| Potassium voltage-gated channel subfamily H member 8 (ELK1) (hElk1) (Ether-a-go-go-like potassium channel 3) (ELK channel 3) (ELK3) (Voltage-gated potassium channel subunit Kv12.1) | KCNH8 | Q96L42 | 4 |
| PRA1 family protein | 0 | B3KQB4 | 4 |
| PRA1 family protein (Fragment) | RABAC1 | M0QXH1 | 4 |
| Pre-mRNA cleavage complex 2 protein Pcf11 (Pre-mRNA cleavage complex II protein Pcf11) | PCF11 KIAA0824 | O94913 | 4 |
| Pre-mRNA-splicing factor 18 (PRP18 homolog) (hPRP18) | PRPF18 HPRP18 | Q99633 | 4 |
| Pre-mRNA-splicing factor SLU7 (hSlu7) | SLU7 | O95391 | 4 |
| Pregnancy-specific beta-1-glycoprotein 9 (PS-beta-G-9) (PSBG-9) (Pregnancy-specific glycoprotein 9) (PS34) (Pregnancy-specific beta-1 glycoprotein B) (PS-beta-B) (Pregnancy-specific beta-1-glycoprotein 11) (PS-beta-G-11) (PSBG-11) (Pregnancy-specific glycoprotein 11) (Pregnancy-specific glycoprotein 7) (PSG7) | PSG9 PSG11 | Q00887 | 4 |
| Presenilin (EC 3.4.23.-) (Fragment) | 0 | Q53FV8 | 4 |
| Probable ATP-dependent RNA helicase DDX17 (EC 3.6.4.13) (DEAD box protein 17) (DEAD box protein p72) (DEAD box protein p82) (RNA-dependent helicase p72) | DDX17 | H3BLZ8 | 4 |
| Probable ATP-dependent RNA helicase DDX52 (EC 3.6.4.13) (ATP-dependent RNA helicase ROK1-like) (DEAD box protein 52) | DDX52 ROK1 HUSSY-19 | Q9Y2R4 | 4 |
| Probable ATP-dependent RNA helicase DHX34 (EC 3.6.4.13) (DEAH box protein 34) | DHX34 DDX34 KIAA0134 | Q14147 | 4 |
| Probable ATP-dependent RNA helicase DHX37 (EC 3.6.4.13) (DEAH box protein 37) | DHX37 DDX37 KIAA1517 | Q8IY37 | 4 |
| Probable E3 ubiquitin-protein ligase DTX2 (EC 2.3.2.27) (Protein deltex-2) (Deltex2) (hDTX2) (RING finger protein 58) (RING-type E3 ubiquitin transferase DTX2) | DTX2 KIAA1528 RNF58 | Q86UW9 | 4 |
| Probable G-protein coupled receptor 179 (Probable G-protein coupled receptor 158-like 1) (GPR158-like) | GPR179 GPR158L GPR158L1 | Q6PRD1 | 4 |
| Probable ribosome biogenesis protein RLP24 (Ribosomal L24 domain-containing protein 1) (Ribosomal protein L24-like) | RSL24D1 C15orf15 RPL24L My024 | Q9UHA3 | 4 |
| Probable tRNA pseudouridine synthase 1 (EC 5.4.99.-) | TRUB1 PUS4 | Q8WWH5 | 4 |
| Procollagen-lysine,2-oxoglutarate 5-dioxygenase 3 (Fragment) | PLOD3 | H7C2V1 | 4 |
| Profilin (Fragment) | PFN2 hCG_21343 | D3DNI3 | 4 |
| Programmed cell death protein 4 (Neoplastic transformation inhibitor protein) (Nuclear antigen H731-like) (Protein 197/15a) | PDCD4 H731 | B5ME91 | 4 |
| Proline-rich protein PRCC (Papillary renal cell carcinoma translocation-associated gene protein) | PRCC TPRC | Q92733 | 4 |
| Prolyl 3-hydroxylase 2 (EC 1.14.11.7) (Leprecan-like protein 1) (Myxoid liposarcoma-associated protein 4) | P3H2 LEPREL1 MLAT4 | Q8IVL5 | 4 |
| Prosaposin receptor GPR37 (Endothelin B receptor-like protein 1) (ETBR-LP-1) (G-protein coupled receptor 37) (Parkin-associated endothelin receptor-like receptor) (PAELR) | GPR37 | O15354 | 4 |
| Prostate-associated microseminoprotein (PC3-secreted microprotein) | MSMP PSMP | Q1L6U9 | 4 |
| Proteasome endopeptidase complex (EC 3.4.25.1) | PSMA2 | C9JCK5 | 4 |
| Proteasome inhibitor PI31 subunit (Fragment) | PSMF1 | Q5QPM9 | 4 |
| Proteasome subunit alpha type (EC 3.4.25.1) | 0 | B4E0X6 | 4 |
| Proteasome subunit alpha type (EC 3.4.25.1) (Fragment) | 0 | Q53GF5 | 4 |
| Proteasome subunit alpha type (EC 3.4.25.1) (Fragment) | PSMA4 | H0YL69 | 4 |
| Proteasome subunit alpha type-4 | PSMA4 | H0YMV3 | 4 |
| Proteasome subunit beta type (EC 3.4.25.1) | PSMB10 | Q6IB22 | 4 |
| Proteasome subunit beta type-5 (Fragment) | PSMB5 | H0YJM8 | 4 |
| Protein ABHD14B (cDNA FLJ52723, highly similar to Abhydrolase domain-containing protein 14B) | ABHD14B | B4DQI4 | 4 |
| Protein AF1q | MLLT11 AF1Q | Q13015 | 4 |
| Protein arginine N-methyltransferase 5 (EC 2.1.1.-) | 0 | B4DV00 | 4 |
| Protein argonaute-3 (Argonaute3) (hAgo3) (Argonaute RISC catalytic component 3) (Eukaryotic translation initiation factor 2C 3) (eIF-2C 3) (eIF2C 3) | AGO3 EIF2C3 | Q9H9G7 | 4 |
| Protein ARPC4-TTLL3 | ARPC4-TTLL3 | A0A0A6YYG9 | 4 |
| Protein BHLHb9 (bHLHb9) (Transcription regulator of 60 kDa) (p60TRP) | BHLHB9 KIAA1701 | Q6PI77 | 4 |
| Protein CASC3 (Cancer susceptibility candidate gene 3 protein) (Metastatic lymph node gene 51 protein) (MLN 51) (Protein barentsz) (Btz) | CASC3 MLN51 | O15234 | 4 |
| Protein CLEC16A (C-type lectin domain family 16 member A) | CLEC16A KIAA0350 | Q2KHT3 | 4 |
| Protein ECT2 (Epithelial cell-transforming sequence 2 oncogene) | ECT2 | Q9H8V3 | 4 |
| Protein eyes shut homolog (Epidermal growth factor-like protein 10) (EGF-like protein 10) (Epidermal growth factor-like protein 11) (EGF-like protein 11) (Protein spacemaker homolog) | EYS C6orf178 C6orf179 C6orf180 EGFL10 EGFL11 SPAM UNQ9424/PRO34591 | Q5T1H1 | 4 |
| Protein FAM111A | FAM111A KIAA1895 | Q96PZ2 | 4 |
| Protein FAM111B (Cancer-associated nucleoprotein) | FAM111B CANP | Q6SJ93 | 4 |
| Protein FAM160A1 | FAM160A1 | Q05DH4 | 4 |
| Protein FAM200A | FAM200A C7orf38 | Q8TCP9 | 4 |
| Protein FAM3B (Cytokine-like protein 2-21) (Pancreatic-derived factor) (PANDER) | FAM3B C21orf11 C21orf76 PRED44 UNQ320/PRO365 | P58499 | 4 |
| Protein FAM65B | FAM65B C6orf32 DIFF48 KIAA0386 PL48 | Q9Y4F9 | 4 |
| Protein kinase C (EC 2.7.11.13) (Fragment) | PRKCI | B5BUK7 | 4 |
| Protein kinase C and casein kinase substrate in neurons protein 3 (Fragment) | PACSIN3 | A0A0C4DGG1 | 4 |
| Protein kinase C theta type (EC 2.7.11.13) (nPKC-theta) | PRKCQ PRKCT | Q04759 | 4 |
| Protein MRVI1 (Inositol 1,4,5-trisphosphate receptor-associated cGMP kinase substrate) (JAW1-related protein MRVI1) | MRVI1 IRAG JAW1L | Q9Y6F6 | 4 |
| Protein odr-4 homolog (hODR-4) (LAG1-interacting protein) (Transactivated by transforming growth factor beta protein 1) | ODR4 C1orf27 TTG1 TTG1A | Q5SWX8 | 4 |
| Protein patched homolog 1 (PTC) (PTC1) | PTCH1 PTCH | Q13635 | 4 |
| Protein phosphatase 1 regulatory subunit 11 (Hemochromatosis candidate gene V protein) (HCG V) (Protein phosphatase inhibitor 3) | PPP1R11 HCGV TCTE5 | O60927 | 4 |
| Protein phosphatase 1 regulatory subunit 12B (Myosin phosphatase-targeting subunit 2) (Myosin phosphatase target subunit 2) | PPP1R12B MYPT2 | O60237 | 4 |
| Protein phosphatase 1 regulatory subunit 14A (17 kDa PKC-potentiated inhibitory protein of PP1) (Protein kinase C-potentiated inhibitor protein of 17 kDa) (CPI-17) | PPP1R14A CPI17 PPP1INL | Q96A00 | 4 |
| Protein phosphatase 1 regulatory subunit 37 (Leucine-rich repeat-containing protein 68) | PPP1R37 KIAA1986 LRRC68 | O75864 | 4 |
| Protein phosphatase Slingshot homolog 2 (EC 3.1.3.16) (EC 3.1.3.48) (SSH-like protein 2) (SSH-2L) (hSSH-2L) | SSH2 KIAA1725 SSH2L | Q76I76 | 4 |
| Protein PRRC2B (HLA-B-associated transcript 2-like 1) (Proline-rich coiled-coil protein 2B) | PRRC2B BAT2L BAT2L1 KIAA0515 | Q5JSZ5 | 4 |
| Protein RTF2 homolog (Replication termination factor 2 domain-containing protein 1) | RTFDC1 C20orf43 AD-007 CDA05 HSPC164 HSPC169 | Q9BY42 | 4 |
| Protein S (Alpha), isoform CRA_b (Vitamin K-dependent protein S) | PROS1 hCG_1790803 | G5E9F8 | 4 |
| Protein S100 (S100 calcium-binding protein) | 0 | B2R577 | 4 |
| Protein SCAF8 (CDC5L complex-associated protein 7) (RNA-binding motif protein 16) (SR-related and CTD-associated factor 8) | SCAF8 CCAP7 KIAA1116 RBM16 | Q9UPN6 | 4 |
| Protein SETSIP (SET pseudogene protein 18) (SET similar protein) (Similar to SET translocation protein) | SETSIP SETP18 | P0DME0 | 4 |
| Protein sprouty homolog 1 (Spry-1) | SPRY1 | O43609 | 4 |
| Protein SZT2 (Seizure threshold 2 protein homolog) | SZT2 C1orf84 KIAA0467 | Q5T011 | 4 |
| Protein unc-119 homolog A (Retinal protein 4) (hRG4) | UNC119 RG4 | Q13432 | 4 |
| Protein unc-13 homolog A (Munc13-1) | UNC13A KIAA1032 | Q9UPW8 | 4 |
| Protein unc-13 homolog C (Munc13-3) | UNC13C | Q8NB66 | 4 |
| Protein unc-45 homolog B (Unc-45B) (SMUNC45) | UNC45B CMYA4 UNC45 | Q8IWX7 | 4 |
| Protein-glutamine gamma-glutamyltransferase 2 (Fragment) | TGM2 | A2A299 | 4 |
| Protein-tyrosine sulfotransferase 1 (EC 2.8.2.20) (Tyrosylprotein sulfotransferase 1) (TPST-1) | TPST1 | O60507 | 4 |
| Proteinase-activated receptor 2 (PAR-2) (Coagulation factor II receptor-like 1) (G-protein coupled receptor 11) (Thrombin receptor-like 1) [Cleaved into: Proteinase-activated receptor 2, alternate cleaved 1; Proteinase-activated receptor 2, alternate cleaved 2] | F2RL1 GPR11 PAR2 | P55085 | 4 |
| Prothymosin alpha | PTMA | B8ZZQ6 | 4 |
| Protocadherin alpha-3 (PCDH-alpha-3) | PCDHA3 | Q9Y5H8 | 4 |
| Protocadherin alpha-6 (PCDH-alpha-6) | PCDHA6 CNRS2 | Q9UN73 | 4 |
| Protocadherin beta-5 (PCDH-beta-5) | PCDHB5 | Q9Y5E4 | 4 |
| Protocadherin beta-8 (PCDH-beta-8) (Protocadherin-3I) | PCDHB8 PCDH3I | Q9UN66 | 4 |
| Protocadherin gamma-B7 (PCDH-gamma-B7) | PCDHGB7 | Q9Y5F8 | 4 |
| Protocadherin-17 (Protocadherin-68) | PCDH17 PCDH68 PCH68 | O14917 | 4 |
| Protocadherin-23 (Cadherin-27) (Cadherin-like protein CDHJ) (Cadherin-like protein VR8) (Protein dachsous homolog 2) (Protocadherin PCDHJ) | DCHS2 CDH27 CDHJ PCDH23 PCDHJ | Q6V1P9 | 4 |
| Protogenin (Protein Shen-Dan) | PRTG | Q2VWP7 | 4 |
| Proton myo-inositol cotransporter (H(+)-myo-inositol cotransporter) (Hmit) (H(+)-myo-inositol symporter) (Solute carrier family 2 member 13) | SLC2A13 | Q96QE2 | 4 |
| PRSS1 protein | PRSS1 | Q3SY19 | 4 |
| Purine nucleoside phosphorylase (EC 2.4.2.1) (Inosine-guanosine phosphorylase) | 0 | Q8N7G1 | 4 |
| Putative ATP-dependent RNA helicase DHX33 (EC 3.6.4.13) (DEAH box protein 33) | DHX33 DDX33 | Q9H6R0 | 4 |
| Putative gamma-glutamyltransferase light chain 3 | GGTLC3 | B5MD39 | 4 |
| Putative high mobility group protein B1-like 1 (High mobility group protein B1 pseudogene 1) (Putative high mobility group protein 1-like 1) (HMG-1L1) | HMGB1P1 HMG1L1 HMGB1L1 | B2RPK0 | 4 |
| Putative N-acetylated-alpha-linked acidic dipeptidase (NAALADase) (EC 3.4.-.-) (Cell growth-inhibiting gene 26 protein) (Prostate-specific membrane antigen-like protein) (Putative folate hydrolase 1B) | FOLH1B PSMAL GIG26 | Q9HBA9 | 4 |
| Putative pre-mRNA-splicing factor ATP-dependent RNA helicase DHX32 (EC 3.6.4.13) (DEAD/H box 32) (DEAD/H helicase-like protein 1) (DHLP1) (DEAH box protein 32) (HuDDX32) | DHX32 DDX32 | Q7L7V1 | 4 |
| Putative protein arginine N-methyltransferase 9 (Putative protein arginine N-methyltransferase 10) (EC 2.1.1.-) | PRMT9 PRMT10 | Q6P2P2 | 4 |
| Putative protein FAM45B | FAM45BP FAM45 HT011 | Q6NSW5 | 4 |
| Putative transferase CAF17, mitochondrial (EC 2.1.-.-) (Iron-sulfur cluster assembly factor homolog) | IBA57 C1orf69 | Q5T440 | 4 |
| Putative tRNA (cytidine(32)/guanosine(34)-2'-O)-methyltransferase (EC 2.1.1.205) (2'-O-ribose RNA methyltransferase TRM7 homolog) (Protein ftsJ homolog 1) | FTSJ1 JM23 | Q9UET6 | 4 |
| Putative tRNA pseudouridine synthase Pus10 (EC 5.4.99.25) (Coiled-coil domain-containing protein 139) (tRNA pseudouridine 55 synthase) (Psi55 synthase) (tRNA pseudouridylate synthase) (tRNA-uridine isomerase) | PUS10 CCDC139 DOBI | Q3MIT2 | 4 |
| Putative uncharacterized protein CUL3 (Fragment) | CUL3 | Q53S54 | 4 |
| Putative uncharacterized protein DKFZp434N1827 (Fragment) | DKFZp434N1827 | Q9UFA5 | 4 |
| Putative uncharacterized protein DKFZp666B131 (Fragment) | DKFZp666B131 | Q658Z1 | 4 |
| Putative uncharacterized protein DKFZp686B04128 | DKFZp686B04128 | Q68D08 | 4 |
| Putative uncharacterized protein DKFZp686C02218 (Fragment) | DKFZp686C02218 | Q7Z374 | 4 |