| RecQ-mediated genome instability protein 2 (hRMI2) (BLM-associated protein of 18 kDa) (BLAP18) | RMI2 C16orf75 | Q96E14 | 1 |
| Regenerating islet-derived protein 3-alpha (REG-3-alpha) (Hepatointestinal pancreatic protein) (HIP/PAP) (Human proislet peptide) (Pancreatitis-associated protein 1) (Regenerating islet-derived protein III-alpha) (Reg III-alpha) [Cleaved into: Regenerating islet-derived protein 3-alpha 16.5 kDa form; Regenerating islet-derived protein 3-alpha 15 kDa form] | REG3A HIP PAP PAP1 | Q06141 | 1 |
| Regenerating islet-derived protein 3-gamma (REG-3-gamma) (Pancreatitis-associated protein 1B) (PAP-1B) (Pancreatitis-associated protein IB) (PAP IB) (Regenerating islet-derived protein III-gamma) (REG III) (Reg III-gamma) [Cleaved into: Regenerating islet-derived protein 3-gamma 16.5 kDa form; Regenerating islet-derived protein 3-gamma 15 kDa form] | REG3G PAP1B UNQ429/PRO162 | Q6UW15 | 1 |
| Regulator of G-protein signaling 14 (RGS14) | RGS14 | O43566 | 1 |
| Regulator of G-protein signaling 22 (RGS22) | RGS22 | Q8NE09 | 1 |
| Regulator of G-protein signaling 4 (RGP4) (RGS4) | RGS4 | P49798 | 1 |
| Regulator of G-protein signaling 7 (RGS7) | RGS7 | P49802 | 1 |
| Regulator of G-protein signaling 8 (RGS8) | RGS8 | P57771 | 1 |
| Regulator of G-protein signalling 3, isoform CRA_i (Regulator of G-protein-signaling 3) | RGS3 hCG_29191 | H7BXY1 | 1 |
| Regulator of microtubule dynamics protein 1 (RMD-1) (hRMD-1) (Protein FAM82B) | RMDN1 FAM82B CGI-90 | Q96DB5 | 1 |
| RELT-like protein 1 | RELL1 PSEC0162 | Q8IUW5 | 1 |
| Replication protein A 30 kDa subunit (RP-A p30) (Replication factor A protein 4) (RF-A protein 4) | RPA4 | Q13156 | 1 |
| REST corepressor 1 (REST corepressor 1, isoform CRA_a) | RCOR1 hCG_24743 | J3KN32 | 1 |
| REST corepressor 2 | RCOR2 | Q8IZ40 | 1 |
| Ret finger protein-like 3 | RFPL3 | O75679 | 1 |
| Reticulon-4 receptor (Nogo receptor) (NgR) (Nogo-66 receptor) | RTN4R NOGOR UNQ330/PRO526 | Q9BZR6 | 1 |
| Reticulon-4-interacting protein 1, mitochondrial (NOGO-interacting mitochondrial protein) | RTN4IP1 NIMP | Q8WWV3 | 1 |
| Retinal cone rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gamma (GMP-PDE gamma) (EC 3.1.4.35) | PDE6H | Q13956 | 1 |
| Retinal guanylyl cyclase 1 (RETGC-1) (EC 4.6.1.2) (Guanylate cyclase 2D, retinal) (Rod outer segment membrane guanylate cyclase) (ROS-GC) | GUCY2D CORD6 GUC1A4 GUC2D RETGC RETGC1 | Q02846 | 1 |
| Retinitis pigmentosa 1-like 1 protein | RP1L1 | A6NKC6 | 1 |
| Retinoblastoma-like 2 (P130) | RBL2 | Q8NE70 | 1 |
| Retinoic acid early transcript 1G protein | RAET1G | Q6H3X3 | 1 |
| Retinoic acid nuclear receptor alpha variant 2 (Retinoic acid receptor, alpha, isoform CRA_b) | NR1B1 RARA hCG_2007196 | F1D8N9 | 1 |
| Retinoic acid receptor beta (RAR-beta) (HBV-activated protein) (Nuclear receptor subfamily 1 group B member 2) (RAR-epsilon) | RARB HAP NR1B2 | P10826 | 1 |
| Retinoic acid receptor responder protein 1 (RAR-responsive protein TIG1) (Tazarotene-induced gene 1 protein) | RARRES1 TIG1 | P49788 | 1 |
| Retinoic acid receptor responder protein 2 (RAR-responsive protein TIG2) (Tazarotene-induced gene 2 protein) | RARRES2 TIG2 | Q99969 | 1 |
| Retinol-binding protein 3 (Interphotoreceptor retinoid-binding protein) (IRBP) (Interstitial retinol-binding protein) | RBP3 | P10745 | 1 |
| Retrotransposon gag domain-containing protein 1 (Tumor antigen BJ-HCC-23) | RGAG1 KIAA1318 | Q8NET4 | 1 |
| Retroviral-like aspartic protease 1 (EC 3.4.23.-) (Skin-specific retroviral-like aspartic protease) (SASPase) (Skin aspartic protease) (TPA-inducible aspartic proteinase-like protein) (TAPS) | ASPRV1 SASP | Q53RT3 | 1 |
| RFWD2 protein (Fragment) | RFWD2 | Q05CT6 | 1 |
| Rho GTPase-activating protein 15 (ArhGAP15) (Rho-type GTPase-activating protein 15) | ARHGAP15 BM-024 BM-030 BM-046 | Q53QZ3 | 1 |
| Rho GTPase-activating protein 31 (Cdc42 GTPase-activating protein) | ARHGAP31 CDGAP KIAA1204 | Q2M1Z3 | 1 |
| Rho GTPase-activating protein 32 (Brain-specific Rho GTPase-activating protein) (GAB-associated Cdc42/Rac GTPase-activating protein) (GC-GAP) (GTPase regulator interacting with TrkA) (Rho-type GTPase-activating protein 32) (Rho/Cdc42/Rac GTPase-activating protein RICS) (RhoGAP involved in the beta-catenin-N-cadherin and NMDA receptor signaling) (p200RhoGAP) (p250GAP) | ARHGAP32 GRIT KIAA0712 RICS | A7KAX9 | 1 |
| Rho GTPase-activating protein 42 (Rho GTPase-activating protein 10-like) (Rho-type GTPase-activating protein 42) | ARHGAP42 | A6NI28 | 1 |
| Rho guanine nucleotide exchange factor 11 (PDZ-RhoGEF) | ARHGEF11 KIAA0380 | O15085 | 1 |
| Rho-related GTP-binding protein RhoV (CDC42-like GTPase 2) (GTP-binding protein-like 2) (Rho GTPase-like protein ARHV) (Wnt-1 responsive Cdc42 homolog 2) (WRCH-2) | RHOV ARHV WRCH2 | Q96L33 | 1 |
| Rhomboid domain-containing protein 3 | RHBDD3 C22orf3 | Q9Y3P4 | 1 |
| Rhomboid-related protein 2, C-terminal fragment (cDNA FLJ40302 fis, clone TESTI2029196, highly similar to Rhomboid-related protein 2 (EC 3.4.21.105)) | RHBDL2 | B3KUN4 | 1 |
| Rhombotin-1 (Cysteine-rich protein TTG-1) (LIM domain only protein 1) (LMO-1) (T-cell translocation protein 1) | LMO1 RBTN1 RHOM1 TTG1 | P25800 | 1 |
| Rhophilin-1 (GTP-Rho-binding protein 1) | RHPN1 KIAA1929 | Q8TCX5 | 1 |
| Rhox homeobox family member 1 (Ovary-, testis- and epididymis-expressed gene protein) (Paired-like homeobox protein PEPP-1) | RHOXF1 OTEX PEPP1 | Q8NHV9 | 1 |
| RIB43A-like with coiled-coils protein 1 | RIBC1 | Q8N443 | 1 |
| Ribonuclease 3 (EC 3.1.26.3) (Protein Drosha) (Ribonuclease III) (RNase III) (p241) | DROSHA RN3 RNASE3L RNASEN | Q9NRR4 | 1 |
| Ribonuclease H1 (RNase H1) (EC 3.1.26.4) (Ribonuclease H type II) | RNASEH1 RNH1 | O60930 | 1 |
| Ribonuclease P protein subunit p25 (RNase P protein subunit p25) (EC 3.1.26.5) | RPP25 | Q9BUL9 | 1 |
| Ribonucleoprotein PTB-binding 1 (Protein raver-1) | RAVER1 KIAA1978 | Q8IY67 | 1 |
| Ribonucleoside-diphosphate reductase subunit M2 B (EC 1.17.4.1) (TP53-inducible ribonucleotide reductase M2 B) (p53-inducible ribonucleotide reductase small subunit 2-like protein) (p53R2) | RRM2B P53R2 | Q7LG56 | 1 |
| Ribose-5-phosphate isomerase (EC 5.3.1.6) (Phosphoriboisomerase) | RPIA RPI | P49247 | 1 |
| Ribosomal protein L3 | RPL3 | Q96QL0 | 1 |
| Ribosomal RNA processing protein 1 homolog A (Novel nuclear protein 1) (NNP-1) (Nucleolar protein Nop52) (RRP1-like protein) | RRP1 D21S2056E NNP1 NOP52 RRP1A | P56182 | 1 |
| Ribosomal RNA processing protein 1 homolog B (RRP1-like protein B) | RRP1B KIAA0179 | Q14684 | 1 |
| Ribosomal RNA-processing protein 8 (EC 2.1.1.-) (Cerebral protein 1) (Nucleomethylin) | RRP8 KIAA0409 NML hucep-1 | O43159 | 1 |
| RIMS1 protein (Fragment) | RIMS1 | Q3ZCW0 | 1 |
| RIN2 protein | RIN2 | A1A4T0 | 1 |
| RING finger and CHY zinc finger domain-containing protein 1 (EC 6.3.2.-) (Androgen receptor N-terminal-interacting protein) (CH-rich-interacting match with PLAG1) (E3 ubiquitin-protein ligase Pirh2) (RING finger protein 199) (Zinc finger protein 363) (p53-induced RING-H2 protein) (hPirh2) | RCHY1 ARNIP CHIMP PIRH2 RNF199 ZNF363 | Q96PM5 | 1 |
| RING finger and transmembrane domain-containing protein 2 | RNFT2 | E9PAM7 | 1 |
| RING finger protein 112 (Brain finger protein) (Zinc finger protein 179) | RNF112 BFP ZNF179 | Q9ULX5 | 1 |
| RING finger protein 113B (Zinc finger protein 183-like 1) | RNF113B RNF161 ZNF183L1 | Q8IZP6 | 1 |
| RING finger protein 122 | RNF122 | Q9H9V4 | 1 |
| Ring finger protein 148 (Ring finger protein 148, isoform CRA_b) | RNF148 hCG_2013925 tcag7.1312 | A4D0X4 | 1 |
| RING finger protein 150 | RNF150 KIAA1214 | Q9ULK6 | 1 |
| RING finger protein 166 | RNF166 | Q96A37 | 1 |
| RING finger protein 175 | RNF175 | Q8N4F7 | 1 |
| RING finger protein 183 | RNF183 | Q96D59 | 1 |
| RING finger protein 207 | RNF207 C1orf188 | Q6ZRF8 | 1 |
| RING finger protein 215 | RNF215 | Q9Y6U7 | 1 |
| RING finger protein 219 | RNF219 C13orf7 | Q5W0B1 | 1 |
| RING finger protein 24 | RNF24 | Q9Y225 | 1 |
| RNA 3'-terminal phosphate cyclase-like protein | RCL1 RNAC RPC2 RPCL1 RTC2 HSPC338 | Q9Y2P8 | 1 |
| RNA binding motif protein 17, isoform CRA_a (cDNA, FLJ95864) | RBM17 hCG_24832 | Q5W009 | 1 |
| RNA binding motif protein, X-linked-like-1 (Heterogeneous nuclear ribonucleoprotein G-like 1) | RBMXL1 | Q96E39 | 1 |
| RNA binding protein (Autoantigenic, hnRNP-associated with lethal yellow) long isoform variant (RNA binding protein, autoantigenic (HnRNP-associated with lethal yellow homolog (Mouse))) (RNA binding protein, autoantigenic (HnRNP-associated with lethal yellow homolog (Mouse)), isoform CRA_a) (cDNA FLJ77422, highly similar to Homo sapiens RNA binding protein, autoantigenic (hnRNP-associated with lethal yellow homolog (mouse)), transcript variant 1, mRNA) (Fragment) | RALY hCG_37136 | Q53GL6 | 1 |
| RNA polymerase II elongation factor ELL (Eleven-nineteen lysine-rich leukemia protein) | ELL C19orf17 | P55199 | 1 |
| RNA polymerase II elongation factor ELL2 | ELL2 | O00472 | 1 |
| RNA polymerase II subunit A C-terminal domain phosphatase (EC 3.1.3.16) (TFIIF-associating CTD phosphatase) | CTDP1 FCP1 | Q9Y5B0 | 1 |
| RNA polymerase-associated protein LEO1 (Replicative senescence down-regulated leo1-like protein) | LEO1 RDL | Q8WVC0 | 1 |
| RNA-binding protein 26 (CTCL tumor antigen se70-2) (RNA-binding motif protein 26) | RBM26 C13orf10 PRO1777 | Q5T8P6 | 1 |
| RNA-binding protein 33 (Proline-rich protein 8) (RNA-binding motif protein 33) | RBM33 PRR8 | Q96EV2 | 1 |
| RNA-binding protein 40 (RNA-binding motif protein 40) (RNA-binding region-containing protein 3) (U11/U12 small nuclear ribonucleoprotein 65 kDa protein) (U11/U12 snRNP 65 kDa protein) (U11/U12-65K) | RNPC3 KIAA1839 RBM40 RNP | Q96LT9 | 1 |
| RNA-binding protein 43 (RNA-binding motif protein 43) | RBM43 C2orf38 | Q6ZSC3 | 1 |
| RNA-binding protein 7 (RNA-binding motif protein 7) | RBM7 | Q9Y580 | 1 |
| RNA-binding protein MEX3B (RING finger and KH domain-containing protein 3) (RING finger protein 195) | MEX3B KIAA2009 RKHD3 RNF195 | Q6ZN04 | 1 |
| RNA-binding Raly-like protein (hRALYL) (Heterogeneous nuclear ribonucleoprotein C-like 3) (hnRNP core protein C-like 3) | RALYL HNRPCL3 | Q86SE5 | 1 |
| RNASEH2B protein | RNASEH2B | Q8N451 | 1 |
| Rod cGMP-specific 3',5'-cyclic phosphodiesterase subunit beta (GMP-PDE beta) (EC 3.1.4.35) | PDE6B PDEB | P35913 | 1 |
| Ropporin-1-like protein (ROPN1-like protein) (AKAP-associated sperm protein) | ROPN1L ASP | Q96C74 | 1 |
| Ropporin-1A (Cancer/testis antigen 91) (CT91) (Rhophilin-associated protein 1A) | ROPN1 ROPN1A | Q9HAT0 | 1 |
| Roundabout homolog 2 | ROBO2 KIAA1568 | Q9HCK4 | 1 |
| Roundabout homolog 3 (Roundabout-like protein 3) | ROBO3 | Q96MS0 | 1 |
| Roundabout homolog 4 (Magic roundabout) | ROBO4 UNQ421/PRO3674 | Q8WZ75 | 1 |
| RPE-retinal G protein-coupled receptor | RGR | P47804 | 1 |
| RPS6KA4 protein (Fragment) | RPS6KA4 | A0PJF8 | 1 |
| RSF1 protein (Fragment) | RSF1 | Q05DG0 | 1 |
| RUN and FYVE domain-containing protein 1 (FYVE-finger protein EIP1) (La-binding protein 1) (Rab4-interacting protein) (Zinc finger FYVE domain-containing protein 12) | RUFY1 RABIP4 ZFYVE12 | Q96T51 | 1 |
| RUN and TBC1 domain-containing protein 3 | RUTBC3 | B9A6J5 | 1 |
| Runt-related transcription factor 2 (Acute myeloid leukemia 3 protein) (Core-binding factor subunit alpha-1) (CBF-alpha-1) (Oncogene AML-3) (Osteoblast-specific transcription factor 2) (OSF-2) (Polyomavirus enhancer-binding protein 2 alpha A subunit) (PEA2-alpha A) (PEBP2-alpha A) (SL3-3 enhancer factor 1 alpha A subunit) (SL3/AKV core-binding factor alpha A subunit) | RUNX2 AML3 CBFA1 OSF2 PEBP2A | Q13950 | 1 |
| RWD domain-containing protein 4 (Protein FAM28A) | RWDD4 FAM28A RWDD4A | Q6NW29 | 1 |
| RXRA protein (Fragment) | RXRA | Q6P3U7 | 1 |
| Ryanodine receptor 1 (RYR-1) (RyR1) (Skeletal muscle calcium release channel) (Skeletal muscle ryanodine receptor) (Skeletal muscle-type ryanodine receptor) (Type 1 ryanodine receptor) | RYR1 RYDR | P21817 | 1 |
| Ryanodine receptor 2 (RYR-2) (RyR2) (hRYR-2) (Cardiac muscle ryanodine receptor) (Cardiac muscle ryanodine receptor-calcium release channel) (Type 2 ryanodine receptor) | RYR2 | Q92736 | 1 |