| Oxidation resistance protein 1 (Protein C7) | Oxr1 C7 Gm1238 | Q4KMM3 | 1 |
| Oxidized low-density lipoprotein receptor 1 (Ox-LDL receptor 1) (Lectin-like oxidized LDL receptor 1) (LOX-1) (Lectin-like oxLDL receptor 1) (Lectin-type oxidized LDL receptor 1) [Cleaved into: Oxidized low-density lipoprotein receptor 1, soluble form] | Olr1 Lox1 | Q9EQ09 | 1 |
| Oxysterol-binding protein | Osbpl10 | Q8R2T7 | 1 |
| Oxysterol-binding protein 1 | Osbp Kiaa4220 | Q3B7Z2 | 1 |
| Oxysterol-binding protein 2 | Osbp2 | Q5QNQ6 | 1 |
| Oxysterols receptor LXR-alpha (Liver X receptor alpha) (Nuclear receptor subfamily 1 group H member 3) | Nr1h3 Lxra | Q9Z0Y9 | 1 |
| Oxytocin-neurophysin 1 (OT-NPI) [Cleaved into: Oxytocin (Ocytocin); Neurophysin 1] | Oxt | P35454 | 1 |
| P2X purinoceptor 6 (P2X6) (ATP receptor) (P2XM) (Purinergic receptor) (Purinergic receptor P2X-like 1) | P2rx6 P2rxl1 | O54803 | 1 |
| P3 protein (Solute carrier family 10 member 3) | Slc10a3 P3 | P21129 | 1 |
| PAB-dependent poly(A)-specific ribonuclease subunit 3 | Pan3 | Q640Q5 | 1 |
| PACRG-like protein | Pacrgl | Q9D3X5 | 1 |
| Paired amphipathic helix protein Sin3a (Histone deacetylase complex subunit Sin3a) (Transcriptional corepressor Sin3a) | Sin3a Kiaa4126 | Q60520 | 1 |
| Paired immunoglobulin-like type 2 receptor alpha (Cell surface receptor FDF03) (Inhibitory receptor PILR-alpha) | Pilra | Q2YFS3 | 1 |
| Palmitoyltransferase ZDHHC17 (EC 2.3.1.225) (Huntingtin-interacting protein 14) (Zinc finger DHHC domain-containing protein 17) (DHHC-17) | Zdhhc17 Hip14 Kiaa0946 | Q80TN5 | 1 |
| Palmitoyltransferase ZDHHC18 (EC 2.3.1.225) (Zinc finger DHHC domain-containing protein 18) (DHHC-18) | Zdhhc18 | Q5Y5T2 | 1 |
| Palmitoyltransferase ZDHHC5 (EC 2.3.1.225) (Zinc finger DHHC domain-containing protein 5) (DHHC-5) | Zdhhc5 Kiaa1748 | Q8VDZ4 | 1 |
| Palmitoyltransferase ZDHHC7 (EC 2.3.1.225) (GABA-A receptor-associated membrane protein 2) (Zinc finger DHHC domain-containing protein 7) (DHHC-7) | Zdhhc7 Gramp2 | Q91WU6 | 1 |
| Pancreatic secretory granule membrane major glycoprotein GP2 (Pancreatic zymogen granule membrane protein GP-2) | Gp2 | Q9D733 | 1 |
| PAP-associated domain-containing protein 5 (EC 2.7.7.-) (Topoisomerase-related function protein 4-2) (TRF4-2) | Papd5 | Q68ED3 | 1 |
| Papillary renal cell carcinoma (Translocation-associated) (Papillary renal cell carcinoma-associated protein) (Protein Prcc) | Prcc mCG_3086 | Q9EQC8 | 1 |
| Parafibromin (Cell division cycle protein 73 homolog) (Hyperparathyroidism 2 protein homolog) | Cdc73 | Q8JZM7 | 1 |
| Paraspeckle component 1 (Paraspeckle protein 1) (mPSP1) | Pspc1 Psp1 | Q8R326 | 1 |
| Parathymosin | Ptms | Q9D0J8 | 1 |
| Parathyroid hormone/parathyroid hormone-related peptide receptor (PTH/PTHrP type I receptor) (PTH/PTHr receptor) (Parathyroid hormone 1 receptor) (PTH1 receptor) | Pth1r Pthr Pthr1 | P41593 | 1 |
| PAS domain-containing serine/threonine-protein kinase (PAS-kinase) (PASKIN) (EC 2.7.11.1) | Pask Kiaa0135 | Q8CEE6 | 1 |
| Patatin-like phospholipase domain-containing protein 3 (EC 3.1.1.3) (Acylglycerol O-acyltransferase) (EC 2.3.1.-) (Adiponutrin) (Calcium-independent phospholipase A2-epsilon) (iPLA2-epsilon) | Pnpla3 Adpn | Q91WW7 | 1 |
| Patatin-like phospholipase domain-containing protein 7 (EC 3.1.1.-) | Pnpla7 | A2AJ88 | 1 |
| PAX3- and PAX7-binding protein 1 (PAX3/7BP) (GC-rich sequence DNA-binding factor 1) | Paxbp1 Gcfc Gcfc1 | P58501 | 1 |
| PDZ and LIM domain protein 2 (PDZ-LIM protein mystique) | Pdlim2 | Q8R1G6 | 1 |
| PDZ domain-containing protein GIPC1 (GAIP C-terminus-interacting protein) (RGS-GAIP-interacting protein) (RGS19-interacting protein 1) (SemaF cytoplasmic domain-associated protein 1) (SEMCAP-1) (Synectin) | Gipc1 Gipc Rgs19ip1 Semcap1 | Q9Z0G0 | 1 |
| Pecanex-like protein 1 (Pecanex homolog) | Pcnx Kiaa0805 Pcnxl1 | Q9QYC1 | 1 |
| Pentatricopeptide repeat-containing protein 1, mitochondrial | Ptcd1 | Q8C2E4 | 1 |
| Pentatricopeptide repeat-containing protein 2, mitochondrial | Ptcd2 | Q8R3K3 | 1 |
| Peptidyl-prolyl cis-trans isomerase B (PPIase B) (EC 5.2.1.8) (CYP-S1) (Cyclophilin B) (Rotamase B) (S-cyclophilin) (SCYLP) | Ppib | P24369 | 1 |
| Peptidyl-prolyl cis-trans isomerase FKBP10 (PPIase FKBP10) (EC 5.2.1.8) (65 kDa FK506-binding protein) (65 kDa FKBP) (FKBP-65) (FK506-binding protein 10) (FKBP-10) (Immunophilin FKBP65) (Rotamase) | Fkbp10 Fkbp-rs Fkbp1-rs Fkbp6 Fkbp65 Fkbprp | Q61576 | 1 |
| Peptidyl-prolyl cis-trans isomerase FKBP11 (PPIase FKBP11) (EC 5.2.1.8) (19 kDa FK506-binding protein) (19 kDa FKBP) (FKBP-19) (FK506-binding protein 11) (FKBP-11) (Rotamase) | Fkbp11 | Q9D1M7 | 1 |
| Peptidyl-prolyl cis-trans isomerase FKBP14 (PPIase FKBP14) (EC 5.2.1.8) (FK506-binding protein 14) (FKBP-14) (Rotamase) | Fkbp14 | P59024 | 1 |
| Peptidyl-prolyl cis-trans isomerase FKBP7 (PPIase FKBP7) (EC 5.2.1.8) (23 kDa FK506-binding protein) (23 kDa FKBP) (FKBP-23) (FK506-binding protein 7) (FKBP-7) (Rotamase) | Fkbp7 Fkbp23 | O54998 | 1 |
| Peptidyl-prolyl cis-trans isomerase FKBP8 (PPIase FKBP8) (EC 5.2.1.8) (38 kDa FK506-binding protein) (38 kDa FKBP) (FKBP-38) (mFKBP38) (FK506-binding protein 8) (FKBP-8) (FKBPR38) (Rotamase) | Fkbp8 Fkbp38 Sam11 | O35465 | 1 |
| Peptidyl-prolyl cis-trans isomerase FKBP9 (PPIase FKBP9) (EC 5.2.1.8) (63 kDa FK506-binding protein) (63 kDa FKBP) (FKBP-63) (FK506-binding protein 9) (FKBP-9) (FKBP65RS) (Rotamase) | Fkbp9 Fkbp60 Fkbp63 | Q9Z247 | 1 |
| Peptidyl-prolyl cis-trans isomerase-like 1 (PPIase) (EC 5.2.1.8) (Rotamase PPIL1) | Ppil1 | Q9D0W5 | 1 |
| Peptidyl-prolyl cis-trans isomerase-like 4 (PPIase) (EC 5.2.1.8) (Cyclophilin-like protein PPIL4) (Rotamase PPIL4) | Ppil4 | Q9CXG3 | 1 |
| Peptidyl-tRNA hydrolase 2, mitochondrial (PTH 2) (EC 3.1.1.29) | Ptrh2 Pth2 | Q8R2Y8 | 1 |
| Periodic tryptophan protein 1 homolog | Pwp1 | Q99LL5 | 1 |
| Peripheral myelin protein 22 (PMP-22) (Growth arrest-specific protein 3) (GAS-3) | Pmp22 Gas-3 Gas3 Pmp-22 | P16646 | 1 |
| Peripherin (Peripherin 1, isoform CRA_b) | Prph Prph1 mCG_18385 | G3X981 | 1 |
| Periphilin-1 | Pphln1 | Q8K2H1 | 1 |
| Peroxisomal 2,4-dienoyl-CoA reductase (EC 1.3.1.34) (2,4-dienoyl-CoA reductase 2) | Decr2 Pdcr | Q9WV68 | 1 |
| Peroxisomal acyl-coenzyme A oxidase 1 (AOX) (EC 1.3.3.6) (Palmitoyl-CoA oxidase) | Acox1 Acox Paox | Q9R0H0 | 1 |
| Peroxisomal carnitine O-octanoyltransferase (COT) (EC 2.3.1.137) | Crot Cot | Q9DC50 | 1 |
| Peroxisomal coenzyme A diphosphatase NUDT7 (EC 3.6.1.-) (Nucleoside diphosphate-linked moiety X motif 7) (Nudix motif 7) | Nudt7 | Q99P30 | 1 |
| Peroxisomal membrane protein PEX13 (Peroxin-13) | Pex13 | Q9D0K1 | 1 |
| Peroxisomal membrane protein PEX14 (PTS1 receptor-docking protein) (Peroxin-14) (Peroxisomal membrane anchor protein PEX14) | Pex14 | Q9R0A0 | 1 |
| Peroxisomal targeting signal 1 receptor (PTS1 receptor) (PTS1R) (PTS1-BP) (PXR1P) (Peroxin-5) (Peroxisomal C-terminal targeting signal import receptor) (Peroxisome receptor 1) | Pex5 Pxr1 | O09012 | 1 |
| Peroxisomal targeting signal 2 receptor (PTS2 receptor) (Peroxin-7) | Pex7 | P97865 | 1 |
| Peroxisomal testis-specific protein 1 (Small testis-specific peroxisomal protein) | Pxt1 Stepp | Q8K459 | 1 |
| Peroxisome biogenesis factor 1 (Peroxin-1) | Pex1 | Q5BL07 | 1 |
| Peroxisome biogenesis factor 10 (Peroxin-10) (Peroxisomal biogenesis factor 10) (Peroxisome assembly protein 10) | Pex10 | B1AUE5 | 1 |
| PERQ amino acid-rich with GYF domain-containing protein 2 (GRB10-interacting GYF protein 2) (Trinucleotide repeat-containing gene 15 protein) | Gigyf2 Kiaa0642 Perq2 Tnrc15 | Q6Y7W8 | 1 |
| Persephin | Pspn mCG_5585 | A1L3Q1 | 1 |
| Persulfide dioxygenase ETHE1, mitochondrial (EC 1.13.11.18) (Ethylmalonic encephalopathy protein 1 homolog) (Hepatoma subtracted clone one protein) (Sulfur dioxygenase ETHE1) | Ethe1 Hsco | Q9DCM0 | 1 |
| PHD and RING finger domain-containing protein 1 | Phrf1 Kiaa1542 | A6H619 | 1 |
| PHD finger protein 1 (Protein PHF1) (Polycomb-like protein 1) (mPCl1) (T-complex testis-expressed 3) | Phf1 Plc1 Tctex-3 Tctex3 | Q9Z1B8 | 1 |
| PHD finger protein 21A (BHC80a) (BRAF35-HDAC complex protein BHC80) (mBHC80) | Phf21a Bhc80 Kiaa1696 Pftf1 | Q6ZPK0 | 1 |
| PHD finger protein 6 | Phf6 Kiaa1823 | Q9D4J7 | 1 |
| PHD finger protein 7 (Testis development protein NYD-SP6) | Phf7 | Q9DAG9 | 1 |
| PHD finger-like domain-containing protein 5A (PHD finger-like domain protein 5A) (Splicing factor 3B-associated 14 kDa protein) (SF3b14b) | Phf5a | P83870 | 1 |
| Phenylethanolamine N-methyltransferase (PNMTase) (EC 2.1.1.28) (Noradrenaline N-methyltransferase) | Pnmt | P40935 | 1 |
| Phosphatidate phosphatase LPIN2 (EC 3.1.3.4) (Lipin-2) | Lpin2 | Q99PI5 | 1 |
| Phosphatidylinositol 3-kinase regulatory subunit beta (PI3-kinase regulatory subunit beta) (PI3K regulatory subunit beta) (PtdIns-3-kinase regulatory subunit beta) (Phosphatidylinositol 3-kinase 85 kDa regulatory subunit beta) (PI3-kinase subunit p85-beta) (PtdIns-3-kinase regulatory subunit p85-beta) | Pik3r2 | O08908 | 1 |
| Phosphatidylinositol 3-kinase regulatory subunit gamma (PI3-kinase regulatory subunit gamma) (PI3K regulatory subunit gamma) (PtdIns-3-kinase regulatory subunit gamma) (Phosphatidylinositol 3-kinase 55 kDa regulatory subunit gamma) (PI3-kinase subunit p55-gamma) (PtdIns-3-kinase regulatory subunit p55-gamma) (p55PIK) | Pik3r3 | Q64143 | 1 |
| Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform (PI3-kinase subunit beta) (PI3K-beta) (PI3Kbeta) (PtdIns-3-kinase subunit beta) (EC 2.7.1.153) (Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit beta) (PtdIns-3-kinase subunit p110-beta) (p110beta) | Pik3cb | Q8BTI9 | 1 |
| Phosphatidylinositol 4-phosphate 3-kinase C2 domain-containing subunit gamma (PI3K-C2-gamma) (PtdIns-3-kinase C2 subunit gamma) (EC 2.7.1.154) (Phosphoinositide 3-kinase-C2-gamma) | Pik3c2g | O70167 | 1 |
| Phosphatidylinositol 5-phosphate 4-kinase type-2 alpha (EC 2.7.1.149) (1-phosphatidylinositol 5-phosphate 4-kinase 2-alpha) (Diphosphoinositide kinase 2-alpha) (Phosphatidylinositol 5-phosphate 4-kinase type II alpha) (PI(5)P 4-kinase type II alpha) (PIP4KII-alpha) (PtdIns(5)P-4-kinase isoform 2-alpha) | Pip4k2a Pip5k2a | O70172 | 1 |
| Phosphatidylinositol 5-phosphate 4-kinase type-2 beta (EC 2.7.1.149) (1-phosphatidylinositol 5-phosphate 4-kinase 2-beta) (Diphosphoinositide kinase 2-beta) (Phosphatidylinositol 5-phosphate 4-kinase type II beta) (PI(5)P 4-kinase type II beta) (PIP4KII-beta) (PtdIns(5)P-4-kinase isoform 2-beta) | Pip4k2b Pip5k2b | Q80XI4 | 1 |
| Phosphatidylinositol-binding clathrin assembly protein (Clathrin assembly lymphoid myeloid leukemia) (CALM) | Picalm Calm Fit1 | Q7M6Y3 | 1 |
| Phosphoglucomutase-1 (PGM 1) (EC 5.4.2.2) (Glucose phosphomutase 1) (Phosphoglucomutase-2) | Pgm1 Pgm2 | Q9D0F9 | 1 |
| Phosphoglycerate kinase 2 (EC 2.7.2.3) (Phosphoglycerate kinase, testis specific) | Pgk2 Pgk-2 | P09041 | 1 |
| Phosphoinositide-3-kinase-interacting protein 1 (Calcineurin-regulated kringle domain-containing protein) (Kringle domain-containing protein HGFL) | Pik3ip1 Crkd Hgfl | Q7TMJ8 | 1 |
| phospholipase A2 inhibitor and Ly6/PLAUR domain-containing protein | Pinlyp | Q9CQD7 | 1 |
| Phospholipase C, beta 3 (Phospholipase C, beta 3, isoform CRA_b) | Plcb3 mCG_14909 | Q8CI86 | 1 |
| Phospholipase D2 (PLD 2) (mPLD2) (EC 3.1.4.4) (Choline phosphatase 2) (PLD1C) (Phosphatidylcholine-hydrolyzing phospholipase D2) | Pld2 | P97813 | 1 |
| Phospholipase DDHD1 | Ddhd1 | E9QQ38 | 1 |
| Phospholipid hydroperoxide glutathione peroxidase, mitochondrial (PHGPx) (EC 1.11.1.12) (Glutathione peroxidase 4) (GPx-4) (GSHPx-4) | Gpx4 | O70325 | 1 |
| Phospholipid scramblase 2 (PL scramblase 2) (Ca(2+)-dependent phospholipid scramblase 2) | Plscr2 | Q9DCW2 | 1 |
| Phospholipid scramblase 3 (PL scramblase 3) (Ca(2+)-dependent phospholipid scramblase 3) | Plscr3 | Q9JIZ9 | 1 |
| Phosphoprotein associated with glycosphingolipid-enriched microdomains 1 (Csk-binding protein) (Transmembrane phosphoprotein Cbp) | Pag1 Cbp Pag | Q3U1F9 | 1 |
| Phosphorylase b kinase regulatory subunit alpha, liver isoform (Phosphorylase kinase alpha L subunit) | Phka2 | Q8BWJ3 | 1 |
| Phosphorylated adapter RNA export protein (RNA U small nuclear RNA export adapter protein) | Phax Rnuxa | Q9JJT9 | 1 |
| Phosphorylated CTD-interacting factor 1 | Pcif1 | P59114 | 1 |
| Phosphoserine aminotransferase (PSAT) (EC 2.6.1.52) (Endometrial progesterone-induced protein) (EPIP) (Phosphohydroxythreonine aminotransferase) | Psat1 Psa Psat | Q99K85 | 1 |
| Phostensin (Protein phosphatase 1 F-actin cytoskeleton-targeting subunit) (Protein phosphatase 1 regulatory subunit 18) | Ppp1r18 | Q8BQ30 | 1 |
| Phytanoyl-CoA dioxygenase domain-containing protein 1 (EC 1.-.-.-) | Phyhd1 | Q9DB26 | 1 |
| Pikachurin (EGF-like, fibronectin type-III and laminin G-like domain-containing protein) (Nectican) | Egflam | Q4VBE4 | 1 |
| PIRA1 | Pira1 6M21 | A2NTJ8 | 1 |
| Pirin (EC 1.13.11.24) (Probable quercetin 2,3-dioxygenase PIR) (Probable quercetinase) | Pir | Q9D711 | 1 |
| PITH domain-containing protein 1 | Pithd1 Trp26 | Q8BWR2 | 1 |
| Piwi-like protein 1 | Piwil1 Miwi | Q9JMB7 | 1 |
| Placental prolactin-like protein-I (Prolactin family 3, subfamily a, member 1) (Prolactin-like protein I) (Protein Prl3a1) | Prl3a1 Plpi Prlpi mCG_4891 | Q78Y73 | 1 |
| Plasma protease C1 inhibitor (C1 Inh) (C1Inh) (C1 esterase inhibitor) (C1-inhibiting factor) (Serpin G1) | Serping1 C1nh | P97290 | 1 |