| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q60GF7 | Phosphatidylinositol-glycan biosynthesis class X protein; PIG-X; | Pigx; | NP_001094121.1; | 252 | rat |
| Q4V7F5 | PIH1 domain-containing protein 1; | Pih1d1; | NP_001020039.1;XP_006229089.1;XP_006229090.1; | 290 | rat |
| P26794 | Serine/threonine-protein kinase pim-1; EC 2.7.11.1; | Pim1; Pim-1; | NP_058730.1; | 313 | rat |
| O70444 | Serine/threonine-protein kinase pim-3; EC 2.7.11.1; Kinase induced by depolarization; Protein kinase Kid-1; | Pim3; Kid1; | NP_072124.1; | 326 | rat |
| P22062 | Protein-L-isoaspartate(D-aspartate) O-methyltransferase; PIMT; EC 2.1.1.77; L-isoaspartyl protein carboxyl methyltransferase; Protein L-isoaspartyl/D-aspartyl methyltransferase; Protein-beta-aspartate methyltransferase; | Pcmt1; | NP_037205.2; | 227 | rat |
| A4L691 | PIN2/TERF1-interacting telomerase inhibitor 1; Pin2-interacting protein X1; | Pinx1; | NP_001076806.1; | 331 | rat |
| P16446 | Phosphatidylinositol transfer protein alpha isoform; PI-TP-alpha; PtdIns transfer protein alpha; PtdInsTP alpha; | Pitpna; Pitpn; | NP_058927.1; | 271 | rat |
| P53812 | Phosphatidylinositol transfer protein beta isoform; PI-TP-beta; PtdIns transfer protein beta; PtdInsTP beta; | Pitpnb; | NP_446194.1;XP_006249584.1; | 271 | rat |
| O70417 | Prolactin-inducible protein homolog; Prolactin-induced protein; | Pip; | NP_073199.1; | 146 | rat |
| Q5M827 | Pirin; EC 1.13.11.24; Probable quercetin 2,3-dioxygenase PIR; Probable quercetinase; | Pir; | NP_001009474.1; | 291 | rat |
| P10037 | Pituitary-specific positive transcription factor 1; PIT-1; Growth hormone factor 1; GHF-1; | Pou1f1; Ghf-1 Pit-1 Pit1; | XP_006248036.1; | 291 | rat |
| Q5U2N3 | Membrane-associated phosphatidylinositol transfer protein 1; Phosphatidylinositol transfer protein, membrane-associated 1; PITPnm 1; Pyk2 N-terminal domain-interacting receptor 2; NIR-2; | Pitpnm1; Nir2 Pitpnm; | NP_001008370.1; | 1242 | rat |
| Q99NA7 | Pituitary homeobox 1; Homeobox protein PITX1; Paired-like homeodomain transcription factor 1; | Pitx1; Ptx1; | NP_446076.1;XP_006253631.1; | 315 | rat |
| Q9R0W1 | Pituitary homeobox 2; Homeobox protein PITX2; Paired-like homeodomain transcription factor 2; rPtx2; | Pitx2; Ptx2; | NP_001035970.1;NP_062207.1; | 324 | rat |
| P81062 | Pituitary homeobox 3; Homeobox protein PITX3; Paired-like homeodomain transcription factor 3; | Pitx3; Ptx3; | NP_062120.1;XP_006231540.1; | 302 | rat |
| Q4G033 | Piwi-like protein 4; | Piwil4; | NULL | 848 | rat |
| Q63364 | E3 ubiquitin-protein ligase Praja-2; Praja2; EC 6.3.2.-; | Pja2; Neurodap1; | NP_001264207.1;NP_620251.1; | 707 | rat |
| O88763 | Phosphatidylinositol 3-kinase catalytic subunit type 3; PI3-kinase type 3; PI3K type 3; PtdIns-3-kinase type 3; EC 2.7.1.137; Phosphoinositide-3-kinase class 3; | Pik3c3; Vps34; | NP_075247.1; | 887 | rat |
| Q9Z1L0 | 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-癷?癸 | Pik3cb; | NP_445933.1; | 1070 | rat |
| P60669 | Pleckstrin homology domain-containing family A member 4; PH domain-containing family A member 4; Phosphoinositol 3-phosphate-binding protein 1; PEPP-1; | Plekha4; Pepp1; | NP_954532.1; | 779 | rat |
