| Protein-glutamine gamma-glutamyltransferase E (EC 2.3.2.13) (Transglutaminase E) (TG(E)) (TGE) (TGase E) (Transglutaminase-3) (TGase-3) [Cleaved into: Protein-glutamine gamma-glutamyltransferase E 50 kDa catalytic chain; Protein-glutamine gamma-glutamyltransferase E 27 kDa non-catalytic chain] | Tgm3 Tgase3 | Q08189 | 4 |
| Protocadherin 7 (Protocadherin 7, isoform CRA_c) | Pcdh7 mCG_9825 | E9Q2S0 | 4 |
| Putative uncharacterized protein (Regulatory-associated protein of mTOR) | Rptor 4932417H02Rik mCG_15044 | A2ACM0 | 4 |
| Putative uncharacterized protein (Signal transducing adapter molecule 1) | Stam | Q3UGN9 | 4 |
| Putative uncharacterized protein (Sorting nexin 1) (Sorting nexin-1) | Snx1 | Q6NZD2 | 4 |
| Putative uncharacterized protein (Sorting nexin 12, isoform CRA_c) (Sorting nexin-12) | Snx12 mCG_2194 | Q6ZWQ5 | 4 |
| Putative uncharacterized protein (Sorting nexin-12) | Snx12 | Q3V2H3 | 4 |
| Putative uncharacterized protein (Splicing factor 3b, subunit 2) | Sf3b2 mCG_19856 | Q3UJB0 | 4 |
| Putative uncharacterized protein (Testin) (Testis derived transcript, isoform CRA_b) | Tes mCG_11251 | Q3ULB1 | 4 |
| Putative uncharacterized protein (Tissue factor pathway inhibitor) | Tfpi | Q8BSB7 | 4 |
| Putative uncharacterized protein (Transferrin receptor protein 1) (Transferrin receptor, isoform CRA_c) | Tfrc mCG_129940 | Q8C872 | 4 |
| Putative uncharacterized protein (Tumor protein D52-like 2, isoform CRA_c) (Tumor protein D54) | Tpd52l2 mCG_23059 | Q3TAI4 | 4 |
| Putative uncharacterized protein (Voltage-gated potassium channel subunit beta-2) | Kcnab2 | Q3UPV6 | 4 |
| Putative uncharacterized protein (X-prolyl aminopeptidase (Aminopeptidase P) 1, soluble, isoform CRA_b) (Xaa-Pro aminopeptidase 1) | Xpnpep1 mCG_20868 | Q3UE92 | 4 |
| Pyruvate kinase (EC 2.7.1.40) | Pklr mCG_17567 | G3X925 | 4 |
| Rab3 GTPase-activating protein non-catalytic subunit (Rab3 GTPase-activating protein 150 kDa subunit) (Rab3-GAP p150) (Rab3-GAP150) (Rab3-GAP regulatory subunit) | Rab3gap2 Kiaa0839 | Q8BMG7 | 4 |
| Rab5 GDP/GTP exchange factor (Rabex-5) | Rabgef1 Rabex5 | Q9JM13 | 4 |
| RAB9, member RAS oncogene family (Fragment) | Rab9 | A2AFP5 | 4 |
| Ragulator complex protein LAMTOR3 (Late endosomal/lysosomal adaptor and MAPK and MTOR activator 3) (MEK-binding partner 1) (Mp1) (Mitogen-activated protein kinase kinase 1-interacting protein 1) (Mitogen-activated protein kinase scaffold protein 1) | Lamtor3 Map2k1ip1 Mapbp Mapksp1 | O88653 | 4 |
| RalBP1-associated Eps domain-containing protein 1 (RalBP1-interacting protein 1) | Reps1 | O54916 | 4 |
| Rapamycin-insensitive companion of mTOR (AVO3 homolog) (mAVO3) (Protein pianissimo) | Rictor Kiaa1999 | Q6QI06 | 4 |
| RAS protein activator like-3 | Rasal3 | Q8C2K5 | 4 |
| Ras suppressor protein 1 (Ras suppressor protein 1, isoform CRA_a) | Rsu1 mCG_15700 | A2AUR7 | 4 |
| Ras-related protein Rab-15 | Rab15 | Q8K386 | 4 |
| Ras-related protein Rab-15 | Rab15 | Q3TYH2 | 4 |
| Ras-related protein Rab-27B | Rab27b | Q99P58 | 4 |
| Receptor expression-enhancing protein 5 (GP106) (Polyposis locus protein 1 homolog) (Protein TB2 homolog) | Reep5 Dp1 | Q60870 | 4 |
| Receptor protein serine/threonine kinase (EC 2.7.11.30) | Tgfbr1 | Q9D5H8 | 4 |
| Receptor tyrosine-protein kinase erbB-2 (EC 2.7.10.1) (Proto-oncogene Neu) (Proto-oncogene c-ErbB-2) (p185erbB2) (CD antigen CD340) | Erbb2 Kiaa3023 Neu | P70424 | 4 |
| Receptor tyrosine-protein kinase erbB-3 (EC 2.7.10.1) (Glial growth factor receptor) (Proto-oncogene-like protein c-ErbB-3) | Erbb3 | Q61526 | 4 |
| Receptor-interacting serine/threonine-protein kinase 1 (EC 2.7.11.1) (Cell death protein RIP) (Receptor-interacting protein 1) (RIP-1) (Serine/threonine-protein kinase RIP) | Ripk1 Rinp Rip | Q60855 | 4 |
| Receptor-type tyrosine-protein phosphatase delta (Protein-tyrosine phosphatase delta) (R-PTP-delta) (EC 3.1.3.48) | Ptprd | Q64487 | 4 |
| Receptor-type tyrosine-protein phosphatase mu (Protein-tyrosine phosphatase mu) (R-PTP-mu) (EC 3.1.3.48) | Ptprm Kiaa4044 | P28828 | 4 |
| Regulator of G-protein signaling 19 (RGS19) | Rgs19 | Q9CX84 | 4 |
| Regulatory-associated protein of mTOR (Raptor) (p150 target of rapamycin (TOR)-scaffold protein) | Rptor Raptor | Q8K4Q0 | 4 |
| REST corepressor 1 (Protein CoREST) | Rcor1 D12Wsu95e Kiaa0071 | Q8CFE3 | 4 |
| Reticulon | Rtn4 | Q8BH78 | 4 |
| Retinoic acid-induced protein 3 (G-protein coupled receptor family C group 5 member A) (Retinoic acid-induced gene 1 protein) (RAIG-1) | Gprc5a Rai3 Raig1 | Q8BHL4 | 4 |
| Rho GTPase-activating protein 18 (Rho-type GTPase-activating protein 18) | Arhgap18 | Q8K0Q5 | 4 |
| Rho guanine nucleotide exchange factor 1 | Arhgef1 | E9PUF7 | 4 |
| Rho guanine nucleotide exchange factor 40 (Protein SOLO) | Arhgef40 Solo | Q3UPH7 | 4 |
| Rho guanine nucleotide exchange factor 7 (Fragment) | Arhgef7 | D3Z0V2 | 4 |
| Rho-associated protein kinase (EC 2.7.11.1) | Rock2 | F8VPK5 | 4 |
| Rho-related BTB domain-containing protein 3 (EC 3.6.1.-) | Rhobtb3 Kiaa0878 | Q9CTN4 | 4 |
| Rho-related GTP-binding protein RhoJ (Tc10-like GTP-binding protein) | Rhoj Arhj Rhoi Rhot Tc10l Tcl | Q9ER71 | 4 |
| Rho-related GTP-binding protein RhoU (Rho GTPase-like protein ARHU) (Wnt-1 responsive Cdc42 homolog 1) (WRCH-1) | Rhou Arhu G28k Wrch1 | Q9EQT3 | 4 |
| Rhotekin | Rtkn | Q8C6B2 | 4 |
| Ribonuclease T2-A (EC 3.1.27.-) (Ribonuclease 6-A) | Rnaset2a Rnase6pl | C0HKG5 | 4 |
| Ribonucleoprotein PTB-binding 1 (Protein raver-1) | Raver1 Kiaa1978 | Q9CW46 | 4 |
| Ribose-5-phosphate isomerase (EC 5.3.1.6) (Phosphoriboisomerase) | Rpia Rpi | P47968 | 4 |
| Ribosomal protein L19 | Rpl19 | A2A547 | 4 |
| Ribosomal protein S6 kinase beta-1 (S6K-beta-1) (S6K1) (EC 2.7.11.1) (70 kDa ribosomal protein S6 kinase 1) (P70S6K1) (p70-S6K 1) (Ribosomal protein S6 kinase I) (S6K) (p70 ribosomal S6 kinase alpha) (p70 S6 kinase alpha) (p70 S6K-alpha) (p70 S6KA) | Rps6kb1 | Q8BSK8 | 4 |
| Ribosomal RNA small subunit methyltransferase NEP1 (EC 2.1.1.-) (18S rRNA (pseudouridine(1248)-N1)-methyltransferase) (18S rRNA Psi1248 methyltransferase) (Nucleolar protein EMG1 homolog) (Protein C2f) (Ribosome biogenesis protein NEP1) | Emg1 C2f Grcc2f | O35130 | 4 |
| Ribosome biogenesis protein BOP1 (Block of proliferation 1 protein) | Bop1 Kiaa0124 | P97452 | 4 |
| RIKEN cDNA 4930544G11 (RIKEN cDNA 4930544G11 gene) | 4930544G11Rik mCG_125315 | Q9CR99 | 4 |
| RNA 3'-terminal phosphate cyclase-like protein | Rcl1 Rnac | Q9JJT0 | 4 |
| RNA binding motif protein, X-linked-like-1 (Heterogeneous nuclear ribonucleoprotein G-like 1) (RNA binding motif protein, X chromosome retrogene) [Cleaved into: RNA binding motif protein, X-linked-like-1, N-terminally processed] | Rbmxl1 Rbmxrt | Q91VM5 | 4 |
| RNA polymerase II-associated protein 3 | Rpap3 D15Ertd682e | Q9D706 | 4 |
| RNA-binding protein EWS | Ewsr1 | Q5SUT0 | 4 |
| RNA-binding protein FUS (Fragment) | Fus | G3UXT7 | 4 |
| RUN and FYVE domain-containing protein 1 (Rab4-interacting protein) | Rufy1 Rabip4 | Q8BIJ7 | 4 |
| S1 RNA-binding domain-containing protein 1 | Srbd1 | Q497V5 | 4 |
| SEC23-interacting protein (Sec23 interacting protein, isoform CRA_c) | Sec23ip mCG_21024 | G3X928 | 4 |
| Sec24 related gene family, member B (S. cerevisiae) (Sec24-related gene family, member B (S. cerevisiae)) | Sec24b | Q80ZX0 | 4 |
| Secretory carrier-associated membrane protein (Secretory carrier membrane protein) | Scamp3 | Q3UXS0 | 4 |
| Secretory carrier-associated membrane protein 5 (Secretory carrier membrane protein 5) | Scamp5 | Q9JKD3 | 4 |
| Selenoprotein F (15 kDa selenoprotein) | Selenof Sep15 | Q9ERR7 | 4 |
| Selenoprotein P (SeP) (Plasma selenoprotein P) | Selenop Selp Sepp1 | P70274 | 4 |
| Sentrin-specific protease 3 (EC 3.4.22.68) (SUMO-1-specific protease 3) (Sentrin/SUMO-specific protease SENP3) (Smt3-specific isopeptidase 1) (Smt3ip1) | Senp3 Smt3ip Smt3ip1 | Q9EP97 | 4 |
| Septin-10 | Sept10 | Q8C650 | 4 |
| Septin-7 | Sept7 | E9Q9F5 | 4 |
| Septin-9 | Sept9 | A2A6U3 | 4 |
| Serine (or cysteine) peptidase inhibitor, clade B, member 6a | Serpinb6a | F8WIV2 | 4 |
| Serine hydroxymethyltransferase, cytosolic (Fragment) | Shmt1 | G3UZ26 | 4 |
| Serine protease inhibitor A3F (Serpin A3F) | Serpina3f | Q80X76 | 4 |
| Serine/arginine repetitive matrix protein 2 | Srrm2 Kiaa0324 | Q8BTI8 | 4 |
| Serine/arginine-rich splicing factor 9 (Splicing factor, arginine/serine-rich 9) | Srsf9 Sfrs9 | Q9D0B0 | 4 |
| Serine/threonine-protein kinase B-raf (EC 2.7.11.1) (Proto-oncogene B-Raf) | Braf B-raf | P28028 | 4 |
| Serine/threonine-protein kinase LATS1 (EC 2.7.11.1) (Large tumor suppressor homolog 1) (WARTS protein kinase) | Lats1 Warts | Q8BYR2 | 4 |
| Serine/threonine-protein kinase Nek9 (EC 2.7.11.1) (Nercc1 kinase) (Never in mitosis A-related kinase 9) (NimA-related protein kinase 9) | Nek9 Nercc | Q8K1R7 | 4 |
| Serine/threonine-protein kinase PAK 1 (p21 (CDKN1A)-activated kinase 1, isoform CRA_b) | Pak1 mCG_7049 | G5E884 | 4 |
| Serine/threonine-protein kinase receptor R3 (SKR3) (EC 2.7.11.30) (Activin receptor-like kinase 1) (ALK-1) (TGF-B superfamily receptor type I) (TSR-I) | Acvrl1 Acvrlk1 Alk-1 | Q61288 | 4 |
| Serine/threonine-protein kinase RIO1 (EC 2.7.11.1) (EC 3.6.3.-) (RIO kinase 1) | Riok1 | Q922Q2 | 4 |
| Serine/threonine-protein kinase RIO2 (EC 2.7.11.1) (RIO kinase 2) | Riok2 | Q9CQS5 | 4 |
| Serine/threonine-protein kinase SMG1 (SMG-1) (EC 2.7.11.1) | Smg1 Kiaa0421 | Q8BKX6 | 4 |
| Serine/threonine-protein kinase TAO2 (EC 2.7.11.1) (Thousand and one amino acid protein 2) | Taok2 Kiaa0881 | Q6ZQ29 | 4 |
| Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B delta isoform (PP2A subunit B isoform B55-delta) (PP2A subunit B isoform PR55-delta) (PP2A subunit B isoform R2-delta) (PP2A subunit B isoform delta) | Ppp2r2d D7Ertd753e Kiaa1541 | Q925E7 | 4 |
| Serine/threonine-protein phosphatase 4 regulatory subunit 1 | Ppp4r1 | Q8K2V1 | 4 |
| Serum amyloid A-1 protein | Saa1 | P05366 | 4 |
| Serum amyloid A-4 protein (Amyloid A-5 protein) | Saa4 Saa5 | P31532 | 4 |
| SH3 domain-binding protein 1 | Sh3bp1 | A2A5V4 | 4 |
| Sideroflexin-3 | Sfxn3 | Q91V61 | 4 |
| Signal peptidase complex catalytic subunit SEC11A (EC 3.4.21.89) (Endopeptidase SP18) (Microsomal signal peptidase 18 kDa subunit) (SPase 18 kDa subunit) (SEC11 homolog A) (SEC11-like protein 1) (SPC18) (Sid 2895) | Sec11a Sec11l1 Sid2895 Spc18 | Q9R0P6 | 4 |
| Signal peptide peptidase-like 2B (SPP-like 2B) (SPPL2b) (EC 3.4.23.-) | Sppl2b | Q3TD49 | 4 |
| Signal recognition particle 54 kDa protein | Srp54b SRP54 | E9PXC0 | 4 |
| Signal recognition particle 72 | Srp72 | E9Q740 | 4 |
| Signal-induced proliferation-associated 1-like protein 1 (SIPA1-like protein 1) | Sipa1l1 Kiaa0440 | Q8C0T5 | 4 |
| Single-stranded DNA-binding protein | Ssbp1 mCG_15097 | Q8R2K3 | 4 |
| Slit homolog 2 protein (Slit-2) [Cleaved into: Slit homolog 2 protein N-product; Slit homolog 2 protein C-product] | Slit2 | Q9R1B9 | 4 |
| SLIT-ROBO Rho GTPase-activating protein 1 (srGAP1) (Rho GTPase-activating protein 13) | Srgap1 Arhgap13 | Q91Z69 | 4 |