| Mothers against decapentaplegic homolog 4 (MAD homolog 4) (Mothers against DPP homolog 4) (Deletion target in pancreatic carcinoma 4 homolog) (SMAD family member 4) (SMAD 4) (Smad4) | Smad4 Dpc4 Madh4 | P97471 | 5 |
| Myelin basic protein (MBP) (Myelin A1 protein) | Mbp Shi | P04370 | 5 |
| Myelin-associated neurite-outgrowth inhibitor (Mani) | Fam168b Kiaa4042 | Q80XQ8 | 5 |
| Myocyte enhancer factor 2D (Myocyte-specific enhancer factor 2D) | Mef2d mCG_142619 | Q921S6 | 5 |
| Myosin-6 (Myosin heavy chain 6) (Myosin heavy chain, cardiac muscle alpha isoform) (MyHC-alpha) | Myh6 Myhca | Q02566 | 5 |
| Myosin-9 (Cellular myosin heavy chain, type A) (Myosin heavy chain 9) (Myosin heavy chain, non-muscle IIa) (Non-muscle myosin heavy chain A) (NMMHC-A) (Non-muscle myosin heavy chain IIa) (NMMHC II-a) (NMMHC-IIA) | Myh9 | Q8VDD5 | 5 |
| Myotrophin (Granule cell differentiation protein) (Protein V-1) | Mtpn Gcdp | P62774 | 5 |
| N-acylneuraminate cytidylyltransferase (EC 2.7.7.43) (CMP-N-acetylneuraminic acid synthase) (CMP-NeuNAc synthase) | Cmas | Q99KK2 | 5 |
| N-lysine methyltransferase SMYD2 (EC 2.1.1.-) (Histone methyltransferase SMYD2) (EC 2.1.1.43) (SET and MYND domain-containing protein 2) | Smyd2 | Q8R5A0 | 5 |
| NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial (Complex I-13kD-A) (CI-13kD-A) (NADH-ubiquinone oxidoreductase 13 kDa-A subunit) | Ndufs6 Ip13 | P52503 | 5 |
| Nardilysin (EC 3.4.24.61) (N-arginine dibasic convertase) (NRD convertase) (NRD-C) | Nrd1 | Q8BHG1 | 5 |
| Negative elongation factor B (NELF-B) (Cofactor of BRCA1) | Nelfb Cobra1 MNCb-5210 | Q8C4Y3 | 5 |
| NK-tumor recognition protein (NK-TR protein) (Natural-killer cells cyclophilin-related protein) [Includes: Putative peptidyl-prolyl cis-trans isomerase (PPIase) (EC 5.2.1.8) (Rotamase)] | Nktr | P30415 | 5 |
| NT-3 growth factor receptor (EC 2.7.10.1) (GP145-TrkC) (Trk-C) (Neurotrophic tyrosine kinase receptor type 3) (TrkC tyrosine kinase) | Ntrk3 TrkC | Q6VNS1 | 5 |
| Nuclear migration protein nudC (Nuclear distribution protein C homolog) (Silica-induced gene 92 protein) (SIG-92) | Nudc | O35685 | 5 |
| Nuclear pore complex protein Nup133 (133 kDa nucleoporin) (Nucleoporin Nup133) | Nup133 | Q8R0G9 | 5 |
| Nuclear transcription factor Y subunit gamma (CAAT box DNA-binding protein subunit C) (Nuclear transcription factor Y subunit C) (NF-YC) | Nfyc | P70353 | 5 |
| Nuclear transport factor 2 (NTF-2) | Nutf2 Ntf2 | P61971 | 5 |
| Nuclear ubiquitous casein and cyclin-dependent kinase substrate 1 (JC7) | Nucks1 Nucks | Q80XU3 | 5 |
| Nucleolysin TIAR (TIA-1-related protein) | Tial1 | P70318 | 5 |
| NudC domain-containing protein 1 | Nudcd1 | Q6PIP5 | 5 |
| Olfactory receptor 168 (Olfactory receptor MOR271-1) (Olfactory receptor Olfr168) (Protein Olfr168) | Olfr168 | Q8VF05 | 5 |
| ORM1-like protein 3 | Ormdl3 | Q9CPZ6 | 5 |
| Oxysterol-binding protein-related protein 9 (ORP-9) (OSBP-related protein 9) | Osbpl9 Orp9 | A2A8Z1 | 5 |
| Paired box protein Pax-3 | Pax3 Pax-3 | P24610 | 5 |
| Pantothenate kinase 1 (mPank) (mPank1) (EC 2.7.1.33) (Pantothenic acid kinase 1) | Pank1 Pank | Q8K4K6 | 5 |
| Pecanex-like protein 4 | Pcnxl4 | Q3UVY5 | 5 |
| Peptidyl-prolyl cis-trans isomerase C (PPIase C) (EC 5.2.1.8) (Cyclophilin C) (Rotamase C) | Ppic Cypc | P30412 | 5 |
| Period circadian protein homolog 3 (mPER3) (Circadian clock protein PERIOD 3) | Per3 | O70361 | 5 |
| Peroxisomal membrane protein PMP34 (34 kDa peroxisomal membrane protein) (Solute carrier family 25 member 17) | Slc25a17 Pmp34 Pmp35 | O70579 | 5 |
| Peroxisomal N(1)-acetyl-spermine/spermidine oxidase (EC 1.5.3.13) (Polyamine oxidase) | Paox Pao | Q8C0L6 | 5 |
| Peroxisome assembly factor 2 (PAF-2) (Peroxin-6) (Peroxisomal biogenesis factor 6) (Peroxisomal-type ATPase 1) | Pex6 | Q99LC9 | 5 |
| PHD finger protein 14 | Phf14 | Q9D4H9 | 5 |
| Phosphatidate cytidylyltransferase 2 (EC 2.7.7.41) (CDP-DAG synthase 2) (CDP-DG synthase 2) (CDP-diacylglycerol synthase 2) (CDS 2) (CDP-diglyceride pyrophosphorylase 2) (CDP-diglyceride synthase 2) (CTP:phosphatidate cytidylyltransferase 2) | Cds2 | Q99L43 | 5 |
| Phosphatidylinositol 4-kinase type 2-beta (EC 2.7.1.67) (Phosphatidylinositol 4-kinase type II-beta) | Pi4k2b | Q8CBQ5 | 5 |
| Phosphatidylinositol transfer protein alpha isoform (PI-TP-alpha) (PtdIns transfer protein alpha) (PtdInsTP alpha) | Pitpna Pitpn | P53810 | 5 |
| Phosphorylase b kinase regulatory subunit beta (Phosphorylase kinase subunit beta) | Phkb | Q7TSH2 | 5 |
| Platelet-derived growth factor receptor-like protein (PDGFR-like protein) | Pdgfrl | Q6PE55 | 5 |
| Pleckstrin homology domain-containing family A member 2 (PH domain-containing family A member 2) (PH domain-containing adaptor PHAD47) (Tandem PH domain-containing protein 2) (TAPP-2) | Plekha2 Tapp2 | Q9ERS5 | 5 |
| Polyadenylate-binding protein-interacting protein 2B (PABP-interacting protein 2B) (PAIP-2B) (Poly(A)-binding protein-interacting protein 2B) | Paip2b Kiaa1155 | Q91W45 | 5 |
| Potassium channel erg1a (Potassium voltage-gated channel subfamily H member 2) | Kcnh2 | Q53Z09 | 5 |
| Potassium voltage-gated channel subfamily KQT member 2 (KQT-like 2) (Potassium channel subunit alpha KvLQT2) (Voltage-gated potassium channel subunit Kv7.2) | Kcnq2 Kqt2 | Q9Z351 | 5 |
| PR domain zinc finger protein 4 (EC 2.1.1.-) (PR domain-containing protein 4) | Prdm4 | Q80V63 | 5 |
| Pre-B-cell leukemia transcription factor 3 (Homeobox protein PBX3) | Pbx3 | O35317 | 5 |
| Pre-mRNA-splicing factor CWC22 homolog (Nucampholin homolog) | Cwc22 Ncm | Q8C5N3 | 5 |
| Prefoldin subunit 5 (C-Myc-binding protein Mm-1) (EIG-1) (Myc modulator 1) | Pfdn5 Eig1 Mm1 Pfd5 | Q9WU28 | 5 |
| Probable aminopeptidase NPEPL1 (EC 3.4.11.-) (Aminopeptidase-like 1) | Npepl1 | Q6NSR8 | 5 |
| Probable E3 ubiquitin-protein ligase HERC4 (EC 6.3.2.-) (HECT domain and RCC1-like domain-containing protein 4) | Herc4 | Q6PAV2 | 5 |
| Probable folate receptor delta (FR-delta) (Folate receptor 4) (Folate-binding protein 3) | Folr4 Folbp3 | Q9EQF4 | 5 |
| Profilin-1 (Profilin I) | Pfn1 | P62962 | 5 |
| Profilin-2 (Profilin II) | Pfn2 | Q9JJV2 | 5 |
| Progressive ankylosis protein (Fn54 protein) | Ankh Ank | Q9JHZ2 | 5 |
| Prohibitin-2 (B-cell receptor-associated protein BAP37) (Repressor of estrogen receptor activity) | Phb2 Bap Bcap37 Rea | O35129 | 5 |
| Proteasomal ubiquitin receptor ADRM1 (110 kDa cell membrane glycoprotein) (Gp110) (Adhesion-regulating molecule 1) (ARM-1) (Rpn13 homolog) | Adrm1 Gp110 | Q9JKV1 | 5 |
| Proteasome subunit alpha type-3 (EC 3.4.25.1) (Macropain subunit C8) (Multicatalytic endopeptidase complex subunit C8) (Proteasome component C8) (Proteasome subunit K) | Psma3 | O70435 | 5 |
| Proteasome subunit alpha type-6 (EC 3.4.25.1) (Macropain iota chain) (Multicatalytic endopeptidase complex iota chain) (Proteasome iota chain) | Psma6 | Q9QUM9 | 5 |
| Proteasome subunit beta type-10 (EC 3.4.25.1) (Low molecular mass protein 10) (Macropain subunit MECl-1) (Multicatalytic endopeptidase complex subunit MECl-1) (Proteasome MECl-1) (Proteasome subunit beta-2i) | Psmb10 Lmp10 Mecl1 | O35955 | 5 |
| Proteasome subunit beta type-4 (EC 3.4.25.1) (Low molecular mass protein 3) (Macropain beta chain) (Multicatalytic endopeptidase complex beta chain) (Proteasome beta chain) (Proteasome chain 3) | Psmb4 Lmp3 | P99026 | 5 |
| Protein bicaudal D homolog 2 (Bic-D 2) | Bicd2 Kiaa0699 | Q921C5 | 5 |
| Protein C-ets-1 (p54) | Ets1 Ets-1 | P27577 | 5 |
| Protein diaphanous homolog 1 (Diaphanous-related formin-1) (DRF1) (p140mDIA) (mDIA1) | Diaph1 Diap1 | O08808 | 5 |
| Protein disulfide-isomerase TMX3 (EC 5.3.4.1) (Thioredoxin domain-containing protein 10) (Thioredoxin-related transmembrane protein 3) | Tmx3 Kiaa1830 Txndc10 | Q8BXZ1 | 5 |
| Protein DJ-1 (EC 3.4.-.-) (Parkinson disease protein 7 homolog) | Park7 | Q99LX0 | 5 |
| Protein Enpp7 | Enpp7 | D3Z6V6 | 5 |
| Protein FAM126B | Fam126b D1Ertd53e | Q8C729 | 5 |
| Protein FAM192A (NEFA-interacting nuclear protein NIP30) | Fam192a Nip30 | Q91WE2 | 5 |
| Protein FAM203A (Brain protein 16) | Fam203a Brp16 MNCb-5873 | Q8C3I8 | 5 |
| Protein FAM49B | Fam49b | Q921M7 | 5 |
| Protein FAM69A | Fam69a | Q9D6I7 | 5 |
| Protein fem-1 homolog B (FEM1b) (FEM1-beta) (Fem-1-like death receptor-binding protein alpha) (Fem-1-like in apoptotic pathway protein alpha) (F1A-alpha) (mt-Fem) | Fem1b F1aa Kiaa0396 | Q9Z2G0 | 5 |
| Protein Ftsj1 | Ftsj1 | Q8CBC7 | 5 |
| Protein Gm13212 | Gm13212 | E9PWQ2 | 5 |
| Protein Gm14325 | Gm14325 | A2AW67 | 5 |
| Protein jagunal homolog 1 | Jagn1 | Q5XKN4 | 5 |
| Protein LLP homolog (Protein LAPS18-like) | Llph | Q9D945 | 5 |
| Protein MGARP (Corneal endothelium-specific protein 1) (CESP-1) (Hypoxia up-regulated mitochondrial movement regulator protein) (Mitochondria-localized glutamic acid-rich protein) (Ovary-specific acidic protein) | Mgarp Cesp1 Hummr Osap | Q8VI64 | 5 |
| Protein N-lysine methyltransferase METTL21A (EC 2.1.1.-) (Methyltransferase-like protein 21A) | Mettl21A Fam119a | Q9CQL0 | 5 |
| Protein O-linked-mannose beta-1,2-N-acetylglucosaminyltransferase 1 (POMGnT1) (EC 2.4.1.-) | Pomgnt1 | Q91X88 | 5 |
| Protein Olfr1206 | Olfr1206 | A2ATJ9 | 5 |
| Protein phosphatase 1D (EC 3.1.3.16) (Protein phosphatase 2C isoform delta) (PP2C-delta) (Protein phosphatase magnesium-dependent 1 delta) (p53-induced protein phosphatase 1) | Ppm1d Wip1 | Q9QZ67 | 5 |
| Protein phosphatase 1M (EC 3.1.3.16) (Protein phosphatase 2C isoform eta) (PP2C-eta) (PP2CE) | Ppm1m Ppm1e | Q8BU27 | 5 |
| Protein PRRC2B (HLA-B-associated transcript 2-like 1) (Proline-rich coiled-coil protein 2B) | Prrc2b Bat2l Bat2l1 Kiaa0515 | Q7TPM1 | 5 |
| Protein PRRC2C (BAT2 domain-containing protein 1) (HLA-B-associated transcript 2-like 2) (Proline-rich and coiled-coil-containing protein 2C) | Prrc2c Bat2d Bat2d1 Bat2l2 Kiaa1096 | Q3TLH4 | 5 |
| Protein Rab42 (Rab43) (Uncharacterized protein) | Rab42 9530096D07Rik Rab42-ps Rab43 | Q0PD08 | 5 |
| Protein Red (Cytokine IK) (IK factor) (Protein RER) | Ik Red Rer | Q9Z1M8 | 5 |
| Protein Rnpepl1 | Rnpepl1 | G5E872 | 5 |
| Protein SFI1 homolog | Sfi1 Kiaa0542 | Q3UZY0 | 5 |
| Protein Tob2 (Transducer of erbB-2 2) | Tob2 | Q9JM55 | 5 |
| Protein transport protein Sec61 subunit beta | Sec61b | Q9CQS8 | 5 |
| Protein YIPF5 (YIP1 family member 5) (YPT-interacting protein 1 A) | Yipf5 Yip1a | Q9EQQ2 | 5 |
| Protein Ythdc1 | Ythdc1 | E9PW44 | 5 |
| Protein Zfp955b | Zfp955b | L7N232 | 5 |
| Protocadherin-15 | Pcdh15 | Q99PJ1 | 5 |
| Purine nucleoside phosphorylase (PNP) (EC 2.4.2.1) (Inosine phosphorylase) (Inosine-guanosine phosphorylase) | Pnp Np Pnp1 | P23492 | 5 |
| Putative adenosylhomocysteinase 3 (AdoHcyase 3) (EC 3.3.1.1) (S-adenosyl-L-homocysteine hydrolase 3) (S-adenosylhomocysteine hydrolase-like protein 2) | Ahcyl2 | Q68FL4 | 5 |
| Putative RNA polymerase II subunit B1 CTD phosphatase Rpap2 (EC 3.1.3.16) (RNA polymerase II-associated protein 2) | Rpap2 | Q8VC34 | 5 |
| Putative sodium-coupled neutral amino acid transporter 10 (Solute carrier family 38 member 10) | Slc38a10 | Q5I012 | 5 |
| Putative uncharacterized protein | Speer3 | Q9D4A3 | 5 |
| Putative uncharacterized protein | Grik1 | Q3UZT1 | 5 |
| Rab5 GDP/GTP exchange factor (Rabex-5) | Rabgef1 Rabex5 | Q9JM13 | 5 |