| Postacrosomal sheath WW domain-binding protein | WBP2NL | F5H7L2 | 1 |
| Postacrosomal sheath WW domain-binding protein | WBP2NL | F8WCF8 | 1 |
| Potassium channel subfamily K member 5 (Acid-sensitive potassium channel protein TASK-2) (TWIK-related acid-sensitive K(+) channel 2) | KCNK5 TASK2 | O95279 | 1 |
| Potassium channel subfamily T member 1 (Fragment) | KCNT1 | C9JBV2 | 1 |
| Potassium channel subfamily T member 1 (KCa4.1) | KCNT1 KIAA1422 | B3KXF7 | 1 |
| Potassium channel subfamily T member 1 (KCa4.1) | KCNT1 KIAA1422 | B9EGP2 | 1 |
| Potassium voltage-gated channel subfamily A member 5 (HPCN1) (Voltage-gated potassium channel HK2) (Voltage-gated potassium channel subunit Kv1.5) | KCNA5 | P22460 | 1 |
| Potassium voltage-gated channel subfamily B member 1 (Delayed rectifier potassium channel 1) (DRK1) (h-DRK1) (Voltage-gated potassium channel subunit Kv2.1) | KCNB1 | Q14721 | 1 |
| Potassium voltage-gated channel subfamily B member 2 (Voltage-gated potassium channel subunit Kv2.2) | KCNB2 | Q92953 | 1 |
| Potassium voltage-gated channel subfamily C member 1 (NGK2) (Voltage-gated potassium channel subunit Kv3.1) (Voltage-gated potassium channel subunit Kv4) | KCNC1 | P48547 | 1 |
| Potassium voltage-gated channel subfamily C member 3 | KCNC3 | E9PQY4 | 1 |
| Potassium voltage-gated channel subfamily C member 3 (KSHIIID) (Voltage-gated potassium channel subunit Kv3.3) | KCNC3 | Q14003 | 1 |
| Potassium voltage-gated channel subfamily D member 2 (Voltage-gated potassium channel subunit Kv4.2) | KCND2 KIAA1044 | Q9NZV8 | 1 |
| Potassium voltage-gated channel subfamily D member 3 (Voltage-gated potassium channel subunit Kv4.3) | KCND3 | Q9UK17 | 1 |
| Potassium voltage-gated channel subfamily E member 1 (Delayed rectifier potassium channel subunit IsK) (IKs producing slow voltage-gated potassium channel subunit beta Mink) (Minimal potassium channel) | KCNE1 | P15382 | 1 |
| Potassium voltage-gated channel subfamily E member 3 (MinK-related peptide 2) (Minimum potassium ion channel-related peptide 2) (Potassium channel subunit beta MiRP2) | KCNE3 | Q9Y6H6 | 1 |
| Potassium voltage-gated channel subfamily F member 1 (Voltage-gated potassium channel subunit Kv5.1) (kH1) | KCNF1 | Q9H3M0 | 1 |
| Potassium voltage-gated channel subfamily H member 1 (Ether-a-go-go potassium channel 1) (EAG channel 1) (h-eag) (hEAG1) (Voltage-gated potassium channel subunit Kv10.1) | KCNH1 EAG EAG1 | O95259 | 1 |
| Potassium voltage-gated channel subfamily H member 6 (Ether-a-go-go-related gene potassium channel 2) (ERG-2) (Eag-related protein 2) (Ether-a-go-go-related protein 2) (hERG-2) (hERG2) (Voltage-gated potassium channel subunit Kv11.2) | KCNH6 ERG2 | Q9H252 | 1 |
| Potassium voltage-gated channel subfamily KQT member 1 (IKs producing slow voltage-gated potassium channel subunit alpha KvLQT1) (KQT-like 1) (Voltage-gated potassium channel subunit Kv7.1) | KCNQ1 KCNA8 KCNA9 KVLQT1 | P51787 | 1 |
| Potassium voltage-gated channel subfamily KQT member 5 (KQT-like 5) (Potassium channel subunit alpha KvLQT5) (Voltage-gated potassium channel subunit Kv7.5) | KCNQ5 | A6PVT6 | 1 |
| Potassium voltage-gated channel subfamily S member 3 (Delayed-rectifier K(+) channel alpha subunit 3) (Voltage-gated potassium channel subunit Kv9.3) | KCNS3 | Q9BQ31 | 1 |
| Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 3 | HCN3 KIAA1535 | Q9P1Z3 | 1 |
| Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 | HCN4 | Q9Y3Q4 | 1 |
| POTE ankyrin domain family member A (ANKRD26-like family A member 1) (Prostate, ovary, testis-expressed protein on chromosome 8) (POTE-8) | POTEA A26A1 POTE8 | Q6S8J7 | 1 |
| POTE ankyrin domain family member B (ANKRD26-like family B member 1) (Prostate, ovary, testis-expressed protein on chromosome 15) (POTE-15) | POTEB A26B1 POTE15 | Q6S5H4 | 1 |
| POTE ankyrin domain family member B (POTE ankyrin domain family member B2) (POTEB protein) | POTEB POTEB2 | Q495V5 | 1 |
| POTE ankyrin domain family member I | POTEI | A0A087X092 | 1 |
| POU domain, class 2, transcription factor 2 (Fragment) | POU2F2 | H0YNG1 | 1 |
| POU domain, class 3, transcription factor 1 (Octamer-binding protein 6) (Oct-6) (Octamer-binding transcription factor 6) (OTF-6) (POU domain transcription factor SCIP) | POU3F1 OCT6 OTF6 | Q03052 | 1 |
| POU domain, class 4, transcription factor 1 (Brain-specific homeobox/POU domain protein 3A) (Brain-3A) (Brn-3A) (Homeobox/POU domain protein RDC-1) (Oct-T1) | POU4F1 BRN3A RDC1 | Q01851 | 1 |
| POU domain, class 4, transcription factor 3 (Brain-specific homeobox/POU domain protein 3C) (Brain-3C) (Brn-3C) | POU4F3 BRN3C | Q15319 | 1 |
| POZ-, AT hook-, and zinc finger-containing protein 1 (BTB/POZ domain zinc finger transcription factor) (Protein kinase A RI subunit alpha-associated protein) (Zinc finger and BTB domain-containing protein 19) (Zinc finger protein 278) (Zinc finger sarcoma gene protein) | PATZ1 PATZ RIAZ ZBTB19 ZNF278 ZSG | Q9HBE1 | 1 |
| PP7302 | 0 | Q71RB0 | 1 |
| PPM1G protein | 0 | Q6PJK3 | 1 |
| PR domain zinc finger protein 1 (EC 2.1.1.-) (BLIMP-1) (Beta-interferon gene positive regulatory domain I-binding factor) (PR domain-containing protein 1) (Positive regulatory domain I-binding factor 1) (PRDI-BF1) (PRDI-binding factor 1) | PRDM1 BLIMP1 | O75626 | 1 |
| PR domain zinc finger protein 14 (EC 2.1.1.-) (PR domain-containing protein 14) | PRDM14 | Q9GZV8 | 1 |
| PR domain zinc finger protein 15 (EC 2.1.1.-) (PR domain-containing protein 15) (Zinc finger protein 298) | PRDM15 C21orf83 ZNF298 | P57071 | 1 |
| PRA1 family protein | ARL6IP5 | F8WF33 | 1 |
| PRA1 family protein | WDR45 | A6NM71 | 1 |
| PRA1 family protein | ARL6IP5 | F8WF90 | 1 |
| PRA1 family protein (Fragment) | RABAC1 | M0R1H9 | 1 |
| PRAME family member 18 | PRAMEF18 | Q5VWM3 | 1 |
| PRAME family member 2 | PRAMEF2 | O60811 | 1 |
| PRAME family member 20 | PRAMEF20 PRAMEF21 | Q5VT98 | 1 |
| PRAME family member 25 | PRAMEF25 | A6NGN4 | 1 |
| PRAME family member 7 | PRAMEF7 | Q5VXH5 | 1 |
| Pre-B-cell leukemia transcription factor 2 (Homeobox protein PBX2) (Protein G17) | PBX2 G17 | P40425 | 1 |
| Pre-B-cell leukemia transcription factor 3 (Homeobox protein PBX3) | PBX3 | P40426 | 1 |
| Pre-mRNA-processing factor 19 (Fragment) | PRPF19 | H0YGF3 | 1 |
| Pre-mRNA-processing factor 19 (Fragment) | PRPF19 | F5H2I0 | 1 |
| Pre-mRNA-processing factor 40 homolog B (Fragment) | PRPF40B | H0YII7 | 1 |
| Pre-mRNA-processing factor 40 homolog B (Huntingtin yeast partner C) (Huntingtin-interacting protein C) | PRPF40B HYPC | Q6NWY9 | 1 |
| Pre-mRNA-splicing factor CWC25 homolog (Coiled-coil domain-containing protein 49) (Spliceosome-associated protein homolog CWC25) | CWC25 CCDC49 | Q9NXE8 | 1 |
| Pre-mRNA-splicing regulator WTAP (Wilms tumor 1 associated protein, isoform CRA_f) | WTAP hCG_34028 | A0A087X1R4 | 1 |
| Predicted protein product of Nbla02942 | Nbla02942 | Q3LIE9 | 1 |
| Prefoldin subunit 2 (cDNA, FLJ96845, Homo sapiens prefoldin 2 (PFDN2), mRNA) | PFDN2 hCG_1995291 | B1AQP2 | 1 |
| Prefoldin subunit 5 | PFDN5 | H3BMQ1 | 1 |
| Pregnancy-specific beta-1-glycoprotein 3 | PSG3 | M0QX68 | 1 |
| Pregnancy-specific beta-1-glycoprotein 6 | PSG6 | B5MCE1 | 1 |
| Pregnancy-specific beta-1-glycoprotein 6 | PSG6 | M0QXW0 | 1 |
| Pregnancy-specific beta-1-glycoprotein 6 (PS-beta-G-6) (PSBG-6) (Pregnancy-specific glycoprotein 6) (Pregnancy-specific beta-1-glycoprotein 10) (PS-beta-G-10) (PSBG-10) (Pregnancy-specific glycoprotein 10) (Pregnancy-specific beta-1-glycoprotein 12) (PS-beta-G-12) (PSBG-12) (Pregnancy-specific glycoprotein 12) | PSG6 CGM3 PSG10 PSG12 PSGGB | Q00889 | 1 |
| Prelamin-A/C | LMNA | D6RB20 | 1 |
| PRELI domain containing protein 3A (Protein slowmo homolog 1) | PRELID3A C18orf43 SLMO1 | Q96N28 | 1 |
| PRELI domain-containing protein 1, mitochondrial (25 kDa protein of relevant evolutionary and lymphoid interest) (Px19-like protein) | PRELID1 PRELI CGI-106 SBBI12 | Q9Y255 | 1 |
| Prenylcysteine oxidase 1 (Fragment) | PCYOX1 | C9JGT6 | 1 |
| Prenylcysteine oxidase 1 (Fragment) | PCYOX1 | C9K055 | 1 |
| Prenylcysteine oxidase 1 (Fragment) | PCYOX1 | C9JM55 | 1 |
| Prenylcysteine oxidase-like | PCYOX1L | E7EVZ5 | 1 |
| Presenilin-1 (Fragment) | PSEN1 | G3V3Z0 | 1 |
| Presenilin-1 (Fragment) | PSEN1 | G3V4M0 | 1 |
| Presenilin-2 (PS-2) (EC 3.4.23.-) (AD3LP) (AD5) (E5-1) (STM-2) [Cleaved into: Presenilin-2 NTF subunit; Presenilin-2 CTF subunit] | PSEN2 AD4 PS2 PSNL2 STM2 | P49810 | 1 |
| Presenilins-associated rhomboid-like protein, mitochondrial (EC 3.4.21.105) (Mitochondrial intramembrane cleaving protease PARL) [Cleaved into: P-beta (Pbeta)] | PARL PSARL PRO2207 | Q9H300 | 1 |
| Presynaptic protein SAP97 variant (Fragment) | 0 | Q59FC4 | 1 |
| Prickle-like protein 2 | PRICKLE2 | Q7Z3G6 | 1 |
| PRKCA protein (Fragment) | PRKCA | Q7Z727 | 1 |
| PRKCSH protein (Fragment) | PRKCSH | A2VCQ4 | 1 |
| Pro-neuregulin-1, membrane-bound isoform (Fragment) | NRG1 | H0YBA3 | 1 |
| Pro-neuregulin-1, membrane-bound isoform (Fragment) | NRG1 | H0YCP0 | 1 |
| Pro-neuregulin-3, membrane-bound isoform | NRG3 | R4GNI6 | 1 |
| Pro-opiomelanocortin (Fragment) | POMC | E9PHK5 | 1 |
| PRO1084 | 0 | Q9P1K7 | 1 |
| PRO1821 | 0 | Q9H3B1 | 1 |
| PRO2474 | 0 | Q9H388 | 1 |
| PRO2769 | 0 | Q9P1C5 | 1 |
| Proactivator polypeptide-like 1 [Cleaved into: Saposin A-like; Saposin B-Val-like; Saposin B-like; Saposin C-like; Saposin D-like] | PSAPL1 | Q6NUJ1 | 1 |
| Probable 18S rRNA (guanine-N(7))-methyltransferase (cDNA FLJ33843 fis, clone CTONG2005110, moderately similar to methyltransferase WBSCR22 (EC 2.1.1.-)) | BUD23 | B3KR83 | 1 |
| Probable 28S rRNA (cytosine(4447)-C(5))-methyltransferase (Fragment) | NOP2 | F5GYR3 | 1 |
| Probable ATP-dependent DNA helicase HFM1 (EC 3.6.4.12) (SEC63 domain-containing protein 1) | HFM1 SEC3D1 | A2PYH4 | 1 |
| Probable ATP-dependent RNA helicase DDX41 (Fragment) | DDX41 | J3KNN5 | 1 |
| Probable ATP-dependent RNA helicase DDX46 | DDX46 | A0A0C4DG89 | 1 |
| Probable ATP-dependent RNA helicase DDX47 (EC 3.6.4.13) (DEAD box protein 47) | DDX47 | G5E955 | 1 |
| Probable ATP-dependent RNA helicase DDX5 (Fragment) | DDX5 | J3QLG9 | 1 |
| Probable ATP-dependent RNA helicase DDX5 (Fragment) | DDX5 | J3KRZ1 | 1 |
| Probable ATP-dependent RNA helicase DDX5 (Fragment) | DDX5 | J3QSF1 | 1 |
| Probable ATP-dependent RNA helicase DDX5 (Fragment) | DDX5 | J3QRQ7 | 1 |
| Probable ATP-dependent RNA helicase DDX53 (EC 3.6.4.13) (Cancer-associated gene protein) (Cancer/testis antigen 26) (CT26) (DEAD box protein 53) (DEAD box protein CAGE) | DDX53 CAGE | Q86TM3 | 1 |
| Probable ATP-dependent RNA helicase DDX60-like (EC 3.6.4.13) (DEAD box protein 60-like) | DDX60L | Q5H9U9 | 1 |
| Probable ATP-dependent RNA helicase DHX58 (Fragment) | DHX58 | K7EPP0 | 1 |
| Probable C-mannosyltransferase DPY19L1 (EC 2.4.1.-) (Dpy-19-like protein 1) (Protein dpy-19 homolog 1) | DPY19L1 GA0500 KIAA0877 | Q2PZI1 | 1 |