| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| Q63189 | Bone marrow proteoglycan; BMPG; Proteoglycan 2; [Cleaved into: Eosinophil granule major basic protein (EMBP) (MBP)]; | Prg2; Mbp; | NP_113807.2; | 227 | rat | 
| Q9QYK2 | Peroxisome proliferator-activated receptor gamma coactivator 1-alpha; PGC-1-alpha; PPAR-gamma coactivator 1-alpha; PPARGC-1-alpha; | Ppargc1a; Pgc1 Pgc1a Ppargc1; | NP_112637.1; | 796 | rat | 
| Q811R2 | Peroxisome proliferator-activated receptor gamma coactivator 1-beta; PGC-1-beta; PPAR-gamma coactivator 1-beta; PPARGC-1-beta; | Ppargc1b; Perc Pgc1 Pgc1b Ppargc1; | NP_788264.1; | 1010 | rat | 
| Q63449 | Progesterone receptor; PR; Nuclear receptor subfamily 3 group C member 3; | Pgr; Nr3c3; | NP_074038.1; | 923 | rat | 
| O89044 | DNA primase large subunit; EC 2.7.7.-; DNA primase 58 kDa subunit; p58; | Prim2; | XP_006244748.1;XP_006244751.1;XP_006244752.1;XP_006244753.1; | 507 | rat | 
| Q71QF9 | Prickle-like protein 1; REST/NRSF-interacting LIM domain protein 1; | Prickle1; Rilp; | NULL | 831 | rat | 
| D3ZZP4 | Proline-rich membrane anchor 1; PRiMA; | Prima1; | NP_001102191.2;XP_006240557.1; | 153 | rat | 
| P13852 | Major prion protein; PrP; CD antigen CD230; | Prnp; Prn Prp; | NP_036763.1;XP_006235124.1; | 254 | rat | 
| Q9JK66 | E3 ubiquitin-protein ligase parkin; EC 6.3.2.-; | Park2; Prkn; | NP_064478.1; | 465 | rat | 
| Q4V8C7 | Interferon-inducible double-stranded RNA-dependent protein kinase activator A; Protein activator of the interferon-induced protein kinase; Protein kinase, interferon-inducible double-stranded RNA-dependent activator; | Prkra; | NP_001019951.1; | 313 | rat | 
| Q64121 | Prolactin-releasing peptide receptor; PrRP receptor; PrRPR; G-protein coupled receptor 10; UHR-1; | Prlhr; Gpr10; | NP_631932.3; | 370 | rat | 
| P05710 | Prolactin receptor; PRL-R; Lactogen receptor; | Prlr; | NP_001029283.1;NP_036762.1; | 610 | rat | 
| P01237 | Prolactin; PRL; | Prl; | NP_036761.1; | 226 | rat | 
| P11248 | Protamine-2; Sperm histone P2; Sperm protamine P2; | Prm2; | NP_037005.1; | 104 | rat | 
| Q64256 | Protamine-3; Sperm protamine P3; | Prm3; | NP_001002855.1; | 104 | rat | 
| P31394 | Vitamin K-dependent protein C; EC 3.4.21.69; Anticoagulant protein C; Autoprothrombin IIA; Blood coagulation factor XIV; [Cleaved into: Vitamin K-dependent protein C light chain; Vitamin K-dependent protein C heavy chain; Activation peptide]; | Proc; | NP_036935.1; | 461 | rat | 
| Q2V057 | Probable proline dehydrogenase 2; EC 1.5.5.2; Probable proline oxidase 2; Proline oxidase-like protein; | Prodh2; | NULL | 456 | rat | 
| P62963 | Profilin-1; Profilin I; | Pfn1; | NP_071956.2; | 140 | rat | 
| Q9EPC6 | Profilin-2; Profilin II; | Pfn2; | NP_110500.1;XP_003749330.1;XP_006232452.1; | 140 | rat | 
| M0RCP6 | Profilin-3; Profilin III; | Pfn3; | NP_001102957.1; | 137 | rat | 
