| Leucine-rich repeat-containing protein 73 | LRRC73 C6orf154 | Q5JTD7 | 1 |
| Leucine-rich repeat-containing protein 8D (Leucine-rich repeat-containing protein 5) | LRRC8D LRRC5 UNQ213/PRO239 | Q7L1W4 | 1 |
| Leucine-rich repeat-containing protein FAM211A | FAM211A C17orf76 | Q8NAA5 | 1 |
| Leucine-rich repeats and immunoglobulin-like domains protein 1 (LIG-1) | LRIG1 LIG1 | Q96JA1 | 1 |
| Leukemia inhibitory factor receptor (LIF receptor) (LIF-R) (CD antigen CD118) | LIFR | P42702 | 1 |
| Leukocyte immunoglobulin-like receptor subfamily A member 2 (CD85 antigen-like family member H) (Immunoglobulin-like transcript 1) (ILT-1) (Leukocyte immunoglobulin-like receptor 7) (LIR-7) (CD antigen CD85h) | LILRA2 ILT1 LIR7 | Q8N149 | 1 |
| Leukocyte surface antigen CD53 (Cell surface glycoprotein CD53) (Tetraspanin-25) (Tspan-25) (CD antigen CD53) | CD53 MOX44 TSPAN25 | P19397 | 1 |
| Leukotriene-B(4) omega-hydroxylase 2 (EC 1.14.13.30) (CYPIVF3) (Cytochrome P450 4F3) (Cytochrome P450-LTB-omega) (Leukotriene-B(4) 20-monooxygenase 2) | CYP4F3 LTB4H | Q08477 | 1 |
| LGI4 protein | LGI4 | A5D6Y5 | 1 |
| Ligand-dependent nuclear receptor corepressor-like protein (LCoR-like protein) | LCORL | Q8N3X6 | 1 |
| Ligand-dependent nuclear receptor-interacting factor 1 (Receptor-interacting factor 1) | LRIF1 C1orf103 RIF1 | Q5T3J3 | 1 |
| LIM domain-binding protein 1 (LDB-1) (Carboxyl-terminal LIM domain-binding protein 2) (CLIM-2) (LIM domain-binding factor CLIM2) (hLdb1) (Nuclear LIM interactor) | LDB1 CLIM2 | Q86U70 | 1 |
| LIM domain-binding protein 3 (Protein cypher) (Z-band alternatively spliced PDZ-motif protein) | LDB3 KIAA0613 ZASP | O75112 | 1 |
| LIM/homeobox protein Lhx3 (LIM homeobox protein 3) | LHX3 | Q9UBR4 | 1 |
| LIM/homeobox protein Lhx4 (LIM homeobox protein 4) | LHX4 | Q969G2 | 1 |
| LIM/homeobox protein Lhx5 (LIM homeobox protein 5) | LHX5 | Q9H2C1 | 1 |
| LIM/homeobox protein Lhx8 (LIM homeobox protein 8) | LHX8 | Q68G74 | 1 |
| LINE-1 type transposase domain-containing protein 1 (ES cell-associated protein 11) | L1TD1 ECAT11 | Q5T7N2 | 1 |
| Lipase maturation factor 1 (Transmembrane protein 112) | LMF1 C16orf26 TMEM112 HMFN1876 JFP11 | Q96S06 | 1 |
| Lipase maturation factor 2 (Transmembrane protein 112B) (Transmembrane protein 153) | LMF2 TMEM112B TMEM153 | Q9BU23 | 1 |
| Lipid phosphate phosphatase-related protein type 4 (EC 3.1.3.4) (Brain-specific phosphatidic acid phosphatase-like protein 1) (Plasticity-related gene 1 protein) (PRG-1) | LPPR4 KIAA0455 PRG1 | Q7Z2D5 | 1 |
| Lipocalin-1 (Tear lipocalin) (Tlc) (Tear prealbumin) (TP) (Von Ebner gland protein) (VEG protein) | LCN1 VEGP | P31025 | 1 |
| Lipoma HMGIC fusion partner-like 1 protein | LHFPL1 UNQ5824/PRO19643 | Q86WI0 | 1 |
| Lipoma HMGIC fusion partner-like 2 protein | LHFPL2 KIAA0206 | Q6ZUX7 | 1 |
| Lipoxygenase homology domain-containing protein 1 | LOXHD1 | F5GZB4 | 1 |
| Lipoxygenase homology domain-containing protein 1 | LOXHD1 | Q8IVV2 | 1 |
| Liprin-alpha-2 (Protein tyrosine phosphatase receptor type f polypeptide-interacting protein alpha-2) (PTPRF-interacting protein alpha-2) | PPFIA2 | O75334 | 1 |
| Liprin-alpha-4 (Protein tyrosine phosphatase receptor type f polypeptide-interacting protein alpha-4) (PTPRF-interacting protein alpha-4) | PPFIA4 KIAA0897 | O75335 | 1 |
| Lithostathine-1-alpha (Islet cells regeneration factor) (ICRF) (Islet of Langerhans regenerating protein) (REG) (Pancreatic stone protein) (PSP) (Pancreatic thread protein) (PTP) (Regenerating islet-derived protein 1-alpha) (REG-1-alpha) (Regenerating protein I alpha) | REG1A PSPS PSPS1 REG | P05451 | 1 |
| Liver X nuclear receptor alpha variant 1 | NR1H3 | F1D8N1 | 1 |
| LIX1-like protein | LIX1L | Q8IVB5 | 1 |
| LOC136263 | LOC136263 hCG_1657059 | A4D1L0 | 1 |
| LON peptidase N-terminal domain and RING finger protein 2 (Neuroblastoma apoptosis-related protease) (RING finger protein 192) | LONRF2 RNF192 | Q1L5Z9 | 1 |
| LON peptidase N-terminal domain and RING finger protein 3 (RING finger protein 127) | LONRF3 RNF127 | Q496Y0 | 1 |
| Long-chain fatty acid transport protein 6 (FATP-6) (Fatty acid transport protein 6) (Fatty-acid-coenzyme A ligase, very long-chain 2) (Solute carrier family 27 member 6) (Very long-chain acyl-CoA synthetase homolog 1) (VLCSH1) (hVLCS-H1) | SLC27A6 ACSVL2 FACVL2 FATP1 | Q9Y2P4 | 1 |
| Long-chain-fatty-acid--CoA ligase ACSBG2 (EC 6.2.1.3) (Acyl-CoA synthetase bubblegum family member 2) (Bubblegum-related protein) (PRTD-NY3) | ACSBG2 BGR UNQ2443/PRO5005 | Q5FVE4 | 1 |
| Low affinity immunoglobulin epsilon Fc receptor (BLAST-2) (C-type lectin domain family 4 member J) (Fc-epsilon-RII) (Immunoglobulin E-binding factor) (Lymphocyte IgE receptor) (CD antigen CD23) [Cleaved into: Low affinity immunoglobulin epsilon Fc receptor membrane-bound form; Low affinity immunoglobulin epsilon Fc receptor soluble form] | FCER2 CD23A CLEC4J FCE2 IGEBF | P06734 | 1 |
| Low affinity immunoglobulin gamma Fc region receptor III-A | FCGR3A | M9MML0 | 1 |
| Low affinity immunoglobulin gamma Fc region receptor III-B (Fc-gamma RIII-beta) (Fc-gamma RIII) (Fc-gamma RIIIb) (FcRIII) (FcRIIIb) (FcR-10) (IgG Fc receptor III-1) (CD antigen CD16b) | FCGR3B CD16B FCG3 FCGR3 IGFR3 | O75015 | 1 |
| Low-density lipoprotein receptor class A domain-containing protein 4 | LDLRAD4 C18orf1 | O15165 | 1 |
| Low-density lipoprotein receptor-related protein 11 (LRP-11) | LRP11 | Q86VZ4 | 1 |
| Low-density lipoprotein receptor-related protein 2 (LRP-2) (Glycoprotein 330) (gp330) (Megalin) | LRP2 | P98164 | 1 |
| Low-density lipoprotein receptor-related protein 4 (LRP-4) (Multiple epidermal growth factor-like domains 7) | LRP4 KIAA0816 LRP10 MEGF7 | O75096 | 1 |
| LP8165 | 0 | Q6XYB5 | 1 |
| LRP2-binding protein (Megalin-binding protein) (MegBP) | LRP2BP KIAA1325 | Q9P2M1 | 1 |
| LRRTM4 protein (cDNA FLJ12568 fis, clone NT2RM4000857, weakly similar to LEUCINE-RICH ALPHA-2-GLYCOPROTEIN) | LRRTM4 | Q9H9T0 | 1 |
| LUZP1 protein (Fragment) | LUZP1 | Q05DE3 | 1 |
| Ly6/PLAUR domain-containing protein 8 | LYPD8 UNQ511/PRO1026 | Q6UX82 | 1 |
| Lymphocyte activation gene 3 protein (LAG-3) (Protein FDC) (CD antigen CD223) | LAG3 FDC | P18627 | 1 |
| Lymphocyte antigen 86 (Ly-86) (Protein MD-1) | LY86 MD1 | O95711 | 1 |
| Lymphocyte function-associated antigen 3 (Ag3) (Surface glycoprotein LFA-3) (CD antigen CD58) | CD58 LFA3 | P19256 | 1 |
| Lymphotactin (ATAC) (C motif chemokine 1) (Cytokine SCM-1) (Lymphotaxin) (SCM-1-alpha) (Small-inducible cytokine C1) (XC chemokine ligand 1) | XCL1 LTN SCYC1 | P47992 | 1 |
| Lymphotoxin-beta (LT-beta) (Tumor necrosis factor C) (TNF-C) (Tumor necrosis factor ligand superfamily member 3) | LTB TNFC TNFSF3 | Q06643 | 1 |
| Lys-63-specific deubiquitinase BRCC36 (EC 3.4.19.-) (BRCA1-A complex subunit BRCC36) (BRCA1/BRCA2-containing complex subunit 3) (BRCA1/BRCA2-containing complex subunit 36) (BRISC complex subunit BRCC36) | BRCC3 BRCC36 C6.1A CXorf53 | P46736 | 1 |
| Lysine-specific demethylase 4A (EC 1.14.11.-) (JmjC domain-containing histone demethylation protein 3A) (Jumonji domain-containing protein 2A) | KDM4A JHDM3A JMJD2 JMJD2A KIAA0677 | O75164 | 1 |
| Lysine-specific demethylase 4C (EC 1.14.11.-) (Gene amplified in squamous cell carcinoma 1 protein) (GASC-1 protein) (JmjC domain-containing histone demethylation protein 3C) (Jumonji domain-containing protein 2C) | KDM4C GASC1 JHDM3C JMJD2C KIAA0780 | Q9H3R0 | 1 |
| Lysine-specific demethylase 8 (EC 1.14.11.27) (JmjC domain-containing protein 5) (Jumonji domain-containing protein 5) | KDM8 JMJD5 | Q8N371 | 1 |
| Lysocardiolipin acyltransferase 1 (EC 2.3.1.-) (EC 2.3.1.51) (1-acylglycerol-3-phosphate O-acyltransferase 8) (1-AGP acyltransferase 8) (1-AGPAT 8) (Acyl-CoA:lysocardiolipin acyltransferase 1) | LCLAT1 AGPAT8 ALCAT1 LYCAT UNQ1849/PRO3579 | Q6UWP7 | 1 |
| Lysophosphatidic acid receptor 2 (LPA receptor 2) (LPA-2) (Lysophosphatidic acid receptor Edg-4) | LPAR2 EDG4 LPA2 | Q9HBW0 | 1 |
| Lysophosphatidic acid receptor 4 (LPA receptor 4) (LPA-4) (G-protein coupled receptor 23) (P2Y purinoceptor 9) (P2Y9) (P2Y5-like receptor) (Purinergic receptor 9) | LPAR4 GPR23 LPA4 P2RY9 | Q99677 | 1 |
| Lysophosphatidic acid receptor 5 (LPA receptor 5) (LPA-5) (G-protein coupled receptor 92) (G-protein coupled receptor 93) | LPAR5 GPR92 GPR93 | Q9H1C0 | 1 |
| Lysophosphatidylcholine acyltransferase 1 (LPC acyltransferase 1) (LPCAT-1) (LysoPC acyltransferase 1) (EC 2.3.1.23) (1-acylglycerophosphocholine O-acyltransferase) (1-alkylglycerophosphocholine O-acetyltransferase) (EC 2.3.1.67) (Acetyl-CoA:lyso-platelet-activating factor acetyltransferase) (Acetyl-CoA:lyso-PAF acetyltransferase) (Lyso-PAF acetyltransferase) (LysoPAFAT) (Acyltransferase-like 2) (Phosphonoformate immuno-associated protein 3) | LPCAT1 AYTL2 PFAAP3 | Q8NF37 | 1 |
| Lysosomal associated multispanning membrane protein 5, isoform CRA_a (Lysosomal multispanning membrane protein 5) (cDNA FLJ75768, highly similar to Homo sapiens lysosomal associated multispanning membrane protein 5 (LAPTM5), mRNA) | LAPTM5 hCG_15079 | Q5TBB8 | 1 |
| Lysosome-associated membrane glycoprotein 3 (LAMP-3) (Lysosomal-associated membrane protein 3) (DC-lysosome-associated membrane glycoprotein) (DC LAMP) (Protein TSC403) (CD antigen CD208) | LAMP3 DCLAMP TSC403 | Q9UQV4 | 1 |
| Lysosome-associated membrane glycoprotein 5 (Brain and dendritic cell-associated LAMP) (Brain-associated LAMP-like protein) (BAD-LAMP) (Lysosome-associated membrane protein 5) (LAMP-5) | LAMP5 C20orf103 | Q9UJQ1 | 1 |
| Lysozyme C (EC 3.2.1.17) (1,4-beta-N-acetylmuramidase C) | LYZ LZM | P61626 | 1 |
| Lysozyme g-like protein 2 (EC 3.2.1.-) | LYG2 LYGH | Q86SG7 | 1 |
| Lysozyme-like protein 2 (Lysozyme-2) (EC 3.2.1.17) | LYZL2 | Q7Z4W2 | 1 |
| Lysozyme-like protein 4 (Lysozyme-4) | LYZL4 LYC4 | Q96KX0 | 1 |
| Lysyl oxidase homolog 3 (EC 1.4.3.-) (Lysyl oxidase-like protein 3) | LOXL3 LOXL | P58215 | 1 |
| m7GpppX diphosphatase (EC 3.6.1.59) (DCS-1) (Decapping scavenger enzyme) (Hint-related 7meGMP-directed hydrolase) (Histidine triad nucleotide-binding protein 5) (Histidine triad protein member 5) (HINT-5) (Scavenger mRNA-decapping enzyme DcpS) | DCPS DCS1 HINT5 HSPC015 | Q96C86 | 1 |
| Macoilin (Transmembrane protein 57) | TMEM57 | Q8N5G2 | 1 |
| Macrophage-stimulating protein receptor (MSP receptor) (EC 2.7.10.1) (CDw136) (Protein-tyrosine kinase 8) (p185-Ron) (CD antigen CD136) [Cleaved into: Macrophage-stimulating protein receptor alpha chain; Macrophage-stimulating protein receptor beta chain] | MST1R PTK8 RON | Q04912 | 1 |
| Maestro heat-like repeat-containing protein family member 1 (HEAT repeat-containing protein 7A) | MROH1 HEATR7A KIAA1833 | Q8NDA8 | 1 |
| Maestro heat-like repeat-containing protein family member 7 (HEAT repeat-containing protein 8) | MROH7 C1orf175 HEATR8 | Q68CQ1 | 1 |
| Maestro heat-like repeat-containing protein family member 9 | MROH9 C1orf129 | Q5TGP6 | 1 |
| MAGUK p55 subfamily member 2 (Discs large homolog 2) (Protein MPP2) | MPP2 DLG2 | Q14168 | 1 |
| MAGUK p55 subfamily member 5 | MPP5 | Q8N3R9 | 1 |
| MAGUK p55 subfamily member 7 | MPP7 | Q5T2T1 | 1 |
| Major facilitator superfamily domain-containing protein 2B | MFSD2B | A6NFX1 | 1 |
| Major facilitator superfamily domain-containing protein 8 (Ceroid-lipofuscinosis neuronal protein 7) | MFSD8 CLN7 | Q8NHS3 | 1 |
| Makorin, ring finger protein, 2, isoform CRA_b (Probable E3 ubiquitin-protein ligase makorin-2) (cDNA FLJ52346, highly similar to Makorin-2) | MKRN2 hCG_28319 | B4DPR4 | 1 |
| MAL-like protein (Protein BENE) | MALL BENE | Q13021 | 1 |
| Malonyl CoA:ACP acyltransferase (Mitochondrial) (Malonyl-CoA:acyl carrier protein transacylase, mitochondrial, isoform CRA_a) (cDNA, FLJ94725, Homo sapiens malonyl-CoA:acyl carrier protein transacylase(malonyltransferase) (MT), mRNA) | MCAT MT AL022237.1-002 hCG_41916 | B0QY72 | 1 |
| MAM domain-containing glycosylphosphatidylinositol anchor protein 1 (GPI and MAM protein) (GPIM) (Glycosylphosphatidylinositol-MAM) (MAM domain-containing protein 3) | MDGA1 MAMDC3 | Q8NFP4 | 1 |
| Mammaglobin-A (Mammaglobin-1) (Secretoglobin family 2A member 2) | SCGB2A2 MGB1 UGB2 | Q13296 | 1 |
| Mammaglobin-B (Lacryglobin) (Lipophilin-C) (Mammaglobin-2) (Secretoglobin family 2A member 1) | SCGB2A1 LIPHC MGB2 UGB3 | O75556 | 1 |
| MAN2A1 protein | MAN2A1 | Q49A69 | 1 |
| Mannosyl-oligosaccharide 1,2-alpha-mannosidase IA (EC 3.2.1.113) (Man(9)-alpha-mannosidase) (Man9-mannosidase) (Mannosidase alpha class 1A member 1) (Processing alpha-1,2-mannosidase IA) (Alpha-1,2-mannosidase IA) | MAN1A1 | P33908 | 1 |
| MANSC domain-containing protein 1 (Loss of heterozygosity 12 chromosomal region 3 protein) | MANSC1 LOH12CR3 UNQ316/PRO361 | Q9H8J5 | 1 |
| MAP1A protein (Fragment) | MAP1A | Q504X9 | 1 |
| MAP2 protein (Fragment) | MAP2 | Q6NYC5 | 1 |
| MAP3K12 binding inhibitory protein 1, isoform CRA_b (cDNA, FLJ96307, Homo sapiens MAP3K12 binding inhibitory protein 1 (MBIP), mRNA) | MBIP hCG_20993 | B2RCV0 | 1 |
| MAP3K12-binding inhibitory protein 1 (MAPK upstream kinase-binding inhibitory protein) (MUK-binding inhibitory protein) | MBIP BM-015 | Q9NS73 | 1 |
| Marginal zone B- and B1-cell-specific protein (Mesenteric estrogen-dependent adipose 7) (MEDA-7) (Plasma cell-induced resident endoplasmic reticulum protein) (Plasma cell-induced resident ER protein) (pERp1) (Proapoptotic caspase adapter protein) | MZB1 MEDA7 PACAP HSPC190 | Q8WU39 | 1 |
| Mas-related G-protein coupled receptor member X3 (Sensory neuron-specific G-protein coupled receptor 1/2) | MRGPRX3 MRGX3 SNSR1 SNSR2 | Q96LB0 | 1 |
| Mast cell-expressed membrane protein 1 | MCEMP1 C19orf59 | Q8IX19 | 1 |
| Mastermind-like protein 2 (Mam-2) | MAML2 KIAA1819 | Q8IZL2 | 1 |
| Mastermind-like protein 3 (Mam-3) | MAML3 KIAA1816 | Q96JK9 | 1 |
| Matrilysin (EC 3.4.24.23) (Matrin) (Matrix metalloproteinase-7) (MMP-7) (Pump-1 protease) (Uterine metalloproteinase) | MMP7 MPSL1 PUMP1 | P09237 | 1 |