| PH domain leucine-rich repeat-containing protein phosphatase 2 (EC 3.1.3.16) (PH domain leucine-rich repeat-containing protein phosphatase-like) (PHLPP-like) | Phlpp2 Phlppl | Q8BXA7 | 1 |
| PH-interacting protein | Phip | F8VQ93 | 1 |
| PHD finger protein 10 | Phf10 | K4DI61 | 1 |
| PHD finger protein 10 (BRG1-associated factor 45a) (BAF45a) | Phf10 Baf45a | Q9D8M7 | 1 |
| PHD finger protein 20 (Hepatocellular carcinoma-associated antigen 58 homolog) | Phf20 Hca58 | Q8BLG0 | 1 |
| PHD finger protein 6 | Phf6 | E9QAG2 | 1 |
| Phosducin-like protein (PHLP) | Pdcl PhLP1 | Q9DBX2 | 1 |
| Phosphatase and actin regulator 1 | Phactr1 | Q2M3X8 | 1 |
| Phosphatidate cytidylyltransferase (EC 2.7.7.41) | Cds2 | A2AMQ5 | 1 |
| Phosphatidate cytidylyltransferase (EC 2.7.7.41) (Fragment) | Cds2 | F6S4G2 | 1 |
| Phosphatidate cytidylyltransferase, mitochondrial (EC 2.7.7.41) (CDP-diacylglycerol synthase) (CDP-DAG synthase) (Mitochondrial translocator assembly and maintenance protein 41 homolog) (TAM41) | Tamm41 | Q3TUH1 | 1 |
| Phosphatidate cytidylyltransferase, mitochondrial (EC 2.7.7.41) (CDP-diacylglycerol synthase) (Mitochondrial translocator assembly and maintenance protein 41 homolog) | Tamm41 1500001M20Rik mCG_130496 | G5E881 | 1 |
| Phosphatidate phosphatase LPIN1 | Lpin1 | E9QKQ5 | 1 |
| Phosphatidate phosphatase LPIN1 (EC 3.1.3.4) (Fatty liver dystrophy protein) (Lipin-1) | Lpin1 Fld | Q91ZP3 | 1 |
| Phosphatidic acid phosphatase type 2c, isoform CRA_a (Phospholipid phosphatase 2) | Plpp2 Ppap2c mCG_18216 | G3XA61 | 1 |
| Phosphatidylcholine transfer protein | Pctp | Q5SV41 | 1 |
| Phosphatidylcholine transfer protein (PC-TP) (START domain-containing protein 2) (StARD2) (StAR-related lipid transfer protein 2) | Pctp Stard2 | P53808 | 1 |
| Phosphatidylethanolamine-binding protein 1 | Pebp1 | D3Z1V4 | 1 |
| Phosphatidylglycerophosphatase and protein-tyrosine phosphatase 1 (EC 3.1.3.27) (PTEN-like phosphatase) (Phosphoinositide lipid phosphatase) (Protein-tyrosine phosphatase mitochondrial 1) (EC 3.1.3.16) (EC 3.1.3.48) | Ptpmt1 Plip | Q66GT5 | 1 |
| Phosphatidylinositol 3-kinase (EC 2.7.1.137) | Pik3c3 | D3YZ98 | 1 |
| Phosphatidylinositol 3-kinase (EC 2.7.1.137) | Pik3c3 | E9QLS6 | 1 |
| Phosphatidylinositol 3-kinase regulatory subunit alpha (Phosphatidylinositol 3-kinase, regulatory subunit, polypeptide 1 (P85 alpha)) | Pik3r1 | Q80UI5 | 1 |
| Phosphatidylinositol 3-kinase regulatory subunit gamma | Pik3r3 | B1AUG0 | 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 alpha isoform (PI3-kinase subunit alpha) (PI3K-alpha) (PI3Kalpha) (PtdIns-3-kinase subunit alpha) (EC 2.7.1.153) (Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit alpha) (PtdIns-3-kinase subunit p110-alpha) (p110alpha) (Phosphoinositide-3-kinase catalytic alpha polypeptide) (Serine/threonine protein kinase PIK3CA) (EC 2.7.11.1) | Pik3ca | P42337 | 1 |
| Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform (PI3-kinase subunit delta) (PI3K-delta) (PI3Kdelta) (PtdIns-3-kinase subunit delta) (EC 2.7.1.153) (Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit delta) (PtdIns-3-kinase subunit p110-delta) (p110delta) | Pik3cd | O35904 | 1 |
| Phosphatidylinositol 4-phosphate 5-kinase type-1 alpha | Pip5k1a | D3YUY3 | 1 |
| Phosphatidylinositol 4-phosphate 5-kinase type-1 gamma | Pip5k1c | F8WHW6 | 1 |
| Phosphatidylinositol 5-phosphate 4-kinase type-2 alpha (Fragment) | Pip4k2a | F6RJE8 | 1 |
| Phosphatidylinositol glycan anchor biosynthesis class U protein (Cell division cycle protein 91-like 1) (Protein CDC91-like 1) (GPI transamidase component PIG-U) | Pigu Cdc91l1 | Q8K358 | 1 |
| Phosphatidylinositol transfer protein alpha isoform | Pitpna | J3QQ30 | 1 |
| Phosphatidylinositol-4-phosphate 5-kinase, type II, beta (Putative uncharacterized protein) | Pip4k2b Pip5k2b mCG_13226 | Q3UJ95 | 1 |
| Phosphatidylserine decarboxylase proenzyme, mitochondrial | Pisd | D3YY63 | 1 |
| Phosphatidylserine decarboxylase proenzyme, mitochondrial (EC 4.1.1.65) [Cleaved into: Phosphatidylserine decarboxylase alpha chain; Phosphatidylserine decarboxylase beta chain] | Pisd PISD | E9PX91 | 1 |
| Phosphatidylserine decarboxylase proenzyme, mitochondrial (EC 4.1.1.65) [Cleaved into: Phosphatidylserine decarboxylase beta chain; Phosphatidylserine decarboxylase alpha chain] | Pisd | Q8BSF4 | 1 |
| Phosphatidylserine decarboxylase proenzyme, mitochondrial (Fragment) | Pisd | F7C386 | 1 |
| Phosphatidylserine synthase 2 (PSS-2) (PtdSer synthase 2) (EC 2.7.8.29) (Serine-exchange enzyme II) | Ptdss2 Pss2 | Q9Z1X2 | 1 |
| Phosphoacetylglucosamine mutase (PAGM) (EC 5.4.2.3) (Acetylglucosamine phosphomutase) (N-acetylglucosamine-phosphate mutase) (Phosphoglucomutase-3) (PGM 3) | Pgm3 Agm1 Pgm-3 | Q9CYR6 | 1 |
| Phosphoglycerate mutase (EC 5.4.2.11) (EC 5.4.2.4) | Pgam1 mCG_113582 mCG_133364 mCG_14289 | Q3U7Z6 | 1 |
| Phosphoglycerate mutase (EC 5.4.2.11) (EC 5.4.2.4) (Fragment) | Bpgm | D3YYH3 | 1 |
| Phosphoinositide phospholipase C (EC 3.1.4.11) | Plch1 | H3BKK4 | 1 |
| Phosphoinositide phospholipase C (EC 3.1.4.11) | Plch1 | I1E4X4 | 1 |
| Phosphoinositide phospholipase C (EC 3.1.4.11) | Plch1 | I1E4X6 | 1 |
| Phosphoinositide phospholipase C (EC 3.1.4.11) | Plcb4 | V9GXQ9 | 1 |
| Phosphoinositide phospholipase C (EC 3.1.4.11) | Plcb3 | Q3TWI4 | 1 |
| Phosphoinositide phospholipase C (EC 3.1.4.11) (Fragment) | Plcb4 | A2AT91 | 1 |
| Phospholipase A2 (EC 3.1.1.4) | Pla2g4a | Q9DBX5 | 1 |
| Phospholipase B1, membrane-associated (Phospholipase B) (Phospholipase B/lipase) (PLB/LIP) [Includes: Phospholipase A2 (EC 3.1.1.4); Lysophospholipase (EC 3.1.1.5)] | Plb1 Plb | Q3TTY0 | 1 |
| Phospholipase D1 (PLD 1) (mPLD1) (EC 3.1.4.4) (Choline phosphatase 1) (Phosphatidylcholine-hydrolyzing phospholipase D1) | Pld1 | Q9Z280 | 1 |
| Phospholipase DDHD2 (EC 3.1.1.-) (DDHD domain-containing protein 2) (SAM, WWE and DDHD domain-containing protein 1) | Ddhd2 Kiaa0725 Samwd1 | Q80Y98 | 1 |
| Phospholipid scramblase 4 (PL scramblase 4) (Ca(2+)-dependent phospholipid scramblase 4) | Plscr4 | P58196 | 1 |
| Phospholipid transfer protein | Pltp | A2A5K2 | 1 |
| Phospholipid-transporting ATPase (EC 3.6.3.1) | Atp9a | A2AQC3 | 1 |
| Phospholipid-transporting ATPase (EC 3.6.3.1) | Atp11c | F6Q8D3 | 1 |
| Phospholipid-transporting ATPase (EC 3.6.3.1) | Atp11b mCG_20276 | Q6DFW5 | 1 |
| Phospholipid-transporting ATPase (EC 3.6.3.1) | Atp9a mCG_20648 | Q8C288 | 1 |
| Phospholipid-transporting ATPase (EC 3.6.3.1) | Atp8b4 | A2ANX3 | 1 |
| Phospholipid-transporting ATPase FetA (EC 3.6.3.1) (ATPase class I type 8B member 2-like protein) (ATPase class I type 8B member 5) (Flippase expressed in testis A) | Atp8b5 Feta | A3FIN4 | 1 |
| Phospholipid-transporting ATPase ID (EC 3.6.3.1) (ATPase class I type 8B member 2) (P4-ATPase flippase complex alpha subunit ATP8B2) | Atp8b2 | P98199 | 1 |
| Phosphomannomutase (EC 5.4.2.8) | Pmm1 | Q91W01 | 1 |
| Phosphopantothenate--cysteine ligase (EC 6.3.2.5) (Phosphopantothenoylcysteine synthetase) (PPC synthetase) | Ppcs Coab | Q8VDG5 | 1 |
| Phosphoprotein associated with glycosphingolipid-enriched microdomains 1 (Csk-binding protein) (Transmembrane phosphoprotein Cbp) | Pag1 Cbp Pag | Q3U1F9 | 1 |
| Phosphoribosyl pyrophosphate synthase-associated protein 1 (Fragment) | Prpsap1 | B1AT84 | 1 |
| Phosphoribosyl pyrophosphate synthetase 1-like 1 (RIKEN cDNA 1700011K15) | Prps1l1 1700011K15Rik mCG_48722 | Q8C5R8 | 1 |
| Phosphoserine aminotransferase (Fragment) | Psat1 | E9Q6P1 | 1 |
| Phosphoserine phosphatase (Phosphoserine phosphatase, isoform CRA_b) | Psph mCG_12439 | D3Z4T3 | 1 |
| Phosphotriesterase-related protein (Fragment) | Pter | A2AUR5 | 1 |
| Phosphotriesterase-related protein (Fragment) | Pter | A2AUR3 | 1 |
| PILR alpha-associated neural protein | Pianp | A0A0N4SVY3 | 1 |
| PILR alpha-associated neural protein (Brain protein 1) (PILR-associating neural protein) (Paired immunoglobin-like type 2 receptor-associating neural protein) | Pianp Panp | Q6P1B3 | 1 |
| Pinin (Putative uncharacterized protein) | Pnn | Q3TUQ5 | 1 |
| Pituitary adenylate cyclase-activating polypeptide type I receptor (PACAP type I receptor) (PACAP-R-1) (PACAP-R1) | Adcyap1r1 | P70205 | 1 |
| Pituitary tumor-transforming gene 1 protein-interacting protein (Fragment) | Pttg1ip | F6TFF2 | 1 |
| Piwi-like protein 2 (EC 3.1.26.-) | Piwil2 Mili | Q8CDG1 | 1 |
| Plakophilin-4 | Pkp4 | A2AS45 | 1 |
| Plasminogen activator inhibitor 1 (Serine (Or cysteine) peptidase inhibitor, clade E, member 1, isoform CRA_b) | Serpine1 mCG_18018 | G5E899 | 1 |
| Plasminogen activator inhibitor 2, macrophage (PAI-2) (Serpin B2) | Serpinb2 Pai2 Planh2 | P12388 | 1 |
| Plasminogen receptor (KT) (Plg-R(KT)) | Plgrkt | Q9D3P8 | 1 |
| Plastin-3 | Pls3 | B1AX58 | 1 |
| Platelet derived growth factor, alpha (Platelet derived growth factor, alpha, isoform CRA_b) (Platelet-derived growth factor subunit A) | Pdgfa mCG_23666 | Q99L56 | 1 |
| Platelet glycoprotein Ib beta chain (GP-Ib beta) (GPIb-beta) (GPIbB) (CD antigen CD42c) | Gp1bb | P56400 | 1 |
| Platelet-activating factor acetylhydrolase 2, cytoplasmic | Pafah2 | E9QNW6 | 1 |
| Platelet-activating factor acetylhydrolase IB subunit gamma | Pafah1b3 | D3Z7E6 | 1 |
| Platelet-activating factor acetylhydrolase IB subunit gamma (Fragment) | Pafah1b3 | D3Z2X5 | 1 |
| Platelet-derived growth factor D (PDGF-D) (Spinal cord-derived growth factor B) (SCDGF-B) [Cleaved into: Platelet-derived growth factor D, latent form (PDGFD latent form); Platelet-derived growth factor D, receptor-binding form (PDGFD receptor-binding form)] | Pdgfd Scdgfb | Q925I7 | 1 |
| Platelet-derived growth factor receptor beta (PDGF-R-beta) (PDGFR-beta) (EC 2.7.10.1) (Beta platelet-derived growth factor receptor) (Beta-type platelet-derived growth factor receptor) | Pdgfrb | E9QN12 | 1 |
| Pleckstrin (Putative uncharacterized protein) | Plek | Q8CAG6 | 1 |
| Pleckstrin homology domain-containing family A member 2 (Fragment) | Plekha2 | F8WIK5 | 1 |
| Pleckstrin homology domain-containing family B member 2 (Fragment) | Plekhb2 | D3Z3L2 | 1 |
| Pleckstrin homology domain-containing family F member 2 (PH domain-containing family F member 2) | Plekhf2 | Q91WB4 | 1 |
| Pleckstrin homology domain-containing family G member 5 | Plekhg5 | B1AS67 | 1 |
| Pleckstrin homology domain-containing family G member 5 (PH domain-containing family G member 5) (Synectin-binding RhoA exchange factor) (SYX) | Plekhg5 Kiaa0720 Syx | Q66T02 | 1 |
| Pleckstrin homology domain-containing family O member 1 (Fragment) | Plekho1 | F6XQM2 | 1 |
| Pleckstrin homology-like domain family A member 2 (Imprinted in placenta and liver protein) (Protein 50C15) | Phlda2 Ipl Tssc3 | O08969 | 1 |
| Pleckstrin homology-like domain family B member 1 | Phldb1 | D3Z0X5 | 1 |
| Pleckstrin homology-like domain family B member 1 | Phldb1 | D3Z4N0 | 1 |
| Pleckstrin homology-like domain family B member 2 (Fragment) | Phldb2 | D3Z069 | 1 |
| Plectin (Fragment) | Plec | E9Q9J6 | 1 |
| Pleiotropic regulator 1 | Plrg1 | D3Z4V1 | 1 |
| Pleiotropic regulator 1 | Plrg1 | F8WI31 | 1 |