| S-adenosylhomocysteine hydrolase-like protein 1 (DC-expressed AHCY-like molecule) (IP(3)Rs binding protein released with IP(3)) (IRBIT) (Putative adenosylhomocysteinase 2) (S-adenosyl-L-homocysteine hydrolase 2) (AdoHcyase 2) | AHCYL1 DCAL IRBIT XPVKONA | Q5VSM0 | 1 |
| S-adenosylmethionine decarboxylase proenzyme (cDNA FLJ52467, highly similar to S-adenosylmethionine decarboxylase proenzyme (EC 4.1.1.50)) | AMD1 | B4DZ60 | 1 |
| S-adenosylmethionine mitochondrial carrier protein (Mitochondrial S-adenosylmethionine transporter) (Solute carrier family 25 member 26) | SLC25A26 SAMC | Q70HW3 | 1 |
| S-formylglutathione hydrolase (EC 3.1.2.12) | ESD | X6RA14 | 1 |
| S-formylglutathione hydrolase (EC 3.1.2.12) (Fragment) | ESD | H7BZT7 | 1 |
| S-formylglutathione hydrolase (Fragment) | ESD | U3KQT1 | 1 |
| S-laminin (Fragment) | 0 | Q15483 | 1 |
| S-methyl-5'-thioadenosine phosphorylase | MTAP | F8WES2 | 1 |
| S100P-binding protein (Fragment) | S100PBP | E9PIZ7 | 1 |
| S100P-binding protein (S100P-binding protein Riken) | S100PBP S100PBPR | Q96BU1 | 1 |
| SAC3 domain-containing protein 1 | SAC3D1 | F8WC89 | 1 |
| SAC3 domain-containing protein 1 (SAC3 homology domain-containing protein 1) | SAC3D1 SHD1 | A6NKF1 | 1 |
| SAFB protein | SAFB | B7ZLP5 | 1 |
| SAFB-like transcription modulator | SLTM | H0YLW7 | 1 |
| SAFB-like transcription modulator | SLTM | H0YMR6 | 1 |
| SAFB-like transcription modulator (Fragment) | SLTM | H0YKH2 | 1 |
| SAFB-like transcription modulator (Fragment) | SLTM | H0YL55 | 1 |
| SAFB-like transcription modulator (Fragment) | SLTM | H7BXE3 | 1 |
| SAFB-like transcription modulator (Modulator of estrogen-induced transcription) | SLTM MET | A8K5V8 | 1 |
| SAGA-associated factor 29 (Coiled-coil domain-containing protein 101) (SAGA complex-associated factor 29) | SGF29 CCDC101 | Q96ES7 | 1 |
| Sal-like protein 1 (Spalt-like transcription factor 1) (Zinc finger protein 794) (Zinc finger protein SALL1) (Zinc finger protein Spalt-1) (HSal1) (Sal-1) | SALL1 SAL1 ZNF794 | Q9NSC2 | 1 |
| Sal-like protein 2 (Zinc finger protein 795) (Zinc finger protein SALL2) (Zinc finger protein Spalt-2) (Sal-2) (hSal2) | SALL2 KIAA0360 SAL2 ZNF795 | Q9Y467 | 1 |
| Sal-like protein 3 (Zinc finger protein 796) (Zinc finger protein SALL3) (hSALL3) | SALL3 ZNF796 | Q9BXA9 | 1 |
| Sal-like protein 4 (Zinc finger protein 797) (Zinc finger protein SALL4) | SALL4 ZNF797 | Q9UJQ4 | 1 |
| SAM and SH3 domain-containing protein 1 (Proline-glutamate repeat-containing protein) | SASH1 KIAA0790 PEPE1 | O94885 | 1 |
| SAP30-binding protein (Transcriptional regulator protein HCNGP) | SAP30BP HCNGP HTRG HTRP | Q9UHR5 | 1 |
| Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 (SERCA1) (SR Ca(2+)-ATPase 1) (EC 3.6.3.8) (Calcium pump 1) (Calcium-transporting ATPase sarcoplasmic reticulum type, fast twitch skeletal muscle isoform) (Endoplasmic reticulum class 1/2 Ca(2+) ATPase) | ATP2A1 | B3KY17 | 1 |
| Sarcoplasmic/endoplasmic reticulum calcium ATPase 2 (Fragment) | ATP2A2 | H7C5W9 | 1 |
| Sarcospan (Fragment) | SSPN | F5H381 | 1 |
| Scaffold attachment factor B2 (Fragment) | SAFB2 | K7EQU4 | 1 |
| SCAN domain-containing protein 3 (Transposon-derived Buster4 transposase-like protein) (Zinc finger BED domain-containing protein 9) | ZBED9 Buster4 KIAA1925 SCAND3 ZNF305P2 ZNF452 | Q6R2W3 | 1 |
| Scavenger receptor class B member 1 | SCARB1 | F5H4X0 | 1 |
| Scavenger receptor class B member 1 (SRB1) (CD36 and LIMPII analogous 1) (CLA-1) (CD36 antigen-like 1) (Collagen type I receptor, thrombospondin receptor-like 1) (SR-BI) (CD antigen CD36) | SCARB1 CD36L1 CLA1 | F8W8N0 | 1 |
| Scavenger receptor class B member 1 (SRB1) (CD36 and LIMPII analogous 1) (CLA-1) (CD36 antigen-like 1) (Collagen type I receptor, thrombospondin receptor-like 1) (SR-BI) (CD antigen CD36) | SCARB1 CD36L1 CLA1 | Q52LZ5 | 1 |
| Scavenger receptor class F member 2 (SRECRP-1) (Scavenger receptor expressed by endothelial cells 2 protein) (SREC-II) | SCARF2 SREC2 SREPCR | Q96GP6 | 1 |
| SCCA1/SCCA2 fusion protein | 0 | Q5K684 | 1 |
| SCD5 protein (Stearoyl-CoA desaturase 5, isoform CRA_d) | SCD5 hCG_1782054 | Q9BSN4 | 1 |
| Schlafen family member 12-like | SLFN12L SLFN5 | Q6IEE8 | 1 |
| Schlafen-like protein 1 | SLFNL1 | Q499Z3 | 1 |
| Schwannomin-interacting protein 1 (SCHIP-1) | SCHIP1 | P0DPB3 | 1 |
| SCY1-like protein 2 (Fragment) | SCYL2 | F8VSC5 | 1 |
| Sec1 family domain-containing protein 1 (Fragment) | SCFD1 | H0YIZ7 | 1 |
| Sec1 family domain-containing protein 1 (SLY1 homolog) (Sly1p) (Syntaxin-binding protein 1-like 2) | SCFD1 C14orf163 KIAA0917 STXBP1L2 FKSG23 | B7Z4U7 | 1 |
| SEC14-like protein 1 (Fragment) | SEC14L1 | K7ESI4 | 1 |
| SEC14-like protein 1 (Fragment) | SEC14L1 | K7EIJ7 | 1 |
| SEC14-like protein 2 | SEC14L2 | F8WEE7 | 1 |
| SEC14-like protein 3 (Tocopherol-associated protein 2) | SEC14L3 TAP2 | Q9UDX4 | 1 |
| SEC14-like protein 4 (Tocopherol-associated protein 3) | SEC14L4 TAP3 | A5D6W7 | 1 |
| Secernin-1 | SCRN1 KIAA0193 | B4DIP5 | 1 |
| Secreted frizzled-related protein 5 (sFRP-5) (Frizzled-related protein 1b) (FRP-1b) (Secreted apoptosis-related protein 3) (SARP-3) | SFRP5 FRP1B SARP3 | Q5T4F7 | 1 |
| Secreted phosphoprotein 1 variant 6 (cDNA FLJ54682, highly similar to Osteopontin) | SPP1 | B7Z351 | 1 |
| Secreted phosphoprotein 24 (Fragment) | SPP2 | C9J6K0 | 1 |
| Secretin | SCT | P09683 | 1 |
| Secretion-regulating guanine nucleotide exchange factor (Deafness locus-associated putative guanine nucleotide exchange factor) (DelGEF) (Guanine nucleotide exchange factor-related protein) | SERGEF DELGEF GNEFR | Q9UGK8 | 1 |
| Secretoglobin family 3A member 2 (Pneumo secretory protein 1) (PnSP-1) (Uteroglobin-related protein 1) | SCGB3A2 PNSP1 UGRP1 UNQ566/PRO1128 | Q96PL1 | 1 |
| Secretory carrier-associated membrane protein (Secretory carrier membrane protein) | 0 | A8K769 | 1 |
| Secretory carrier-associated membrane protein (Secretory carrier membrane protein) (Fragment) | SCAMP2 | H3BV04 | 1 |
| Secretory leukoprotease inhibitor protein (Fragment) | SLPI | Q6LDI0 | 1 |
| Securin-2 (Pituitary tumor-transforming gene 2 protein) | PTTG2 | Q9NZH5 | 1 |
| Segment polarity protein dishevelled homolog DVL-3 (Dishevelled-3) (DSH homolog 3) | DVL3 KIAA0208 | Q92997 | 1 |
| Segment polarity protein dishevelled homolog DVL-3 (Fragment) | DVL3 | C9K0P9 | 1 |
| Seizure 6-like protein 2 | SEZ6L2 | A0A087WYL5 | 1 |
| Selectin P (Granule membrane protein 140kDa, antigen CD62) | SELP | Q6NUL9 | 1 |
| Selenium binding protein 1, isoform CRA_b (cDNA FLJ13813 fis, clone THYRO1000358, moderately similar to SELENIUM-BINDING LIVER PROTEIN) | SELENBP1 hCG_18906 | Q9H8A8 | 1 |
| Selenocysteine insertion sequence-binding protein 2 (SECIS-binding protein 2) | SECISBP2 SBP2 | Q96T21 | 1 |
| Selenocysteine insertion sequence-binding protein 2-like (SECIS-binding protein 2-like) | SECISBP2L KIAA0256 | Q93073 | 1 |
| Selenoprotein K (SelK) | SELENOK SELK HSPC030 HSPC297 | Q9Y6D0 | 1 |
| Selenoprotein O | SELENOO | A0A087X0Q9 | 1 |
| Selenoprotein S (SelS) (VCP-interacting membrane protein) | SELENOS SELS VIMP AD-015 SBBI8 | Q9BQE4 | 1 |
| SEMA6C protein | SEMA6C | Q1RMY5 | 1 |
| Semaphorin-3B (Sema A(V)) (Semaphorin-V) (Sema V) | SEMA3B SEMA5 SEMAA | Q8TDV7 | 1 |
| Semaphorin-3G (Fragment) | SEMA3G | C9JXB2 | 1 |
| Semaphorin-4F (Semaphorin-M) (Sema M) (Semaphorin-W) (Sema W) | SEMA4F SEMAM SEMAW | O95754 | 1 |
| Semaphorin-5B | SEMA5B KIAA1445 SEMAG UNQ5867/PRO34001 | Q9P283 | 1 |
| Semaphorin-6A | SEMA6A | E9PDV9 | 1 |
| Semaphorin-6A (Fragment) | SEMA6A | H0Y8V9 | 1 |
| Semaphorin-7A | SEMA7A | F5GYX3 | 1 |
| Semaphorin-7A (CDw108) (JMH blood group antigen) (John-Milton-Hargen human blood group Ag) (Semaphorin-K1) (Sema K1) (Semaphorin-L) (Sema L) (CD antigen CD108) | SEMA7A CD108 SEMAL | Q1XE84 | 1 |
| Semenogelin II | SEMG2 | Q6IRW3 | 1 |
| Sentrin-specific protease 1 (EC 3.4.22.68) (Sentrin/SUMO-specific protease SENP1) | SENP1 | Q9P0U3 | 1 |
| Sentrin-specific protease 2 (EC 3.4.22.68) (Axam2) (SMT3-specific isopeptidase 2) (Smt3ip2) (Sentrin/SUMO-specific protease SENP2) | SENP2 KIAA1331 | Q9HC62 | 1 |
| Septin-14 | SEPT14 | Q6ZU15 | 1 |
| Septin-2 (Fragment) | SEPT2 | B5MD47 | 1 |
| Septin-2 (Fragment) | SEPT2 | C9JZI2 | 1 |
| Septin-2 (Fragment) | SEPT2 | H7C1T1 | 1 |
| Septin-5 | SEPT5 | A0A087WWZ5 | 1 |
| Septin-8 | SEPT8 | A6NMH6 | 1 |
| Septin-8 (Fragment) | SEPT8 | C9JV02 | 1 |
| Septin-9 (Fragment) | SEPT9 | K7EJZ2 | 1 |
| Sequestosome-1 | SQSTM1 | E7EMC7 | 1 |
| Sequestosome-1 (Fragment) | SQSTM1 | E3W990 | 1 |
| Sequestosome-1 (Fragment) | SQSTM1 | C9JRJ8 | 1 |
| Sequestosome-1 (Fragment) | SQSTM1 | E9PFW8 | 1 |
| Serine dehydratase-like (Fragment) | SDSL | F8VYZ3 | 1 |
| Serine hydroxymethyltransferase (EC 2.1.2.1) | 0 | B4DJ63 | 1 |
| Serine hydroxymethyltransferase (EC 2.1.2.1) | SHMT2 hCG_41231 | B4DLV4 | 1 |
| Serine hydroxymethyltransferase, mitochondrial | SHMT2 | G3V2Y1 | 1 |
| Serine hydroxymethyltransferase, mitochondrial | SHMT2 | G3V540 | 1 |
| Serine hydroxymethyltransferase, mitochondrial (Fragment) | SHMT2 | G3V2W0 | 1 |
| Serine hydroxymethyltransferase, mitochondrial (Fragment) | SHMT2 | G3V2Y4 | 1 |