1 |
| Mitochondrial dicarboxylate carrier (Solute carrier family 25 member 10) | SLC25A10 DIC | Q9UBX3 | 1 |
| Mitochondrial DNA polymerase subunit gamma-2 (Polymerase (DNA directed), gamma 2, accessory subunit) | POLG2 hCG_28169 | E5KS15 | 1 |
| Mitochondrial endonuclease G | 0 | E5KNL5 | 1 |
| Mitochondrial import inner membrane translocase subunit Tim13 | TIMM13 TIM13B TIMM13A TIMM13B | Q9Y5L4 | 1 |
| Mitochondrial inner membrane protease subunit 1 (EC 3.4.21.-) (IMP1-like protein) | IMMP1L | Q96LU5 | 1 |
| Mitochondrial ornithine transporter 2 (Solute carrier family 25 member 2) | SLC25A2 ORNT2 | Q9BXI2 | 1 |
| Mitochondrial ribosomal protein L32 (Mitochondrial ribosomal protein L32, isoform CRA_d) (cDNA, FLJ93927, Homo sapiens mitochondrial ribosomal protein L32 (MRPL32), nucleargene encoding mitochondrial protein, mRNA) | MRPL32 hCG_19886 tcag7.484 | A4D1V4 | 1 |
| Mitochondrial tRNA-specific 2-thiouridylase 1 (EC 2.8.1.-) (MTO2 homolog) | TRMU MTU1 TRMT1 | O75648 | 1 |
| Mitoferrin-1 (Mitochondrial iron transporter 1) (Mitochondrial solute carrier protein) (Solute carrier family 25 member 37) | SLC25A37 MFRN MSCP HT015 | Q9NYZ2 | 1 |
| Mitogen-activated protein kinase 11 (MAP kinase 11) (MAPK 11) (EC 2.7.11.24) (Mitogen-activated protein kinase p38 beta) (MAP kinase p38 beta) (p38b) (Stress-activated protein kinase 2b) (SAPK2b) (p38-2) | MAPK11 PRKM11 SAPK2 SAPK2B | Q15759 | 1 |
| Mitogen-activated protein kinase 12 (MAP kinase 12) (MAPK 12) (EC 2.7.11.24) (Extracellular signal-regulated kinase 6) (ERK-6) (Mitogen-activated protein kinase p38 gamma) (MAP kinase p38 gamma) (Stress-activated protein kinase 3) | MAPK12 ERK6 SAPK3 | P53778 | 1 |
| Mitogen-activated protein kinase kinase kinase 14 (EC 2.7.11.25) (NF-kappa-beta-inducing kinase) (HsNIK) (Serine/threonine-protein kinase NIK) | MAP3K14 NIK | Q99558 | 1 |
| Mitogen-activated protein kinase kinase kinase 15 (EC 2.7.11.25) (Apoptosis signal-regulating kinase 3) (MAPK/ERK kinase kinase 15) (MEK kinase 15) (MEKK 15) | MAP3K15 ASK3 | Q6ZN16 | 1 |
| Mitogen-activated protein kinase kinase kinase 5 (EC 2.7.11.25) (Apoptosis signal-regulating kinase 1) (ASK-1) (MAPK/ERK kinase kinase 5) (MEK kinase 5) (MEKK 5) | MAP3K5 ASK1 MAPKKK5 MEKK5 | Q99683 | 1 |
| Mitogen-activated protein kinase kinase kinase MLK4 (EC 2.7.11.25) (Mixed lineage kinase 4) | MLK4 KIAA1804 | Q5TCX8 | 1 |
| Mitotic checkpoint serine/threonine-protein kinase BUB1 beta (EC 2.7.11.1) (MAD3/BUB1-related protein kinase) (hBUBR1) (Mitotic checkpoint kinase MAD3L) (Protein SSK1) | BUB1B BUBR1 MAD3L SSK1 | O60566 | 1 |
| MKL/myocardin-like protein 1 (Megakaryoblastic leukemia 1 protein) (Megakaryocytic acute leukemia protein) (Myocardin-related transcription factor A) (MRTF-A) | MKL1 KIAA1438 MAL | Q969V6 | 1 |
| MMP17 protein | MMP17 | Q8IWC3 | 1 |
| MOB kinase activator 1B (Mob1 homolog 1A) (Mob1A) (Mob1B) (Mps one binder kinase activator-like 1A) | MOB1B MOB4A MOBKL1A | Q7L9L4 | 1 |
| Monoacylglycerol lipase ABHD6 (EC 3.1.1.23) (2-arachidonoylglycerol hydrolase) (Abhydrolase domain-containing protein 6) | ABHD6 | Q9BV23 | 1 |
| Monocarboxylate transporter 1 (MCT 1) (Solute carrier family 16 member 1) | SLC16A1 MCT1 | P53985 | 1 |
| Monocarboxylate transporter 10 (MCT 10) (Aromatic amino acid transporter 1) (Solute carrier family 16 member 10) (T-type amino acid transporter 1) | SLC16A10 MCT10 TAT1 | Q8TF71 | 1 |
| Monocarboxylate transporter 12 | SLC16A12 | E9PSF9 | 1 |
| Monocarboxylate transporter 13 (MCT 13) (Solute carrier family 16 member 13) | SLC16A13 MCT13 | Q7RTY0 | 1 |