| Sex-determining region Y protein (Testis-determining factor) | SRY TDF | Q05066 | 1 |
| SF3B1 protein (Fragment) | SF3B1 | Q7Z497 | 1 |
| SFRS protein kinase 1, isoform CRA_f (SRSF protein kinase 1) (cDNA FLJ58405, highly similar to Serine/threonine-protein kinase SRPK1 (EC 2.7.11.1)) | SRPK1 hCG_15775 | B4DS61 | 1 |
| SFRS17A protein (Fragment) | SFRS17A | Q05DA9 | 1 |
| SH2 domain-containing protein 1B (EWS/FLI1-activated transcript 2) (EAT-2) | SH2D1B EAT2 | O14796 | 1 |
| SH2 domain-containing protein 3A (Novel SH2-containing protein 1) | SH2D3A NSP1 UNQ175/PRO201 | Q9BRG2 | 1 |
| SH2 domain-containing protein 4B | SH2D4B | Q5SQS7 | 1 |
| SH2 domain-containing protein 5 | SH2D5 | Q6ZV89 | 1 |
| SH3 and cysteine rich domain 2, isoform CRA_b (SH3 and cysteine-rich domain-containing protein 2) | STAC2 hCG_31410 | D0IN09 | 1 |
| SH3 and cysteine-rich domain-containing protein 3 | STAC3 | Q96MF2 | 1 |
| SH3 and multiple ankyrin repeat domains protein 1 (Shank1) (Somatostatin receptor-interacting protein) (SSTR-interacting protein) (SSTRIP) | SHANK1 | Q9Y566 | 1 |
| SH3 and PX domain-containing protein 2B (Adapter protein HOFI) (Factor for adipocyte differentiation 49) (Tyrosine kinase substrate with four SH3 domains) | SH3PXD2B FAD49 KIAA1295 TKS4 | A1X283 | 1 |
| SH3 domain containing ring finger 2 | SH3RF2 | Q08AM8 | 1 |
| Shadow of prion protein (Protein shadoo) | SPRN SHO | Q5BIV9 | 1 |
| SHC-transforming protein 2 (Protein Sck) (SHC-transforming protein B) (Src homology 2 domain-containing-transforming protein C2) (SH2 domain protein C2) | SHC2 SCK SHCB | P98077 | 1 |
| SHC-transforming protein 4 (Rai-like protein) (RaLP) (SHC-transforming protein D) (hShcD) (Src homology 2 domain-containing-transforming protein C4) (SH2 domain protein C4) | SHC4 SHCD UNQ6438/PRO21364 | Q6S5L8 | 1 |
| Short transient receptor potential channel 1 (TrpC1) (Transient receptor protein 1) (TRP-1) | TRPC1 TRP1 | P48995 | 1 |
| Short transient receptor potential channel 4 (TrpC4) (Trp-related protein 4) (hTrp-4) (hTrp4) | TRPC4 | Q9UBN4 | 1 |
| Short transient receptor potential channel 4-associated protein (Trp4-associated protein) (Trpc4-associated protein) (Protein TAP1) (TNF-receptor ubiquitous scaffolding/signaling protein) (Protein TRUSS) | TRPC4AP C20orf188 TRRP4AP | Q8TEL6 | 1 |
| Short transient receptor potential channel 6 (TrpC6) (Transient receptor protein 6) (TRP-6) | TRPC6 TRP6 | Q9Y210 | 1 |
| Short transient receptor potential channel 7 (TrpC7) (Transient receptor protein 7) (TRP-7) (hTRP7) | TRPC7 TRP7 | Q9HCX4 | 1 |
| Short/branched chain specific acyl-CoA dehydrogenase, mitochondrial (SBCAD) (EC 1.3.8.5) (2-methyl branched chain acyl-CoA dehydrogenase) (2-MEBCAD) (2-methylbutyryl-coenzyme A dehydrogenase) (2-methylbutyryl-CoA dehydrogenase) | ACADSB | P45954 | 1 |
| Shugoshin-like 2 (Shugoshin-2) (Sgo2) (Tripin) | SGOL2 | Q562F6 | 1 |
| Sialic acid-binding Ig-like lectin 10 (Siglec-10) (Siglec-like protein 2) | SIGLEC10 SLG2 UNQ477/PRO940 | Q96LC7 | 1 |
| Sialic acid-binding Ig-like lectin 9 (Siglec-9) (CDw329) (Protein FOAP-9) (CD antigen CD329) | SIGLEC9 UNQ668/PRO1302 | Q9Y336 | 1 |
| SIAT4C protein (ST3 beta-galactoside alpha-2,3-sialyltransferase 4, isoform CRA_c) (cDNA, FLJ95600, Homo sapiens sialyltransferase 4C (beta-galactosidealpha-2,3-sialyltransferase) (SIAT4C), mRNA) | SIAT4C ST3GAL4 hCG_37591 | Q6IBE6 | 1 |
| Sideroflexin-5 | SFXN5 | Q8TD22 | 1 |
| Sigma non-opioid intracellular receptor 1 (Aging-associated gene 8 protein) (SR31747-binding protein) (SR-BP) (Sigma 1-type opioid receptor) (SIG-1R) (Sigma1-receptor) (Sigma1R) (hSigmaR1) | SIGMAR1 OPRS1 SRBP AAG8 | Q99720 | 1 |
| Signal peptide peptidase-like 2A (SPP-like 2A) (SPPL2a) (EC 3.4.23.-) (Intramembrane protease 3) (IMP-3) (Presenilin-like protein 2) | SPPL2A IMP3 PSL2 PSEC0147 | Q8TCT8 | 1 |
| Signal recognition particle receptor beta subunit (Signal recognition particle receptor, B subunit, isoform CRA_b) | SRPRB hCG_2023561 | Q549N5 | 1 |
| Signal transducer and activator of transcription (Fragment) | 0 | Q59GY7 | 1 |
| Signal-regulatory protein beta-1 (SIRP-beta-1) (CD172 antigen-like family member B) (CD antigen CD172b) | SIRPB1 | O00241 | 1 |
| Signal-regulatory protein beta-2 (SIRP-beta-2) (Protein tyrosine phosphatase non-receptor type substrate 1-like 3) (Protein tyrosine phosphatase non-receptor type substrate protein) | SIRPB2 PTPN1L PTPNS1L3 | Q5JXA9 | 1 |
| Signal-regulatory protein delta (SIRP-delta) (Protein tyrosine phosphatase non-receptor type substrate 1-like 2) | SIRPD PTPNS1L2 | Q9H106 | 1 |
| Single-minded homolog 2 (Class E basic helix-loop-helix protein 15) (bHLHe15) | SIM2 BHLHE15 | Q14190 | 1 |
| Single-stranded DNA cytosine deaminase (EC 3.5.4.38) (Activation-induced cytidine deaminase) (Cytidine aminohydrolase) | AICDA AID | Q9GZX7 | 1 |
| Single-stranded DNA-binding protein 2 (Sequence-specific single-stranded-DNA-binding protein 2) | SSBP2 SSDP2 | P81877 | 1 |
| SKI family transcriptional corepressor 1 (Functional Smad-suppressing element on chromosome 15) (Fussel-15) (LBX1 corepressor 1) (Ladybird homeobox corepressor 1) | SKOR1 CORL1 FUSSEL15 LBXCOR1 | P84550 | 1 |
| SLAM family member 5 (Cell surface antigen MAX.3) (Hly9-beta) (Leukocyte differentiation antigen CD84) (Signaling lymphocytic activation molecule 5) (CD antigen CD84) | CD84 SLAMF5 | Q9UIB8 | 1 |
| SLAM family member 9 (CD2 family member 10) (CD2F-10) (CD84 homolog 1) (CD84-H1) | SLAMF9 CD2F10 UNQ1938/PRO4421 | Q96A28 | 1 |
| SLC25A11 protein (Solute carrier family 25 (Mitochondrial carrier; oxoglutarate carrier), member 11, isoform CRA_b) (cDNA FLJ76014, highly similar to Homo sapiens solute carrier family 25 (mitochondrial carrier; oxoglutarate carrier), member 11 (SLC25A11), mRNA) | SLC25A11 hCG_32694 | Q6IBH0 | 1 |
| SLC2A4 protein (Solute carrier family 2, facilitated glucose transporter member 4) | SLC2A4 | Q05BQ3 | 1 |
| SLC31A2 protein (Solute carrier family 31 (Copper transporters), member 2) (Fragment) | SLC31A2 hCG_29184 | Q53X94 | 1 |
| SLIT and NTRK-like protein 2 | SLITRK2 CXorf2 KIAA1854 SLITL1 UNQ9197/PRO34756 | Q9H156 | 1 |
| SLIT and NTRK-like protein 3 | SLITRK3 KIAA0848 | O94933 | 1 |
| SLIT-ROBO Rho GTPase-activating protein 1 (srGAP1) (Rho GTPase-activating protein 13) | SRGAP1 ARHGAP13 KIAA1304 | Q7Z6B7 | 1 |
| SLIT-ROBO Rho GTPase-activating protein 3 (srGAP3) (Mental disorder-associated GAP) (Rho GTPase-activating protein 14) (WAVE-associated Rac GTPase-activating protein) (WRP) | SRGAP3 ARHGAP14 KIAA0411 KIAA1156 MEGAP SRGAP2 | O43295 | 1 |
| SLP adapter and CSK-interacting membrane protein (SLP65/SLP76, Csk-interacting membrane protein) | SCIMP C17orf87 UNQ5783/PRO16090 | Q6UWF3 | 1 |
| Small conductance calcium-activated potassium channel protein 3 (SK3) (SKCa 3) (SKCa3) (KCa2.3) | KCNN3 K3 | Q9UGI6 | 1 |
| Small G protein signaling modulator 1 (RUN and TBC1 domain-containing protein 2) | SGSM1 KIAA1941 RUTBC2 | Q2NKQ1 | 1 |
| Small glutamine-rich tetratricopeptide repeat-containing protein beta (Beta-SGT) (Small glutamine-rich protein with tetratricopeptide repeats 2) | SGTB SGT2 | Q96EQ0 | 1 |
| Small integral membrane protein 13 | SMIM13 C6orf228 | P0DJ93 | 1 |
| Small integral membrane protein 8 | SMIM8 C6orf162 DC18 | Q96KF7 | 1 |
| Small kinetochore-associated protein (SKAP) (Kinetochore-localized astrin-binding protein) (Kinastrin) (Kinetochore-localized astrin/SPAG5-binding protein) (TRAF4-associated factor 1) | KNSTRN C15orf23 SKAP TRAF4AF1 HSD11 | Q9Y448 | 1 |
| Small proline-rich protein 2B (SPR-2B) | SPRR2B | P35325 | 1 |
| Small proline-rich protein 2E (SPR-2E) (Small proline-rich protein II) (SPR-II) | SPRR2E | P22531 | 1 |
| SMARCA1 protein (Fragment) | SMARCA1 | Q86UA8 | 1 |
| SMURF2 protein (Fragment) | SMURF2 | Q96DE7 | 1 |
| Sn1-specific diacylglycerol lipase alpha (DGL-alpha) (EC 3.1.1.-) (Neural stem cell-derived dendrite regulator) | DAGLA C11orf11 KIAA0659 NSDDR | Q9Y4D2 | 1 |
| Sn1-specific diacylglycerol lipase beta (DGL-beta) (EC 3.1.1.-) (KCCR13L) | DAGLB | Q8NCG7 | 1 |
| SNX26 protein | SNX26 | A1A5D2 | 1 |
| Sodium bicarbonate transporter-like protein 11 (Bicarbonate transporter-related protein 1) (Sodium borate cotransporter 1) (NaBC1) (Solute carrier family 4 member 11) | SLC4A11 BTR1 | Q8NBS3 | 1 |
| Sodium channel protein type 1 subunit alpha (Sodium channel protein brain I subunit alpha) (Sodium channel protein type I subunit alpha) (Voltage-gated sodium channel subunit alpha Nav1.1) | SCN1A NAC1 SCN1 | P35498 | 1 |
| Sodium channel protein type 4 subunit alpha (SkM1) (Sodium channel protein skeletal muscle subunit alpha) (Sodium channel protein type IV subunit alpha) (Voltage-gated sodium channel subunit alpha Nav1.4) | SCN4A | P35499 | 1 |
| Sodium channel subunit beta-3 | SCN3B KIAA1158 | Q9NY72 | 1 |
| Sodium leak channel non-selective protein (CanIon) (Voltage gated channel-like protein 1) | NALCN VGCNL1 | Q8IZF0 | 1 |
| Sodium- and chloride-dependent GABA transporter 2 (GAT-2) (Solute carrier family 6 member 13) | SLC6A13 GAT2 | Q9NSD5 | 1 |
| Sodium- and chloride-dependent neutral and basic amino acid transporter B(0+) (Amino acid transporter ATB0+) (Solute carrier family 6 member 14) | SLC6A14 | Q9UN76 | 1 |
| Sodium- and chloride-dependent transporter XTRP3 (Sodium/imino-acid transporter 1) (Solute carrier family 6 member 20) (Transporter rB21A homolog) | SLC6A20 SIT1 XT3 XTRP3 | Q9NP91 | 1 |
| Sodium-coupled neutral amino acid transporter 3 (N-system amino acid transporter 1) (Na(+)-coupled neutral amino acid transporter 3) (Solute carrier family 38 member 3) (System N amino acid transporter 1) | SLC38A3 G17 NAT1 SN1 SNAT3 | Q99624 | 1 |
| Sodium-dependent glucose transporter 1 | NAGLT1 KIAA1919 HSPC100 | Q5TF39 | 1 |
| Sodium-dependent neutral amino acid transporter B(0)AT2 (Sodium- and chloride-dependent neurotransmitter transporter NTT73) (Sodium-coupled branched-chain amino-acid transporter 1) (Solute carrier family 6 member 15) (Transporter v7-3) | SLC6A15 B0AT2 NTT73 SBAT1 | Q9H2J7 | 1 |
| Sodium-dependent neutral amino acid transporter B(0)AT3 (Sodium- and chloride-dependent transporter XTRP2) (Solute carrier family 6 member 18) (System B(0) neutral amino acid transporter AT3) | SLC6A18 XTRP2 | Q96N87 | 1 |
| Sodium-dependent noradrenaline transporter (Norepinephrine transporter) (NET) (Solute carrier family 6 member 2) | SLC6A2 NAT1 NET1 SLC6A5 | P23975 | 1 |
| Sodium-dependent phosphate transport protein 2B (Sodium-phosphate transport protein 2B) (Na(+)-dependent phosphate cotransporter 2B) (NaPi3b) (Sodium/phosphate cotransporter 2B) (Na(+)/Pi cotransporter 2B) (NaPi-2b) (Solute carrier family 34 member 2) | SLC34A2 | O95436 | 1 |
| Sodium-dependent phosphate transport protein 3 (Na(+)/PI cotransporter 3) (Sodium/phosphate cotransporter 3) (Solute carrier family 17 member 2) | SLC17A2 NPT3 | O00624 | 1 |
| Sodium-driven chloride bicarbonate exchanger (Solute carrier family 4 member 10) | SLC4A10 NCBE | Q6U841 | 1 |
| Sodium/bile acid cotransporter 4 (Na(+)/bile acid cotransporter 4) (Solute carrier family 10 member 4) | SLC10A4 | Q96EP9 | 1 |
| Sodium/bile acid cotransporter 5 (Na(+)/bile acid cotransporter 5) (Solute carrier family 10 member 5) | SLC10A5 | Q5PT55 | 1 |
| Sodium/calcium exchanger 1 (Na(+)/Ca(2+)-exchange protein 1) (Solute carrier family 8 member 1) | SLC8A1 CNC NCX1 | P32418 | 1 |
| Sodium/calcium exchanger 2 (Na(+)/Ca(2+)-exchange protein 2) (Solute carrier family 8 member 2) | SLC8A2 KIAA1087 NCX2 | Q9UPR5 | 1 |
| Sodium/calcium exchanger 3 (Na(+)/Ca(2+)-exchange protein 3) (Solute carrier family 8 member 3) | SLC8A3 NCX3 | P57103 | 1 |
| Sodium/hydrogen exchanger 5 (Na(+)/H(+) exchanger 5) (NHE-5) (Solute carrier family 9 member 5) | SLC9A5 NHE5 | Q14940 | 1 |
| Sodium/hydrogen exchanger 8 (Na(+)/H(+) exchanger 8) (NHE-8) (Solute carrier family 9 member 8) | SLC9A8 KIAA0939 NHE8 | Q9Y2E8 | 1 |
| Sodium/hydrogen exchanger 9 (Na(+)/H(+) exchanger 9) (NHE-9) (Solute carrier family 9 member 9) | SLC9A9 NHE9 Nbla00118 | Q8IVB4 | 1 |
| Sodium/nucleoside cotransporter 2 (Concentrative nucleoside transporter 2) (CNT 2) (hCNT2) (Na(+)/nucleoside cotransporter 2) (Sodium-coupled nucleoside transporter 2) (Sodium/purine nucleoside co-transporter) (SPNT) (Solute carrier family 28 member 2) | SLC28A2 CNT2 | O43868 | 1 |
| Sodium/potassium-transporting ATPase subunit alpha-3 (Na(+)/K(+) ATPase alpha-3 subunit) (EC 3.6.3.9) (Na(+)/K(+) ATPase alpha(III) subunit) (Sodium pump subunit alpha-3) | ATP1A3 | P13637 | 1 |
| Sodium/potassium-transporting ATPase subunit alpha-4 (Na(+)/K(+) ATPase alpha-4 subunit) (EC 3.6.3.9) (Sodium pump subunit alpha-4) | ATP1A4 ATP1AL2 | Q13733 | 1 |
| Sodium/potassium-transporting ATPase subunit beta-1-interacting protein 2 (Na(+)/K(+)-transporting ATPase subunit beta-1-interacting protein 2) (Protein FAM77B) (T-cell lymphoma breakpoint-associated target protein 1) | NKAIN2 FAM77B TCBA1 | Q5VXU1 | 1 |
| Sodium/potassium/calcium exchanger 5 (Na(+)/K(+)/Ca(2+)-exchange protein 5) (Solute carrier family 24 member 5) | SLC24A5 JSX NCKX5 | Q71RS6 | 1 |
| Solute carrier family 12 member 1 (Bumetanide-sensitive sodium-(potassium)-chloride cotransporter 2) (Kidney-specific Na-K-Cl symporter) | SLC12A1 NKCC2 | Q13621 | 1 |
| Solute carrier family 12 member 4 (Electroneutral potassium-chloride cotransporter 1) (Erythroid K-Cl cotransporter 1) (hKCC1) | SLC12A4 KCC1 | Q9UP95 | 1 |
| Solute carrier family 12 member 7 (Electroneutral potassium-chloride cotransporter 4) (K-Cl cotransporter 4) | SLC12A7 KCC4 | Q9Y666 | 1 |
| Solute carrier family 13 member 2 (Na(+)/dicarboxylate cotransporter 1) (NaDC-1) (Renal sodium/dicarboxylate cotransporter) | SLC13A2 NADC1 SDCT1 | Q13183 | 1 |
| Solute carrier family 13 member 4 (Na(+)/sulfate cotransporter SUT-1) (NaS2) | SLC13A4 SUT1 | Q9UKG4 | 1 |
| Solute carrier family 13 member 5 (Na(+)/citrate cotransporter) (NaCT) (Sodium-coupled citrate transporter) (Sodium-dependent citrate transporter) | SLC13A5 NACT | Q86YT5 | 1 |
| Solute carrier family 15 oligopeptide transporter member 1 | 0 | B2CQT6 | 1 |
| Solute carrier family 2, facilitated glucose transporter member 4 (Glucose transporter type 4, insulin-responsive) (GLUT-4) | SLC2A4 GLUT4 | P14672 | 1 |
| Solute carrier family 22 member 13 (Organic cation transporter-like 3) (ORCTL-3) | SLC22A13 ORCTL3 | Q9Y226 | 1 |
| Solute carrier family 22 member 14 (Organic cation transporter-like 4) (ORCTL-4) | SLC22A14 ORCTL4 | Q9Y267 | 1 |