| Lymphocyte antigen 6E (Ly-6E) (Stem cell antigen 2) (Thymic shared antigen 1) (TSA-1) | Ly6e Ly67 Sca-2 Tsa-1 | Q64253 | 1 |
| Lymphocyte-specific protein 1 | Lsp1 | A2A6J4 | 1 |
| Lymphoid enhancer-binding factor 1 (LEF-1) | Lef1 Lef-1 | P27782 | 1 |
| Lysine-specific demethylase 2A (Fragment) | Kdm2a | H3BL82 | 1 |
| Lysine-specific demethylase 6B (EC 1.14.11.-) (JmjC domain-containing protein 3) (Jumonji domain-containing protein 3) | Kdm6b Jmjd3 Kiaa0346 | Q5NCY0 | 1 |
| Lysine-specific histone demethylase 1A (Fragment) | Kdm1a | F6Z4I3 | 1 |
| Lysine-specific histone demethylase 1A (Fragment) | Kdm1a | G8JL40 | 1 |
| LysM and putative peptidoglycan-binding domain-containing protein 2 | Lysmd2 | Q9D7V2 | 1 |
| Lysophosphatidylcholine acyltransferase 1 (LPC acyltransferase 1) (LPCAT-1) (LysoPC acyltransferase 1) (mLPCAT1) (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) | Lpcat1 Aytl2 | Q3TFD2 | 1 |
| Lysophospholipase-like protein 1 | Lyplal1 | E9QLB2 | 1 |
| Lysophospholipase-like protein 1 (EC 3.1.2.-) | Lyplal1 | Q3UFF7 | 1 |
| Lysosomal acid phosphatase (Fragment) | Acp2 | B7ZCF4 | 1 |
| Lysosomal alpha-glucosidase | Gaa | A2AFL3 | 1 |
| Lysosomal alpha-glucosidase (Fragment) | Gaa | F6R5R5 | 1 |
| Lysosomal thioesterase PPT2 (Fragment) | Ppt2 | E9Q0T0 | 1 |
| Lysosomal thioesterase PPT2 (Fragment) | Ppt2 | F6SPQ1 | 1 |
| Lysosomal thioesterase PPT2 (Fragment) | Ppt2 | G5E8W7 | 1 |
| Lysosomal trafficking regulator, isoform CRA_a (Lysosomal-trafficking regulator) | Lyst mCG_18823 | G5E8Q0 | 1 |
| Lysosomal-associated transmembrane protein 5 (Fragment) | Laptm5 | F6WX18 | 1 |
| m-AAA protease-interacting protein 1, mitochondrial (Matrix AAA peptidase-interacting protein 1) | Maip1 | Q8BHE8 | 1 |
| M-phase phosphoprotein 6 | Mphosph6 | Q9D1Q1 | 1 |
| Maestro heat-like repeat-containing protein family member 2B (HEAT repeat-containing protein 7B2) (Sperm PKA-interacting factor) (SPIF) | Mroh2b Heatr7b2 | Q7M6Y6 | 1 |
| Maged2 protein (Melanoma antigen, family D, 2) (Putative uncharacterized protein) | Maged2 | Q9ER67 | 1 |
| Magnesium transporter NIPA4 (Ichthyin) (NIPA-like protein 4) (Non-imprinted in Prader-Willi/Angelman syndrome region protein 4 homolog) | Nipal4 Ichn Nipa4 | Q8BZF2 | 1 |
| Magnesium transporter protein 1 (Fragment) | Magt1 | F6WHL0 | 1 |
| MAGUK p55 subfamily member 7 | Mpp7 | Q8BVD5 | 1 |
| Major centromere autoantigen B (Centromere protein B) (CENP-B) | Cenpb Cenp-b | P27790 | 1 |
| Major facilitator superfamily domain-containing protein 6 | Mfsd6 | D3Z183 | 1 |
| Major urinary protein 14 (Fragment) | Mup14 | B8JI96 | 1 |
| Malic enzyme | Me1 Mod1 | Q921S3 | 1 |
| Malonyl-CoA-acyl carrier protein transacylase, mitochondrial (MCT) (EC 2.3.1.39) (Mitochondrial malonyltransferase) ([Acyl-carrier-protein] malonyltransferase) | Mcat Mt | Q8R3F5 | 1 |
| Maltase-glucoamylase (Soluble maltase-glucoamylase) (EC 3.2.1.20) (EC 3.2.1.3) (Fragment) | Mgam | Q6XK23 | 1 |
| Mannose-P-dolichol utilization defect 1 protein | Mpdu1 | E9PVP3 | 1 |
| MAP3K12-binding inhibitory protein 1 (MAPK upstream kinase-binding inhibitory protein) (MUK-binding inhibitory protein) | Mbip | Q99LQ1 | 1 |
| MAP6 domain-containing protein 1 (21 kDa STOP-like protein) (SL21) | Map6d1 | Q14BB9 | 1 |
| MAP7 domain-containing protein 1 | Map7d1 Mtap7d1 | A2AJI1 | 1 |
| MAP7 domain-containing protein 1 | Map7d1 Mtap7d1 | A8Y5P4 | 1 |
| MAP7 domain-containing protein 1 (Fragment) | Map7d1 Mtap7d1 | F6WF36 | 1 |
| MAPK-interacting and spindle-stabilizing protein-like (Mitogen-activated protein kinase 1-interacting protein 1-like) | Mapk1ip1l | Q8BH93 | 1 |
| Matrilin-4 (MAT-4) | Matn4 | O89029 | 1 |
| Matrin-3 (Fragment) | Matr3 | A0A087WNP3 | 1 |
| Matrix metalloproteinase-17 (MMP-17) (EC 3.4.24.-) (Membrane-type matrix metalloproteinase 4) (MT-MMP 4) (MTMMP4) (Membrane-type-4 matrix metalloproteinase) (MT4-MMP) (MT4MMP) | Mmp17 Mt4mmp | Q9R0S3 | 1 |
| Matrix-remodeling-associated protein 7 (Putative uncharacterized protein) | Mxra7 | Q9D1T2 | 1 |
| MCG1032217 (MCG131170) (Putative uncharacterized protein) (Ubiquitin-conjugating enzyme E2L 3) | Ube2l3 mCG_1032217 mCG_131170 | Q561N4 | 1 |
| MCG10343, isoform CRA_b (Phosphate carrier protein, mitochondrial) | Slc25a3 mCG_10343 | G5E902 | 1 |
| MCG1051009 (Serine protease inhibitor A3K) | Serpina3k mCG_1051009 | A0A0R4J0I1 | 1 |
| MCG11560 (Putative uncharacterized protein) | Slc25a5 mCG_11560 | Q545A2 | 1 |
| MCG116540, isoform CRA_b (Ras association (RalGDS/AF-6) and pleckstrin homology domains 1) | Raph1 mCG_116540 | G5E867 | 1 |
| MCG129810, isoform CRA_c (Pyridoxal-dependent decarboxylase domain-containing protein 1) | Pdxdc1 mCG_129810 | A0A0R4J034 | 1 |
| MCG130893 (Zinc finger and BTB domain-containing 11) | Zbtb11 mCG_130893 | G5E8B9 | 1 |
| MCG133388, isoform CRA_n (Protocadherin gamma B6) (Protocadherin gamma subfamily B, 6) | Pcdhgb6 mCG_133388 | Q91XX4 | 1 |
| MCG13402, isoform CRA_d (Polypyrimidine tract-binding protein 1) (Putative uncharacterized protein) | Ptbp1 mCG_13402 | Q8CB58 | 1 |
| MCG140213 | Gm11596 mCG_140213 | B1AQB0 | 1 |
| MCG140217 | Gm11564 mCG_140217 | A2A4L9 | 1 |
| MCG1407, isoform CRA_a (Ribosome production factor 2 homolog) | Rpf2 mCG_1407 | G3X926 | 1 |
| MCG141291 (Protocadherin beta 16) | Pcdhb16 mCG_141291 | Q91Y03 | 1 |
| MCG14171, isoform CRA_b (Microtubule-associated proteins 1A/1B light chain 3B) | Map1lc3b mCG_14171 | M0QWC2 | 1 |
| MCG142017, isoform CRA_a (Transmembrane and TPR repeat-containing protein 3) | Tmtc3 mCG_142017 | G5E8C4 | 1 |
| MCG14253, isoform CRA_a (Protein Wiz) | Wiz mCG_14253 | G5E8J8 | 1 |
| MCG14259, isoform CRA_b (Splicing factor U2AF 35 kDa subunit) | U2af1 mCG_14259 | G3UW94 | 1 |
| MCG15559 | Gm5814 mCG_15559 | J3QP80 | 1 |
| MCG16669, isoform CRA_f (Putative uncharacterized protein) (TAR DNA-binding protein 43) (TARDBP S7) (TDP-43 variant 5) | Tardbp TARDBP mCG_16669 | Q8BLD4 | 1 |
| MCG16685, isoform CRA_d (Pre-mRNA-splicing regulator WTAP) | Wtap mCG_16685 | E0CYH0 | 1 |
| MCG16980, isoform CRA_b (Protein lin-7 homolog A) (Putative uncharacterized protein) | Lin7a mCG_16980 | Q3TUM0 | 1 |
| MCG18019 (VGF nerve growth factor inducible) (VGF nerve growth factor-inducible) | Vgf mCG_18019 | Q0VGU4 | 1 |
| MCG20113, isoform CRA_e (Myeloma overexpressed 2) | Cops9 Myeov2 mCG_20113 | B2RVT1 | 1 |
| MCG20149, isoform CRA_a (Methyltransferase like 7A1) (Methyltransferase-like 7A1) (Putative uncharacterized protein) | Mettl7a1 Mettl7a mCG_20149 | Q8C6B0 | 1 |
| MCG21910 | Gm12355 mCG_21910 | A2A4X6 | 1 |
| MCG22048, isoform CRA_a (Proteasome activator complex subunit 2) | Psme2 mCG_22048 | G3X9V0 | 1 |
| MCG23377, isoform CRA_b (MCG54232) (Predicted pseudogene 8797) | Gm8797 mCG_23377 mCG_54232 | A0A0A6YW67 | 1 |
| MCG2960, isoform CRA_a (Metalloreductase STEAP2) | Steap2 mCG_2960 | D3YUM6 | 1 |
| MCG3124, isoform CRA_b (Macrophage migration inhibitory factor) (Putative uncharacterized protein) | Mif mCG_3124 | Q545F0 | 1 |
| MCG3634, isoform CRA_b (Putative uncharacterized protein) | Skp1a mCG_3634 | Q5SUR3 | 1 |
| MCG49140 | Gm10263 mCG_49140 | J3QNN8 | 1 |
| MCG6979, isoform CRA_a (RIKEN cDNA 0610009B22 gene) | 0610009B22Rik mCG_6979 | Q8R3W2 | 1 |
| MCG7614, isoform CRA_c (Putative uncharacterized protein) (Serine/arginine-rich-splicing factor 5) | Srsf5 Sfrs5 mCG_7614 | Q9D8S5 | 1 |
| MCG7941, isoform CRA_f (Phosphatidylethanolamine binding protein 1) (Putative uncharacterized protein) | Pebp1 Pbp Pbp1 mCG_7941 | Q5EBQ2 | 1 |
| MCG8382, isoform CRA_b (RNA-binding protein 4) (Rbm4 protein) | Rbm4 mCG_8382 | Q5CZX8 | 1 |
| MCG9626, isoform CRA_b (Myotubularin-related protein 3) | Mtmr3 mCG_9626 | B1ATD5 | 1 |
| Meckelin | Tmem67 | A2AJP5 | 1 |
| Meckelin (Meckel syndrome type 3 protein homolog) (Transmembrane protein 67) | Tmem67 Mks3 | Q8BR76 | 1 |
| Mediator of DNA damage checkpoint protein 1 | Mdc1 Kiaa0170 | Q5PSV9 | 1 |
| Mediator of DNA damage checkpoint protein 1 | Mdc1 | E9QK89 | 1 |
| Mediator of RNA polymerase II transcription subunit 13 (Thyroid hormone receptor-associated protein 1) (Thyroid hormone receptor-associated protein complex 240 kDa component) (Trap240) | Med13 Kiaa0593 Thrap1 Trap240 | Q5SWW4 | 1 |
| Mediator of RNA polymerase II transcription subunit 14 | Med14 | A2BDN7 | 1 |
| Mediator of RNA polymerase II transcription subunit 14 | Med14 | A2BDP0 | 1 |
| Mediator of RNA polymerase II transcription subunit 16 | Med16 | E9QP84 | 1 |
| Mediator of RNA polymerase II transcription subunit 16 (Mediator complex subunit 16) (Thyroid hormone receptor-associated protein 5) (Thyroid hormone receptor-associated protein complex 95 kDa component) (Trap95) (Vitamin D3 receptor-interacting protein complex 92 kDa component) (DRIP92) | Med16 Thrap5 | Q6PGF3 | 1 |
| Mediator of RNA polymerase II transcription subunit 16 (Thyroid hormone receptor associated protein 5, isoform CRA_a) | Med16 Thrap5 mCG_13375 | G3UW74 | 1 |
| Mediator of RNA polymerase II transcription subunit 22 (Mediator complex subunit 22) (Surfeit locus protein 5) (Surf-5) | Med22 Surf5 | Q62276 | 1 |
| Mediator of RNA polymerase II transcription subunit 23 | Med23 | E9QNV2 | 1 |
| Mediator of RNA polymerase II transcription subunit 23 | Med23 | F8WJB0 | 1 |
| Mediator of RNA polymerase II transcription subunit 23 (Fragment) | Med23 | H3BK33 | 1 |
| Mediator of RNA polymerase II transcription subunit 31 (Mediator complex subunit 31) (Mediator complex subunit SOH1) | Med31 Soh1 | Q9CXU1 | 1 |
| Meiosis-specific nuclear structural protein 1 | Mns1 | Q61884 | 1 |
| Meiotic recombination protein SPO11 (EC 5.99.1.3) | Spo11 | Q9WTK8 | 1 |
| Melanoma antigen, family D, 2 (Fragment) | Maged2 | A2AG46 | 1 |
| Melanoma antigen, family D, 2 (Fragment) | Maged2 | A2AG47 | 1 |
| Melanoma inhibitory activity protein 2 | Mia2 | E9PY90 | 1 |
| Melanoma inhibitory activity protein 2 | Mia2 | E9Q3S2 | 1 |