ID SCNAA_ONYTO Reviewed; 1959 AA. AC P0DMA5; U6BRW2; DT 22-JAN-2014, integrated into UniProtKB/Swiss-Prot. DT 22-JAN-2014, sequence version 1. DT 27-MAR-2024, entry version 36. DE RecName: Full=Sodium channel protein type 10 subunit alpha; GN Name=Scn10a; Synonyms=Sns; OS Onychomys torridus (Southern grasshopper mouse). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; OC Cricetidae; Neotominae; Onychomys. OX NCBI_TaxID=38674; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, TRANSPORTER ACTIVITY, AND MUTAGENESIS RP OF 746-ILE--ALA-747 AND 859-GLN--GLN-862. RX PubMed=24159039; DOI=10.1126/science.1236451; RA Rowe A.H., Xiao Y., Rowe M.P., Cummins T.R., Zakon H.H.; RT "Voltage-gated sodium channel in grasshopper mice defends against bark RT scorpion toxin."; RL Science 342:441-446(2013). RN [2] RP MUTAGENESIS OF ARG-215; ARG-218; 756-ARG--ARG-759 AND 859-GLN--GLN-862, AND RP 3D-STRUCTURE MODELING IN COMPLEX WITH SCORPION NATX36 TOXIN. RX PubMed=35662692; DOI=10.3389/fphar.2022.846992; RA George K., Lopez-Mateos D., Abd El-Aziz T.M., Xiao Y., Kline J., Bao H., RA Raza S., Stockand J.D., Cummins T.R., Fornelli L., Rowe M.P., RA Yarov-Yarovoy V., Rowe A.H.; RT "Structural and functional characterization of a novel scorpion toxin that RT inhibits NaV1.8 via interactions with the DI voltage sensor and DII pore RT module."; RL Front. Pharmacol. 13:846992-846992(2022). CC -!- FUNCTION: Tetrodotoxin-resistant channel that mediates the voltage- CC dependent sodium ion permeability of excitable membranes. Assuming CC opened or closed conformations in response to the voltage difference CC across the membrane, the protein forms a sodium-selective channel CC through which sodium ions may pass in accordance with their CC electrochemical gradient. Plays a role in neuropathic pain mechanisms. CC {ECO:0000269|PubMed:24159039}. CC -!- CATALYTIC ACTIVITY: CC Reaction=Na(+)(in) = Na(+)(out); Xref=Rhea:RHEA:34963, CC ChEBI:CHEBI:29101; Evidence={ECO:0000269|PubMed:24159039}; CC -!- SUBUNIT: The channel consists of an ion conducting pore forming alpha- CC subunit regulated by one or more associated auxiliary subunits SCN1B, CC SCN2B and SCN3B; electrophysiological properties may vary depending on CC the type of the associated beta subunits. Found in a number of CC complexes with PRX, DYNLT1 and PDZD2. Interacts with proteins such as CC FSTL1, PRX, DYNLT1, PDZD2, S100A10 and many others. Interacts with CC NEDD4 and NEDD4L (By similarity). {ECO:0000250}. CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250|UniProtKB:D0E0C2}; CC Multi-pass membrane protein {ECO:0000250|UniProtKB:D0E0C2}. Note=It can CC be translocated to the cell membrane through association with S100A10. CC {ECO:0000250}. CC -!- DOMAIN: The sequence contains 4 internal repeats, each with 5 CC hydrophobic segments (S1, S2, S3, S5, S6) and one positively charged CC segment (S4). Segments S4 are probably the voltage-sensors and are CC characterized by a series of positively charged amino acids at every CC third position. {ECO:0000305}. CC -!- PTM: Ubiquitinated by NEDD4L; which promotes its endocytosis. CC {ECO:0000305}. CC -!- PTM: Phosphorylation at Ser-1453 by PKC in a highly conserved CC cytoplasmic loop slows inactivation of the sodium channel and reduces CC peak sodium currents. {ECO:0000250}. CC -!- PTM: Lacks the cysteine which covalently binds the conotoxin GVIIJ. CC This cysteine (position 816) is speculated in other sodium channel CC subunits alpha to be implied in covalent binding with the sodium CC channel subunit beta-2 or beta-4. {ECO:0000250|UniProtKB:P15389}. CC -!- MISCELLANEOUS: O.torridus is resistant to the pain-inducing components CC of the venom of its prey, the bark scorpion (Centruroides CC sculpturatus). It is most probably due to the unique inhibition by some CC venom components of the Scn10a sodium-channel in those rodents. CC Inhibition of Snc10a would, in turn, inhibit sodium currents, block CC action potential propagation and induce analgesia. Glu-862 plays a CC central role in that inhibition and its replacement by a Gln, the CC corresponding amino acid found in the M.musculus ortholog, prevents the CC inhibition of Snc10a. This would explain why the venom induces pain in CC M.musculus but not in O.torridus (PubMed:24159039). CC {ECO:0000305|PubMed:24159039}. CC -!- SIMILARITY: Belongs to the sodium channel (TC 1.A.1.10) family. CC Nav1.8/SCN10A subfamily. {ECO:0000305}. CC -!- WEB RESOURCE: Name=Protein Spotlight; Note=A pain soothed - Issue 157 CC of January 2014; CC URL="https://web.expasy.org/spotlight/back_issues/157/"; CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; KF717604; AHA38158.1; -; mRNA. DR AlphaFoldDB; P0DMA5; -. DR SMR; P0DMA5; -. DR GlyCosmos; P0DMA5; 3 sites, No reported glycans. DR GO; GO:0005886; C:plasma membrane; ISS:UniProtKB. DR GO; GO:0001518; C:voltage-gated sodium channel complex; IEA:InterPro. DR GO; GO:0005248; F:voltage-gated sodium channel activity; ISS:UniProtKB. DR GO; GO:0086010; P:membrane depolarization during action potential; ISS:UniProtKB. DR CDD; cd13433; Na_channel_gate; 1. DR Gene3D; 1.10.287.70; -; 4. DR Gene3D; 1.10.238.10; EF-hand; 1. DR Gene3D; 1.20.5.1190; iswi atpase; 1. DR Gene3D; 1.20.120.350; Voltage-gated potassium channels. Chain C; 4. DR InterPro; IPR005821; Ion_trans_dom. DR InterPro; IPR001696; Na_channel_asu. DR InterPro; IPR044564; Na_chnl_inactivation_gate. DR InterPro; IPR010526; Na_trans_assoc_dom. DR InterPro; IPR043203; VGCC_Ca_Na. DR InterPro; IPR027359; Volt_channel_dom_sf. DR PANTHER; PTHR10037:SF208; SODIUM CHANNEL PROTEIN TYPE 10 SUBUNIT ALPHA; 1. DR PANTHER; PTHR10037; VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM; 1. DR Pfam; PF00520; Ion_trans; 4. DR Pfam; PF06512; Na_trans_assoc; 1. DR PRINTS; PR00170; NACHANNEL. DR SUPFAM; SSF81324; Voltage-gated potassium channels; 4. PE 1: Evidence at protein level; KW Cell membrane; Disulfide bond; Glycoprotein; Ion channel; Ion transport; KW Membrane; Phosphoprotein; Repeat; Sodium; Sodium channel; Sodium transport; KW Transmembrane; Transmembrane helix; Transport; Ubl conjugation; KW Voltage-gated channel. FT CHAIN 1..1959 FT /note="Sodium channel protein type 10 subunit alpha" FT /id="PRO_0000424959" FT TOPO_DOM 1..125 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 126..149 FT /note="Helical; Name=S1 of repeat I" FT /evidence="ECO:0000255" FT TOPO_DOM 150..154 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 155..174 FT /note="Helical; Name=S2 of repeat I" FT /evidence="ECO:0000255" FT TOPO_DOM 175..187 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 188..206 FT /note="Helical; Name=S3 of repeat I" FT /evidence="ECO:0000255" FT TOPO_DOM 207..212 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 213..232 FT /note="Helical; Voltage-sensor; Name=S4 of repeat I" FT /evidence="ECO:0000255" FT TOPO_DOM 233..248 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 249..272 FT /note="Helical; Name=S5 of repeat I" FT /evidence="ECO:0000255" FT TOPO_DOM 273..340 FT /note="Extracellular" FT /evidence="ECO:0000305" FT INTRAMEM 341..365 FT /note="Pore-forming" FT /evidence="ECO:0000250|UniProtKB:D0E0C2" FT TOPO_DOM 366..372 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 373..398 FT /note="Helical; Name=S6 of repeat I" FT /evidence="ECO:0000255" FT TOPO_DOM 399..659 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 660..684 FT /note="Helical; Name=S1 of repeat II" FT /evidence="ECO:0000255" FT TOPO_DOM 685..695 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 696..719 FT /note="Helical; Name=S2 of repeat II" FT /evidence="ECO:0000255" FT TOPO_DOM 720..727 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 728..747 FT /note="Helical; Name=S3 of repeat II" FT /evidence="ECO:0000255" FT TOPO_DOM 748..753 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 754..773 FT /note="Helical; Voltage-sensor; Name=S4 of repeat II" FT /evidence="ECO:0000255" FT TOPO_DOM 774..789 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 790..810 FT /note="Helical; Name=S5 of repeat II" FT /evidence="ECO:0000255" FT TOPO_DOM 811..834 FT /note="Extracellular" FT /evidence="ECO:0000305" FT INTRAMEM 835..855 FT /note="Pore-forming" FT /evidence="ECO:0000250|UniProtKB:D0E0C2" FT TOPO_DOM 856..864 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 865..890 FT /note="Helical; Name=S6 of repeat II" FT /evidence="ECO:0000255" FT TOPO_DOM 891..1149 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 1150..1173 FT /note="Helical; Name=S1 of repeat III" FT /evidence="ECO:0000255" FT TOPO_DOM 1174..1186 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 1187..1212 FT /note="Helical; Name=S2 of repeat III" FT /evidence="ECO:0000255" FT TOPO_DOM 1213..1218 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 1219..1240 FT /note="Helical; Name=S3 of repeat III" FT /evidence="ECO:0000255" FT TOPO_DOM 1241..1244 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 1245..1266 FT /note="Helical; Voltage-sensor; Name=S4 of repeat III" FT /evidence="ECO:0000255" FT TOPO_DOM 1267..1285 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 1286..1313 FT /note="Helical; Name=S5 of repeat III" FT /evidence="ECO:0000255" FT TOPO_DOM 1314..1355 FT /note="Extracellular" FT /evidence="ECO:0000305" FT INTRAMEM 1356..1377 FT /note="Pore-forming" FT /evidence="ECO:0000250|UniProtKB:D0E0C2" FT TOPO_DOM 1378..1393 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 1394..1420 FT /note="Helical; Name=S6 of repeat III" FT /evidence="ECO:0000255" FT TOPO_DOM 1421..1473 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 1474..1497 FT /note="Helical; Name=S1 of repeat IV" FT /evidence="ECO:0000255" FT TOPO_DOM 1498..1508 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 1509..1532 FT /note="Helical; Name=S2 of repeat IV" FT /evidence="ECO:0000255" FT TOPO_DOM 1533..1538 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 1539..1562 FT /note="Helical; Name=S3 of repeat IV" FT /evidence="ECO:0000255" FT TOPO_DOM 1563..1574 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 1575..1596 FT /note="Helical; Voltage-sensor; Name=S4 of repeat IV" FT /evidence="ECO:0000255" FT TOPO_DOM 1597..1611 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 1612..1634 FT /note="Helical; Name=S5 of repeat IV" FT /evidence="ECO:0000255" FT TOPO_DOM 1635..1648 FT /note="Extracellular" FT /evidence="ECO:0000305" FT INTRAMEM 1649..1671 FT /note="Pore-forming" FT /evidence="ECO:0000250|UniProtKB:D0E0C2" FT TOPO_DOM 1672..1699 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 1700..1724 FT /note="Helical; Name=S6 of repeat IV" FT /evidence="ECO:0000255" FT TOPO_DOM 1725..1959 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT REPEAT 116..404 FT /note="I" FT /evidence="ECO:0000305" FT REPEAT 647..911 FT /note="II" FT /evidence="ECO:0000305" FT REPEAT 1142..1451 FT /note="III" FT /evidence="ECO:0000305" FT REPEAT 1460..1759 FT /note="IV" FT /evidence="ECO:0000305" FT DOMAIN 1853..1882 FT /note="IQ" FT REGION 30..53 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 442..484 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 510..578 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 1004..1034 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 1071..1097 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 1901..1959 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 453..469 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 470..484 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 1907..1944 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT MOD_RES 440 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT MOD_RES 443 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT MOD_RES 466 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT MOD_RES 478 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT MOD_RES 612 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT MOD_RES 615 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT MOD_RES 1453 FT /note="Phosphoserine; by PKC" FT /evidence="ECO:0000250|UniProtKB:Q14524" FT CARBOHYD 288 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 311 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 334 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT DISULFID 276..318 FT /evidence="ECO:0000250|UniProtKB:D0E0C2" FT DISULFID 857..866 FT /evidence="ECO:0000250|UniProtKB:D0E0C2" FT MUTAGEN 215 FT /note="R->G: Complete loss of inhibition by the venom of FT Centruroides sculpturatus. Decrease in inhibition by the FT venom of Centruroides sculpturatus; when associated with FT G-218." FT /evidence="ECO:0000269|PubMed:35662692" FT MUTAGEN 218 FT /note="R->G: Decrease in inhibition by the venom of FT Centruroides sculpturatus; when associated with G-215." FT /evidence="ECO:0000269|PubMed:35662692" FT MUTAGEN 746..747 FT /note="IA->TS: No effect on inhibition by the venom of FT Centruroides sculpturatus." FT /evidence="ECO:0000269|PubMed:24159039" FT MUTAGEN 756..759 FT /note="RTFR->GTFG: No change in inhibition by the venom of FT Centruroides sculpturatus." FT /evidence="ECO:0000269|PubMed:35662692" FT MUTAGEN 859..862 FT /note="QVSE->EVSQ: Complete loss of inhibition by the venom FT of Centruroides sculpturatus." FT /evidence="ECO:0000269|PubMed:24159039, FT ECO:0000269|PubMed:35662692" SQ SEQUENCE 1959 AA; 220523 MW; FE84EC9345B5EB74 CRC64; MEFPIGSVGT TNFRRFTPES LAEIEKQIAA HGAAKKARAK HGERKGQDEK PRPQLDLKAC NQLPRFYGEL PAELVGEPLE DLDPFYSTHR TFMVLNKGRT ISRFSATWAL WLFSPFNLIR RTAIKVSVHA WFSIFITITI LFNCVCMTQN DLPEKIEYAF TVIYTFEALI KILARGFCLN EFTYLRDPWN WLDFSVITLA YVGAAIDLRG ISGLRTFRVL RALKTVSVIP GLKVIVGALI HSVRKLADVT ILTVFCLSVF ALVGLQLFKG NLKNKCIKRS TDPHNAYNFS SQMADNFYIK NGTTEPLLCG NGSDAGHCPS GYICLKTSDN PDFNYTSFDS FAWAFLSLFR LMTQDSWERL YQQTLRASGK MYMVFFVLVI FLGSFYLVNL ILAVVTMAYE EQNQATIAEI EAKEKKFQEA LEVLQKEQEV LAALGIDTTS LHSHNGSPLA PKNANERKHR IKSRVSEGST DDNRSPQSDP YNQRRMSFLG LSSGRRRASH SSVFHFRAPS QDVSFPDGIT DDGVFHGDHE SHRSSLLLAR GAGQAGPLPR SPLASSPNPG PGHREEGQLT APTGELTTGA PEDLALEAAG QKKNFLSAEY LNEPFRAQRA MSVVSIMTSV IEELEESKLR CPPCLINLAQ KYLIWECCPK WMKFKMVLFE LVTDPFAELT ITLCIVVNTI FMAMEHYPMT DAFDAMLQAG NIVFTVFFTM EMAFKIIAFD PYYYFQKKWN VFDCVIVTVS LLELSIAKKG SLSVLRTFRL LRVFKLAKSW PTLNTLIKII GNSVGALGNL TFILAIIVFI FALVGKQLLG EDYGCRKDGT ALWNEGQLRW HMCDFFHSFL VIFRILCGEW IENMWVCMQV SEKSICLILF LTVMVLGNLV VLNLFIALLL NSFSADNLTA PEDDGEVNNL QVALARTQAF GQRASQAISS YFSSHCRLRW PKVGSQLGVK PSLTSSKAEH HITADAVNTA VGTSAKPALS GPKEDPRDFI TDANVWVSVP IAEGESDLDE LEEDIEQNSQ SSWREESPKG QQDQLWQIQR CEDHQVPNSP GSGMSSEDLA SYLGERWKSE ATPQVPAEGV DDTSSSEGST VDCPDPEEIL KKIPELADDL EEPDDCFTEG CTRHCPCCKV STSKFPWTTG WQVRKTCYRI VEHSWFESFI IFMILLSSGA LAFEDNYLEQ KPRVKSMLEY TDRVFTFIFV FEMLLKWVAY GFKKYFTNAW CWLDFLIVNI SLTSLIAKIL DYSDVASLKA LRTLRALRPL RALSRFEGMR VVVDALVGAI PSIMNVLLVC LIFWLIFSIM GVNLFAGKFS RCIDTSNNPF SVVNSTIVNN KSECRNQNHT GHFFWVNVKV NFDNVAMGYL ALLQVATFKG WMDIMYAAVD SREINSQPQW EDNLYMYLYF VVFIIFGGFF TLNLFVGVII DNFNQQKKKL GGQDIFMTEE QKKYYNAMKK LGSKKPQKPI PRPLNKYQGF VFDIVTRQAF DIIIMVLICL NMITMMVETD GQSEEKTKIL GRINQFFVAV FTGECVMKMF ALRQYYFTNG WNVFDFIVVI LSIGSLVFSA ILKSLESYFS PTLFRVIRLA RIGRILRLIR AAKGIRTLLF ALMMSLPALF NIGLLLFLVM FIYSIFGMAS FANVVEEAGI DDMFNFQTFG NSMLCLFQIT TSAGWDGLLS PILNTGPPYC DPNLSNNNTS KGNCGSPTVG IVFFTTYIII SFLIVVNMYI AVILENFNVA TEESTEPLSE DDFDMFYETW EKFDPEATQF IAFSALSDFA DTLSGPLRIP KPNQNILIQM DLPLVPGDKI HCLDILFAFT KNVLGESGEL DSLKTNMEEK FMATNLSKAS YEPIATTLRW KQEDISATVI QKAYRSYVLQ RSLTLSNPLR VPRAEDDDAP LPGEGYVTFM ANDSGRLPDK SETTSATSFP PSYDSVTRGL SDRVNISTSN SMHNEDEVTS KEGDSPGPQ //