| La-related protein 1B (La ribonucleoprotein domain family member 1B) (La ribonucleoprotein domain family member 2) (La-related protein 2) | LARP1B LARP2 | Q659C4 | 5 |
| La-related protein 4 (La ribonucleoprotein domain family member 4) | LARP4 PP13296 | Q71RC2 | 5 |
| Lactadherin (Breast epithelial antigen BA46) (HMFG) (MFGM) (Milk fat globule-EGF factor 8) (MFG-E8) (SED1) [Cleaved into: Lactadherin short form; Medin] | MFGE8 | Q08431 | 5 |
| Lactosylceramide alpha-2,3-sialyltransferase (EC 2.4.99.9) (CMP-NeuAc:lactosylceramide alpha-2,3-sialyltransferase) (Ganglioside GM3 synthase) (ST3Gal V) (ST3GalV) (Sialyltransferase 9) | ST3GAL5 SIAT9 UNQ2510/PRO5998 | Q9UNP4 | 5 |
| Lamina-associated polypeptide 2, isoform alpha (Thymopoietin isoform alpha) (TP alpha) (Thymopoietin-related peptide isoform alpha) (TPRP isoform alpha) [Cleaved into: Thymopoietin (TP) (Splenin); Thymopentin (TP5)] | TMPO LAP2 | P42166 | 5 |
| Laminin subunit alpha-1 (Laminin A chain) (Laminin-1 subunit alpha) (Laminin-3 subunit alpha) (S-laminin subunit alpha) (S-LAM alpha) | LAMA1 LAMA | P25391 | 5 |
| Lanosterol 14-alpha demethylase (LDM) (EC 1.14.13.70) (CYPLI) (Cytochrome P450 51A1) (Cytochrome P450-14DM) (Cytochrome P45014DM) (Cytochrome P450LI) (Sterol 14-alpha demethylase) | CYP51A1 CYP51 | Q16850 | 5 |
| Late cornified envelope protein 2A (Late envelope protein 9) | LCE2A LEP9 | Q5TA79 | 5 |
| Late cornified envelope protein 5A (Late envelope protein 18) (Small proline-rich-like epidermal differentiation complex protein 5A) | LCE5A LEP18 SPRL5A | Q5TCM9 | 5 |
| Lck-interacting transmembrane adapter 1 (Lck-interacting membrane protein) (Lck-interacting molecule) | LIME1 LIME LP8067 | Q9H400 | 5 |
| Lethal(2) giant larvae protein homolog 1 (LLGL) (DLG4) (Hugl-1) (Human homolog to the D-lgl gene protein) | LLGL1 DLG4 HUGL HUGL1 | Q15334 | 5 |
| Leucine-rich repeat and fibronectin type-III domain-containing protein 2 (Synaptic adhesion-like molecule 1) | LRFN2 KIAA1246 SALM1 | Q9ULH4 | 5 |
| Leucine-rich repeat-containing protein 16A (CARMIL homolog) | LRRC16A CARMIL CARMIL1a LRRC16 | Q5VZK9 | 5 |
| Leucine-rich repeat-containing protein 20 | LRRC20 UNQ2429/PRO4989 | Q8TCA0 | 5 |
| Leucine-rich repeat-containing protein 45 | LRRC45 | Q96CN5 | 5 |
| Leucine-rich repeat-containing protein 8A | LRRC8A KIAA1437 LRRC8 UNQ221/PRO247 | Q8IWT6 | 5 |
| Leucine-zipper-like transcriptional regulator 1 (LZTR-1) | LZTR1 TCFL2 | Q8N653 | 5 |
| Leukemia inhibitory factor (LIF) (Differentiation-stimulating factor) (D factor) (Melanoma-derived LPL inhibitor) (MLPLI) (Emfilermin) | LIF HILDA | P15018 | 5 |
| LIM domain-containing protein 2 | LIMD2 SB143 | Q9BT23 | 5 |
| LIM/homeobox protein Lhx6 (LIM homeobox protein 6) (LIM/homeobox protein Lhx6.1) | LHX6 LHX6.1 | Q9UPM6 | 5 |
| LisH domain-containing protein FOPNL (FGFR1OP N-terminal-like protein) (FOP-related protein of 20 kDa) | FOPNL C16orf63 FOR20 PHSECRG2 | Q96NB1 | 5 |
| Low density lipoprotein receptor adapter protein 1 (Autosomal recessive hypercholesterolemia protein) | LDLRAP1 ARH | Q5SW96 | 5 |
| Low-density lipoprotein receptor (LDL receptor) | LDLR | P01130 | 5 |
| Low-density lipoprotein receptor-related protein 10 (LRP-10) | LRP10 MSTP087 SP220 UNQ389/PRO724 | Q7Z4F1 | 5 |
| Lymphocyte antigen 6 complex locus protein G5c | LY6G5C C6orf20 G5C NG33 | Q5SRR4 | 5 |
| Lymphocyte cytosolic protein 2 (SH2 domain-containing leukocyte protein of 76 kDa) (SLP-76 tyrosine phosphoprotein) (SLP76) | LCP2 | Q13094 | 5 |
| LYR motif-containing protein 5 | LYRM5 | Q6IPR1 | 5 |
| Lysine-specific demethylase 2B (EC 1.14.11.27) (CXXC-type zinc finger protein 2) (F-box and leucine-rich repeat protein 10) (F-box protein FBL10) (F-box/LRR-repeat protein 10) (JmjC domain-containing histone demethylation protein 1B) (Jumonji domain-containing EMSY-interactor methyltransferase motif protein) (Protein JEMMA) (Protein-containing CXXC domain 2) ([Histone-H3]-lysine-36 demethylase 1B) | KDM2B CXXC2 FBL10 FBXL10 JHDM1B PCCX2 | Q8NHM5 | 5 |
| Lysosomal Pro-X carboxypeptidase (EC 3.4.16.2) (Angiotensinase C) (Lysosomal carboxypeptidase C) (Proline carboxypeptidase) (Prolylcarboxypeptidase) (PRCP) | PRCP PCP | P42785 | 5 |
| Lysosomal-associated transmembrane protein 5 (Lysosomal-associated multitransmembrane protein 5) (Retinoic acid-inducible E3 protein) | LAPTM5 KIAA0085 | Q13571 | 5 |
| Lysosome membrane protein 2 (85 kDa lysosomal membrane sialoglycoprotein) (LGP85) (CD36 antigen-like 2) (Lysosome membrane protein II) (LIMP II) (Scavenger receptor class B member 2) (CD antigen CD36) | SCARB2 CD36L2 LIMP2 LIMPII | Q14108 | 5 |
| m7GpppN-mRNA hydrolase (EC 3.6.1.62) (Nucleoside diphosphate-linked moiety X motif 20) (Nudix motif 20) (mRNA-decapping enzyme 2) (hDpc) | DCP2 NUDT20 | Q8IU60 | 5 |
| Macrosialin (Gp110) (CD antigen CD68) | CD68 | P34810 | 5 |
| MAD2L1-binding protein (Caught by MAD2 protein) | MAD2L1BP CMT2 KIAA0110 | Q15013 | 5 |
| Major facilitator superfamily domain-containing protein 1 (Smooth muscle cell-associated protein 4) (SMAP-4) | MFSD1 SMAP4 UG0581B09 | Q9H3U5 | 5 |
| Major facilitator superfamily domain-containing protein 10 (Tetracycline transporter-like protein) | MFSD10 TETRAN | Q14728 | 5 |
| Major facilitator superfamily domain-containing protein 7 (Myosin light polypeptide 5 regulatory protein) (MYL5) | MFSD7 LP2561 UNQ385/PRO717 | Q6UXD7 | 5 |
| Major prion protein | PRNP hCG_1785425 | Q53YK7 | 5 |
| Major vault protein (MVP) (Lung resistance-related protein) | MVP LRP | Q14764 | 5 |
| Male-enhanced antigen 1 (MEA-1) | MEA1 MEA | Q16626 | 5 |
| MAP kinase-interacting serine/threonine-protein kinase 2 (EC 2.7.11.1) (MAP kinase signal-integrating kinase 2) (MAPK signal-integrating kinase 2) (Mnk2) | MKNK2 GPRK7 MNK2 | Q9HBH9 | 5 |
| Matrix metalloproteinase 1 preproprotein variant (Fragment) | 0 | Q53G95 | 5 |
| Mediator of RNA polymerase II transcription subunit 10 (Mediator complex subunit 10) (Transformation-related gene 17 protein) (TRG-17) (Transformation-related gene 20 protein) (TRG-20) | MED10 L6 TRG17 TRG20 | Q9BTT4 | 5 |
| Mediator of RNA polymerase II transcription subunit 12 (Activator-recruited cofactor 240 kDa component) (ARC240) (CAG repeat protein 45) (Mediator complex subunit 12) (OPA-containing protein) (Thyroid hormone receptor-associated protein complex 230 kDa component) (Trap230) (Trinucleotide repeat-containing gene 11 protein) | MED12 ARC240 CAGH45 HOPA KIAA0192 TNRC11 TRAP230 | Q93074 | 5 |
| Melanoma antigen recognized by T-cells 1 (MART-1) (Antigen LB39-AA) (Antigen SK29-AA) (Protein Melan-A) | MLANA MART1 | Q16655 | 5 |
| Membrane magnesium transporter 1 (ER membrane protein complex subunit 5) (Transmembrane protein 32) | MMGT1 EMC5 TMEM32 | Q8N4V1 | 5 |
| Mesoderm posterior protein 1 (Class C basic helix-loop-helix protein 5) (bHLHc5) | MESP1 BHLHC5 | Q9BRJ9 | 5 |
| Mesoderm-specific transcript homolog protein (EC 3.-.-.-) (Paternally-expressed gene 1 protein) | MEST PEG1 | Q5EB52 | 5 |
| Metal-response element-binding transcription factor 2 (Metal regulatory transcription factor 2) (Metal-response element DNA-binding protein M96) (Polycomb-like protein 2) (hPCl2) | MTF2 PCL2 | Q9Y483 | 5 |
| Metalloproteinase inhibitor 1 (Erythroid-potentiating activity) (EPA) (Fibroblast collagenase inhibitor) (Collagenase inhibitor) (Tissue inhibitor of metalloproteinases 1) (TIMP-1) | TIMP1 CLGI TIMP | P01033 | 5 |
| Metalloproteinase inhibitor 3 (Protein MIG-5) (Tissue inhibitor of metalloproteinases 3) (TIMP-3) | TIMP3 | P35625 | 5 |
| Metastasis-associated protein MTA2 (Metastasis-associated 1-like 1) (MTA1-L1 protein) (p53 target protein in deacetylase complex) | MTA2 MTA1L1 PID | O94776 | 5 |
| Methionyl-tRNA formyltransferase, mitochondrial (MtFMT) (EC 2.1.2.9) | MTFMT FMT FMT1 | Q96DP5 | 5 |
| Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial (MCCase subunit beta) (EC 6.4.1.4) (3-methylcrotonyl-CoA carboxylase 2) (3-methylcrotonyl-CoA carboxylase non-biotin-containing subunit) (3-methylcrotonyl-CoA:carbon dioxide ligase subunit beta) | MCCC2 MCCB | Q9HCC0 | 5 |
| Methyltransferase-like protein 17, mitochondrial (EC 2.1.1.-) (False p73 target gene protein) (Methyltransferase 11 domain-containing protein 1) (Protein RSM22 homolog, mitochondrial) | METTL17 METT11D1 | Q9H7H0 | 5 |
| Methyltransferase-like protein 22 (EC 2.1.1.-) | METTL22 C16orf68 LP8272 | Q9BUU2 | 5 |
| Methyltransferase-like protein 23 (EC 2.1.1.-) | METTL23 C17orf95 | Q86XA0 | 5 |
| MHC class I antigen | HLA-B | E5FQ95 | 5 |
| MICAL-like protein 1 (Molecule interacting with Rab13) (MIRab13) | MICALL1 KIAA1668 MIRAB13 | Q8N3F8 | 5 |
| Mid1-interacting protein 1 (Gastrulation-specific G12-like protein) (Mid1-interacting G12-like protein) (Protein STRAIT11499) (Spot 14-related protein) (S14R) (Spot 14-R) | MID1IP1 MIG12 | Q9NPA3 | 5 |
| Migration and invasion enhancer 1 (HBV X-transactivated gene 4 protein) (HBV XAg-transactivated protein 4) (Protein C35) | MIEN1 C17orf37 RDX12 XTP4 | Q9BRT3 | 5 |
| Mitochondrial calcium uniporter regulator 1 (Coiled-coil domain-containing protein 90A, mitochondrial) | MCUR1 C6orf79 CCDC90A | Q96AQ8 | 5 |
| Mitochondrial carnitine/acylcarnitine carrier protein CACL (Carnitine/acylcarnitine translocase-like) (CACT-like) (Mitochondrial ornithine transporter 3) (Solute carrier family 25 member 29) | SLC25A29 C14orf69 ORNT3 | Q8N8R3 | 5 |
| Mitochondrial import inner membrane translocase subunit Tim17-B | TIMM17B TIM17B JM3 | O60830 | 5 |
| Mitochondrial inner membrane protease subunit 2 (EC 3.4.21.-) (IMP2-like protein) | IMMP2L | Q96T52 | 5 |
| Mitochondrial inner membrane protein OXA1L (Hsa) (OXA1Hs) (Oxidase assembly 1-like protein) (OXA1-like protein) | OXA1L | Q15070 | 5 |
| Mitochondrial intermediate peptidase (MIP) (EC 3.4.24.59) | MIPEP MIP | Q99797 | 5 |
| Mitochondrial-processing peptidase subunit beta (EC 3.4.24.64) (Beta-MPP) (P-52) | PMPCB MPPB | O75439 | 5 |
| Mitofusin-1 (EC 3.6.5.-) (Fzo homolog) (Transmembrane GTPase MFN1) | MFN1 | Q8IWA4 | 5 |
| Mitogen-activated protein kinase kinase kinase 7 (EC 2.7.11.25) (Transforming growth factor-beta-activated kinase 1) (TGF-beta-activated kinase 1) | MAP3K7 TAK1 | O43318 | 5 |
| Mitotic spindle-associated MMXD complex subunit MIP18 (MSS19-interacting protein of 18 kDa) (Protein FAM96B) | FAM96B MIP18 CGI-128 HSPC118 | Q9Y3D0 | 5 |
| Modulator of retrovirus infection homolog | MRI C7orf49 | Q9BWK5 | 5 |
| Monofunctional C1-tetrahydrofolate synthase, mitochondrial (EC 6.3.4.3) (Formyltetrahydrofolate synthetase) | MTHFD1L FTHFSDC1 | Q6UB35 | 5 |
| Mothers against decapentaplegic homolog 3 (MAD homolog 3) (Mad3) (Mothers against DPP homolog 3) (hMAD-3) (JV15-2) (SMAD family member 3) (SMAD 3) (Smad3) (hSMAD3) | SMAD3 MADH3 | P84022 | 5 |
| Motile sperm domain-containing protein 1 | MOSPD1 | Q9UJG1 | 5 |
| Mpv17-like protein (M-LP homolog) (M-LPH) | MPV17L | Q2QL34 | 5 |
| mRNA turnover protein 4 homolog | MRTO4 C1orf33 MRT4 | Q9UKD2 | 5 |
| mRNA-capping enzyme (HCAP1) (HCE) [Includes: Polynucleotide 5'-triphosphatase (EC 3.1.3.33) (mRNA 5'-triphosphatase) (TPase); mRNA guanylyltransferase (EC 2.7.7.50) (GTP--RNA guanylyltransferase) (GTase)] | RNGTT CAP1A | O60942 | 5 |
| mTERF domain-containing protein 2 (Mitochondrial transcription termination factor 4) (MTERF4) [Cleaved into: mTERF domain-containing protein 2 processed] | MTERFD2 HSPC096 | Q7Z6M4 | 5 |
| Muellerian-inhibiting factor (Anti-Muellerian hormone) (AMH) (Muellerian-inhibiting substance) (MIS) | AMH MIF | P03971 | 5 |
| Musculin (Activated B-cell factor 1) (ABF-1) (Class A basic helix-loop-helix protein 22) (bHLHa22) | MSC ABF1 BHLHA22 | O60682 | 5 |
| Myelin protein zero-like 1, isoform CRA_b (cDNA FLJ78597, highly similar to Homo sapiens myelin protein zero-like 1 (MPZL1), transcript variant 1, mRNA) (cDNA, FLJ96614, Homo sapiens myelin protein zero-like 1 (MPZL1), mRNA) | MPZL1 hCG_42390 | A8K5D4 | 5 |
| Myelin protein zero-like protein 2 (Epithelial V-like antigen 1) | MPZL2 EVA EVA1 UNQ606/PRO1192 | O60487 | 5 |
| Myelin-associated neurite-outgrowth inhibitor (Mani) (p20) | FAM168B KIAA0280L MANI | A1KXE4 | 5 |
| Myeloma-overexpressed gene 2 protein | MYEOV2 | Q8WXC6 | 5 |
| Myocardial zonula adherens protein (GRINL1A upstream protein) (Gup) | MYZAP MYOZAP | P0CAP1 | 5 |
| Myoglobin | MB | P02144 | 5 |
| Myoneurin (Zinc finger and BTB domain-containing protein 31) | MYNN OSZF ZBTB31 SBBIZ1 | Q9NPC7 | 5 |
| Myosin regulatory light polypeptide 9 (20 kDa myosin light chain) (LC20) (MLC-2C) (Myosin RLC) (Myosin regulatory light chain 2, smooth muscle isoform) (Myosin regulatory light chain 9) (Myosin regulatory light chain MRLC1) | MYL9 MLC2 MRLC1 MYRL2 | P24844 | 5 |
| Myosin-10 (Cellular myosin heavy chain, type B) (Myosin heavy chain 10) (Myosin heavy chain, non-muscle IIb) (Non-muscle myosin heavy chain B) (NMMHC-B) (Non-muscle myosin heavy chain IIb) (NMMHC II-b) (NMMHC-IIB) | MYH10 | P35580 | 5 |
| Myotrophin (Protein V-1) | MTPN | P58546 | 5 |
| Myotubularin-related protein 4 (EC 3.1.3.48) (FYVE domain-containing dual specificity protein phosphatase 2) (FYVE-DSP2) (Zinc finger FYVE domain-containing protein 11) | MTMR4 KIAA0647 ZFYVE11 | Q9NYA4 | 5 |
| Myotubularin-related protein 5 (SET-binding factor 1) (Sbf1) | SBF1 MTMR5 | O95248 | 5 |
| N-acetyl-D-glucosamine kinase (N-acetylglucosamine kinase) (EC 2.7.1.59) (GlcNAc kinase) | NAGK | Q9UJ70 | 5 |
| N-acetylglucosamine-1-phosphotransferase subunits alpha/beta (EC 2.7.8.17) (GlcNAc-1-phosphotransferase subunits alpha/beta) (Stealth protein GNPTAB) (UDP-N-acetylglucosamine-1-phosphotransferase subunits alpha/beta) [Cleaved into: N-acetylglucosamine-1-phosphotransferase subunit alpha; N-acetylglucosamine-1-phosphotransferase subunit beta] | GNPTAB GNPTA KIAA1208 | Q3T906 | 5 |
| N-acetyltransferase 14 (EC 2.3.1.-) (K562 cell-derived leucine-zipper-like protein 1) | NAT14 KLP1 | Q8WUY8 | 5 |
| N-chimaerin (A-chimaerin) (Alpha-chimerin) (N-chimerin) (NC) (Rho GTPase-activating protein 2) | CHN1 ARHGAP2 CHN | P15882 | 5 |
| N6-adenosine-methyltransferase 70 kDa subunit (MT-A70) (EC 2.1.1.62) (Methyltransferase-like protein 3) | METTL3 MTA70 | Q86U44 | 5 |
| NAD-dependent protein deacetylase sirtuin-2 (EC 3.5.1.-) (Regulatory protein SIR2 homolog 2) (SIR2-like protein 2) | SIRT2 SIR2L SIR2L2 | Q8IXJ6 | 5 |
| NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 5 (Probable methyltransferase C20orf7, mitochondrial) (EC 2.1.1.-) | NDUFAF5 C20orf7 | Q5TEU4 | 5 |