| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P14882 | Propionyl-CoA carboxylase alpha chain, mitochondrial; PCCase subunit alpha; EC 6.4.1.3; Propanoyl-CoA:carbon dioxide ligase subunit alpha; | Pcca; | NP_062203.1; | 737 | rat |
| P07633 | Propionyl-CoA carboxylase beta chain, mitochondrial; PCCase subunit beta; EC 6.4.1.3; Propanoyl-CoA:carbon dioxide ligase subunit beta; | Pccb; | NULL | 541 | rat |
| D4ACX8 | Protocadherin-16; Protein dachsous homolog 1; | Dchs1; | NP_001101014.2;XP_006230004.1;XP_008757954.1; | 3291 | rat |
| Q767I8 | Protocadherin alpha-4; PCDH-alpha-4; Cadherin-related neuronal receptor 4; | Pcdha4; Cnrv4; | NP_446385.1; | 947 | rat |
| Q63418 | Protocadherin-3; | Pcdh3; | NP_775122.1; | 797 | rat |
| D3ZE55 | Protocadherin-8; Activity-regulated cadherin-like protein; Arcadlin; | Pcdh8; | NP_074059.1;XP_006252437.1;XP_008769119.1; | 1069 | rat |
| Q5EBA8 | Proton-coupled folate transporter; Heme carrier protein 1; PCFT/HCP1; Solute carrier family 46 member 1; | Slc46a1; Hcp1 Pcft; | NP_001013991.1;XP_006247001.1; | 459 | rat |
| Q6DLV9 | Polycomb group RING finger protein 1; Nervous system Polycomb-1; NSPc1; Fragment; | Pcgf1; Nspc1; | NP_001007001.1; | 243 | rat |
| Q5XI70 | Polycomb group RING finger protein 6; RING finger protein 134; | Pcgf6; Rnf134; | NP_001013172.1; | 351 | rat |
| Q5XHZ9 | Pachytene checkpoint protein 2 homolog; Thyroid hormone receptor interactor 13; Thyroid receptor-interacting protein 13; TR-interacting protein 13; TRIP-13; | Trip13; Pch2; | NP_001011930.1;XP_008756903.1; | 432 | rat |
| P07379 | Phosphoenolpyruvate carboxykinase, cytosolic [GTP]; PEPCK-C; EC 4.1.1.32; | Pck1; | NP_942075.1; | 622 | rat |
| Q9JKS6 | Protein piccolo; Aczonin; Multidomain presynaptic cytomatrix protein; | Pclo; | NP_001104267.1;NP_064483.1; | 5085 | rat |
| P04961 | Proliferating cell nuclear antigen; PCNA; Cyclin; | Pcna; | NP_071776.1; | 261 | rat |
| Q7TP40 | PEST proteolytic signal-containing nuclear protein; PCNP; PEST-containing nuclear protein; Liver regeneration-related protein LRRG084; | Pcnp; | NP_001041311.1; | 189 | rat |
| O08628 | Procollagen C-endopeptidase enhancer 1; Procollagen COOH-terminal proteinase enhancer 1; PCPE-1; Procollagen C-proteinase enhancer 1; Type 1 procollagen C-proteinase enhancer protein; Type I procollagen COOH-terminal proteinase enhancer; | Pcolce; Pcpe1; | NP_062110.1; | 468 | rat |
| P63055 | Purkinje cell protein 4; Brain-specific antigen PCP-4; Brain-specific polypeptide PEP-19; | Pcp4; Pep19; | NP_037134.1; | 62 | rat |
| Q9QXU9 | ProSAAS; Proprotein convertase subtilisin/kexin type 1 inhibitor; Proprotein convertase 1 inhibitor; pro-SAAS; [Cleaved into: KEP; Big SAAS (b-SAAS); Little SAAS (l-SAAS); Big PEN-LEN (b-PEN-LEN) (SAAS CT(1-49)); PEN; PEN-20; Little LEN (l-LEN); Big LEN (癷?癸 | Pcsk1n; | NP_062152.1; | 260 | rat |
| Q78EH2 | Proprotein convertase subtilisin/kexin type 4; PC4; EC 3.4.21.-; KEX2-like endoprotease 3; Neuroendocrine convertase 3; NEC 3; Prohormone convertase 3; | Pcsk4; Nec-3 Nec3; | NP_598243.1;XP_006240905.1; | 678 | rat |
| P41413 | Proprotein convertase subtilisin/kexin type 5; EC 3.4.21.-; Proprotein convertase 5; PC5; Proprotein convertase 6; PC6; Subtilisin/kexin-like protease PC5; rPC5; | Pcsk5; | NP_446275.1; | 1809 | rat |
| Q63415 | Proprotein convertase subtilisin/kexin type 6; EC 3.4.21.-; Paired basic amino acid cleaving enzyme 4; Subtilisin-like proprotein convertase 4; SPC4; Subtilisin/kexin-like protease PACE4; | Pcsk6; Pace4; | NP_037131.1; | 937 | rat |
