Tmic
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NameSodium channel protein type 1 subunit alpha
Synonyms
  • NAC1
  • SCN1
  • Sodium channel protein brain I subunit alpha
  • Sodium channel protein type I subunit alpha
  • Voltage-gated sodium channel subunit alpha Nav1.1
Gene NameSCN1A
OrganismHuman
Amino acid sequence
>lcl|BSEQ0000281|Sodium channel protein type 1 subunit alpha
MEQTVLVPPGPDSFNFFTRESLAAIERRIAEEKAKNPKPDKKDDDENGPKPNSDLEAGKN
LPFIYGDIPPEMVSEPLEDLDPYYINKKTFIVLNKGKAIFRFSATSALYILTPFNPLRKI
AIKILVHSLFSMLIMCTILTNCVFMTMSNPPDWTKNVEYTFTGIYTFESLIKIIARGFCL
EDFTFLRDPWNWLDFTVITFAYVTEFVDLGNVSALRTFRVLRALKTISVIPGLKTIVGAL
IQSVKKLSDVMILTVFCLSVFALIGLQLFMGNLRNKCIQWPPTNASLEEHSIEKNITVNY
NGTLINETVFEFDWKSYIQDSRYHYFLEGFLDALLCGNSSDAGQCPEGYMCVKAGRNPNY
GYTSFDTFSWAFLSLFRLMTQDFWENLYQLTLRAAGKTYMIFFVLVIFLGSFYLINLILA
VVAMAYEEQNQATLEEAEQKEAEFQQMIEQLKKQQEAAQQAATATASEHSREPSAAGRLS
DSSSEASKLSSKSAKERRNRRKKRKQKEQSGGEEKDEDEFQKSESEDSIRRKGFRFSIEG
NRLTYEKRYSSPHQSLLSIRGSLFSPRRNSRTSLFSFRGRAKDVGSENDFADDEHSTFED
NESRRDSLFVPRRHGERRNSNLSQTSRSSRMLAVFPANGKMHSTVDCNGVVSLVGGPSVP
TSPVGQLLPEVIIDKPATDDNGTTTETEMRKRRSSSFHVSMDFLEDPSQRQRAMSIASIL
TNTVEELEESRQKCPPCWYKFSNIFLIWDCSPYWLKVKHVVNLVVMDPFVDLAITICIVL
NTLFMAMEHYPMTDHFNNVLTVGNLVFTGIFTAEMFLKIIAMDPYYYFQEGWNIFDGFIV
TLSLVELGLANVEGLSVLRSFRLLRVFKLAKSWPTLNMLIKIIGNSVGALGNLTLVLAII
VFIFAVVGMQLFGKSYKDCVCKIASDCQLPRWHMNDFFHSFLIVFRVLCGEWIETMWDCM
EVAGQAMCLTVFMMVMVIGNLVVLNLFLALLLSSFSADNLAATDDDNEMNNLQIAVDRMH
KGVAYVKRKIYEFIQQSFIRKQKILDEIKPLDDLNNKKDSCMSNHTAEIGKDLDYLKDVN
GTTSGIGTGSSVEKYIIDESDYMSFINNPSLTVTVPIAVGESDFENLNTEDFSSESDLEE
SKEKLNESSSSSEGSTVDIGAPVEEQPVVEPEETLEPEACFTEGCVQRFKCCQINVEEGR
GKQWWNLRRTCFRIVEHNWFETFIVFMILLSSGALAFEDIYIDQRKTIKTMLEYADKVFT
YIFILEMLLKWVAYGYQTYFTNAWCWLDFLIVDVSLVSLTANALGYSELGAIKSLRTLRA
LRPLRALSRFEGMRVVVNALLGAIPSIMNVLLVCLIFWLIFSIMGVNLFAGKFYHCINTT
TGDRFDIEDVNNHTDCLKLIERNETARWKNVKVNFDNVGFGYLSLLQVATFKGWMDIMYA
AVDSRNVELQPKYEESLYMYLYFVIFIIFGSFFTLNLFIGVIIDNFNQQKKKFGGQDIFM
TEEQKKYYNAMKKLGSKKPQKPIPRPGNKFQGMVFDFVTRQVFDISIMILICLNMVTMMV
ETDDQSEYVTTILSRINLVFIVLFTGECVLKLISLRHYYFTIGWNIFDFVVVILSIVGMF
LAELIEKYFVSPTLFRVIRLARIGRILRLIKGAKGIRTLLFALMMSLPALFNIGLLLFLV
MFIYAIFGMSNFAYVKREVGIDDMFNFETFGNSMICLFQITTSAGWDGLLAPILNSKPPD
CDPNKVNPGSSVKGDCGNPSVGIFFFVSYIIISFLVVVNMYIAVILENFSVATEESAEPL
SEDDFEMFYEVWEKFDPDATQFMEFEKLSQFAAALEPPLNLPQPNKLQLIAMDLPMVSGD
RIHCLDILFAFTKRVLGESGEMDALRIQMEERFMASNPSKVSYQPITTTLKRKQEEVSAV
IIQRAYRRHLLKRTVKQASFTYNKNKIKGGANLLIKEDMIIDRINENSITEKTDLTMSTA
ACPPSYDRVTKPIVEKHEQEGKDEKAKGK
Number of residues2009
Molecular Weight228969.49
Theoretical pI5.53
GO Classification
Functions
  • voltage-gated sodium channel activity
Processes
  • neuromuscular process controlling posture
  • sodium ion transmembrane transport
  • neuronal action potential propagation
  • positive regulation of defense response to virus by host
  • xenophagy
  • membrane depolarization during action potential
  • neuronal action potential
  • sodium ion transport
  • adult walking behavior
Components
  • plasma membrane
  • intercalated disc
  • T-tubule
  • Z disc
  • neuronal cell body
  • axon initial segment
  • voltage-gated sodium channel complex
  • node of Ranvier
General FunctionVoltage-gated sodium channel activity
Specific FunctionMediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient.
Pfam Domain Function
Transmembrane Regions124-147 156-175 189-207 214-233 250-273 400-425 763-787 799-822 831-850 857-876 893-913 967-992 1214-1237 1251-1276 1283-1304 1309-1330 1350-1377 1457-1483 1537-1560 1572-1595 1602-1625 1636-1657 1673-1695 1762-1786
GenBank Protein ID12642270
UniProtKB IDP35498
UniProtKB Entry NameSCN1A_HUMAN
Cellular LocationMembrane
Gene sequence
>lcl|BSEQ0010177|Sodium channel protein type 1 subunit alpha (SCN1A)
ATGGAGCAAACAGTGCTTGTACCACCAGGACCTGACAGCTTCAACTTCTTCACCAGAGAA
TCTCTTGCGGCTATTGAAAGACGCATTGCAGAAGAAAAGGCAAAGAATCCCAAACCAGAC
AAAAAAGATGACGACGAAAATGGCCCAAAGCCAAATAGTGACTTGGAAGCTGGAAAGAAC
CTTCCATTTATTTATGGAGACATTCCTCCAGAGATGGTGTCAGAGCCCCTGGAGGACCTG
GACCCCTACTATATCAATAAGAAAACTTTTATAGTATTGAATAAAGGGAAGGCCATCTTC
CGGTTCAGTGCCACCTCTGCCCTGTACATTTTAACTCCCTTCAATCCTCTTAGGAAAATA
GCTATTAAGATTTTGGTACATTCATTATTCAGCATGCTAATTATGTGCACTATTTTGACA
AACTGTGTGTTTATGACAATGAGTAACCCTCCTGATTGGACAAAGAATGTAGAATACACC
TTCACAGGAATATATACTTTTGAATCACTTATAAAAATTATTGCAAGGGGATTCTGTTTA
GAAGATTTTACTTTCCTTCGGGATCCATGGAACTGGCTCGATTTCACTGTCATTACATTT
GCGTACGTCACAGAGTTTGTGGACCTGGGCAATGTCTCGGCATTGAGAACATTCAGAGTT
CTCCGAGCATTGAAGACGATTTCAGTCATTCCAGGCCTGAAAACCATTGTGGGAGCCCTG
ATCCAGTCTGTGAAGAAGCTCTCAGATGTAATGATCCTGACTGTGTTCTGTCTGAGCGTA
TTTGCTCTAATTGGGCTGCAGCTGTTCATGGGCAACCTGAGGAATAAATGTATACAATGG
CCTCCCACCAATGCTTCCTTGGAGGAACATAGTATAGAAAAGAATATAACTGTGAATTAT
AATGGTACACTTATAAATGAAACTGTCTTTGAGTTTGACTGGAAGTCATATATTCAAGAT
TCAAGATATCATTATTTCCTGGAGGGTTTTTTAGATGCACTACTATGTGGAAATAGCTCT
GATGCAGGCCAATGTCCAGAGGGATATATGTGTGTGAAAGCTGGTAGAAATCCCAATTAT
GGCTACACAAGCTTTGATACCTTCAGTTGGGCTTTTTTGTCCTTGTTTCGACTAATGACT
CAGGACTTCTGGGAAAATCTTTATCAACTGACATTACGTGCTGCTGGGAAAACGTACATG
ATATTTTTTGTATTGGTCATTTTCTTGGGCTCATTCTACCTAATAAATTTGATCCTGGCT
GTGGTGGCCATGGCCTACGAGGAACAGAATCAGGCCACCTTGGAAGAAGCAGAACAGAAA
GAGGCCGAATTTCAGCAGATGATTGAACAGCTTAAAAAGCAACAGGAGGCAGCTCAGCAG
GCAGCAACGGCAACTGCCTCAGAACATTCCAGAGAGCCCAGTGCAGCAGGCAGGCTCTCA
GACAGCTCATCTGAAGCCTCTAAGTTGAGTTCCAAGAGTGCTAAGGAAAGAAGAAATCGG
AGGAAGAAAAGAAAACAGAAAGAGCAGTCTGGTGGGGAAGAGAAAGATGAGGATGAATTC
CAAAAATCTGAATCTGAGGACAGCATCAGGAGGAAAGGTTTTCGCTTCTCCATTGAAGGG
AACCGATTGACATATGAAAAGAGGTACTCCTCCCCACACCAGTCTTTGTTGAGCATCCGT
GGCTCCCTATTTTCACCAAGGCGAAATAGCAGAACAAGCCTTTTCAGCTTTAGAGGGCGA
GCAAAGGATGTGGGATCTGAGAACGACTTCGCAGATGATGAGCACAGCACCTTTGAGGAT
AACGAGAGCCGTAGAGATTCCTTGTTTGTGCCCCGACGACACGGAGAGAGACGCAACAGC
AACCTGAGTCAGACCAGTAGGTCATCCCGGATGCTGGCAGTGTTTCCAGCGAATGGGAAG
ATGCACAGCACTGTGGATTGCAATGGTGTGGTTTCCTTGGTTGGTGGACCTTCAGTTCCT
ACATCGCCTGTTGGACAGCTTCTGCCAGAGGTGATAATAGATAAGCCAGCTACTGATGAC
AATGGAACAACCACTGAAACTGAAATGAGAAAGAGAAGGTCAAGTTCTTTCCACGTTTCC
ATGGACTTTCTAGAAGATCCTTCCCAAAGGCAACGAGCAATGAGTATAGCCAGCATTCTA
ACAAATACAGTAGAAGAACTTGAAGAATCCAGGCAGAAATGCCCACCCTGTTGGTATAAA
TTTTCCAACATATTCTTAATCTGGGACTGTTCTCCATATTGGTTAAAAGTGAAACATGTT
GTCAACCTGGTTGTGATGGACCCATTTGTTGACCTGGCCATCACCATCTGTATTGTCTTA
AATACTCTTTTCATGGCCATGGAGCACTATCCAATGACGGACCATTTCAATAATGTGCTT
ACAGTAGGAAACTTGGTTTTCACTGGGATCTTTACAGCAGAAATGTTTCTGAAAATTATT
GCCATGGATCCTTACTATTATTTCCAAGAAGGCTGGAATATCTTTGACGGTTTTATTGTG
ACGCTTAGCCTGGTAGAACTTGGACTCGCCAATGTGGAAGGATTATCTGTTCTCCGTTCA
TTTCGATTGCTGCGAGTTTTCAAGTTGGCAAAATCTTGGCCAACGTTAAATATGCTAATA
AAGATCATCGGCAATTCCGTGGGGGCTCTGGGAAATTTAACCCTCGTCTTGGCCATCATC
GTCTTCATTTTTGCCGTGGTCGGCATGCAGCTCTTTGGTAAAAGCTACAAAGATTGTGTC
TGCAAGATCGCCAGTGATTGTCAACTCCCACGCTGGCACATGAATGACTTCTTCCACTCC
TTCCTGATTGTGTTCCGCGTGCTGTGTGGGGAGTGGATAGAGACCATGTGGGACTGTATG
GAGGTTGCTGGTCAAGCCATGTGCCTTACTGTCTTCATGATGGTCATGGTGATTGGAAAC
CTAGTGGTCCTGAATCTCTTTCTGGCCTTGCTTCTGAGCTCATTTAGTGCAGACAACCTT
GCAGCCACTGATGATGATAATGAAATGAATAATCTCCAAATTGCTGTGGATAGGATGCAC
AAAGGAGTAGCTTATGTGAAAAGAAAAATATATGAATTTATTCAACAGTCCTTCATTAGG
AAACAAAAGATTTTAGATGAAATTAAACCACTTGATGATCTAAACAACAAGAAAGACAGT
TGTATGTCCAATCATACAGCAGAAATTGGGAAAGATCTTGACTATCTTAAAGATGTAAAT
GGAACTACAAGTGGTATAGGAACTGGCAGCAGTGTTGAAAAATACATTATTGATGAAAGT
GATTACATGTCATTCATAAACAACCCCAGTCTTACTGTGACTGTACCAATTGCTGTAGGA
GAATCTGACTTTGAAAATTTAAACACGGAAGACTTTAGTAGTGAATCGGATCTGGAAGAA
AGCAAAGAGAAACTGAATGAAAGCAGTAGCTCATCAGAAGGTAGCACTGTGGACATCGGC
GCACCTGTAGAAGAACAGCCCGTAGTGGAACCTGAAGAAACTCTTGAACCAGAAGCTTGT
TTCACTGAAGGCTGTGTACAAAGATTCAAGTGTTGTCAAATCAATGTGGAAGAAGGCAGA
GGAAAACAATGGTGGAACCTGAGAAGGACGTGTTTCCGAATAGTTGAACATAACTGGTTT
GAGACCTTCATTGTTTTCATGATTCTCCTTAGTAGTGGTGCTCTGGCATTTGAAGATATA
TATATTGATCAGCGAAAGACGATTAAGACGATGTTGGAATATGCTGACAAGGTTTTCACT
TACATTTTCATTCTGGAAATGCTTCTAAAATGGGTGGCATATGGCTATCAAACATATTTC
ACCAATGCCTGGTGTTGGCTGGACTTCTTAATTGTTGATGTTTCATTGGTCAGTTTAACA
GCAAATGCCTTGGGTTACTCAGAACTTGGAGCCATCAAATCTCTCAGGACACTAAGAGCT
CTGAGACCTCTAAGAGCCTTATCTCGATTTGAAGGGATGAGGGTGGTTGTGAATGCCCTT
TTAGGAGCAATTCCATCCATCATGAATGTGCTTCTGGTTTGTCTTATATTCTGGCTAATT
TTCAGCATCATGGGCGTAAATTTGTTTGCTGGCAAATTCTACCACTGTATTAACACCACA
ACTGGTGACAGGTTTGACATCGAAGACGTGAATAATCATACTGATTGCCTAAAACTAATA
GAAAGAAATGAGACTGCTCGATGGAAAAATGTGAAAGTAAACTTTGATAATGTAGGATTT
GGGTATCTCTCTTTGCTTCAAGTTGCCACATTCAAAGGATGGATGGATATAATGTATGCA
GCAGTTGATTCCAGAAATGTGGAACTCCAGCCTAAGTATGAAGAAAGTCTGTACATGTAT
CTTTACTTTGTTATTTTCATCATCTTTGGGTCCTTCTTCACCTTGAACCTGTTTATTGGT
GTCATCATAGATAATTTCAACCAGCAGAAAAAGAAGTTTGGAGGTCAAGACATCTTTATG
ACAGAAGAACAGAAGAAATACTATAATGCAATGAAAAAATTAGGATCGAAAAAACCGCAA
AAGCCTATACCTCGACCAGGAAACAAATTTCAAGGAATGGTCTTTGACTTCGTAACCAGA
CAAGTTTTTGACATAAGCATCATGATTCTCATCTGTCTTAACATGGTCACAATGATGGTG
GAAACAGATGACCAGAGTGAATATGTGACTACCATTTTGTCACGCATCAATCTGGTGTTC
ATTGTGCTATTTACTGGAGAGTGTGTACTGAAACTCATCTCTCTACGCCATTATTATTTT
ACCATTGGATGGAATATTTTTGATTTTGTGGTTGTCATTCTCTCCATTGTAGGTATGTTT
CTTGCCGAGCTGATAGAAAAGTATTTCGTGTCCCCTACCCTGTTCCGAGTGATCCGTCTT
GCTAGGATTGGCCGAATCCTACGTCTGATCAAAGGAGCAAAGGGGATCCGCACGCTGCTC
TTTGCTTTGATGATGTCCCTTCCTGCGTTGTTTAACATCGGCCTCCTACTCTTCCTAGTC
ATGTTCATCTACGCCATCTTTGGGATGTCCAACTTTGCCTATGTTAAGAGGGAAGTTGGG
ATCGATGACATGTTCAACTTTGAGACCTTTGGCAACAGCATGATCTGCCTATTCCAAATT
ACAACCTCTGCTGGCTGGGATGGATTGCTAGCACCCATTCTCAACAGTAAGCCACCCGAC
TGTGACCCTAATAAAGTTAACCCTGGAAGCTCAGTTAAGGGAGACTGTGGGAACCCATCT
GTTGGAATTTTCTTTTTTGTCAGTTACATCATCATATCCTTCCTGGTTGTGGTGAACATG
TACATCGCGGTCATCCTGGAGAACTTCAGTGTTGCTACTGAAGAAAGTGCAGAGCCTCTG
AGTGAGGATGACTTTGAGATGTTCTATGAGGTTTGGGAGAAGTTTGATCCCGATGCAACT
CAGTTCATGGAATTTGAAAAATTATCTCAGTTTGCAGCTGCGCTTGAACCGCCTCTCAAT
CTGCCACAACCAAACAAACTCCAGCTCATTGCCATGGATTTGCCCATGGTGAGTGGTGAC
CGGATCCACTGTCTTGATATCTTATTTGCTTTTACAAAGCGGGTTCTAGGAGAGAGTGGA
GAGATGGATGCTCTACGAATACAGATGGAAGAGCGATTCATGGCTTCCAATCCTTCCAAG
GTCTCCTATCAGCCAATCACTACTACTTTAAAACGAAAACAAGAGGAAGTATCTGCTGTC
ATTATTCAGCGTGCTTACAGACGCCACCTTTTAAAGCGAACTGTAAAACAAGCTTCCTTT
ACGTACAATAAAAACAAAATCAAAGGTGGGGCTAATCTTCTTATAAAAGAAGACATGATA
ATTGACAGAATAAATGAAAACTCTATTACAGAAAAAACTGATCTGACCATGTCCACTGCA
GCTTGTCCACCTTCCTATGACCGGGTGACAAAGCCAATTGTGGAAAAACATGAGCAAGAA
GGCAAAGATGAAAAAGCCAAAGGGAAATAA
GenBank Gene IDAF225985
GeneCard IDNot Available
GenAtlas IDSCN1A
HGNC IDHGNC:10585
Chromosome Location2
Locus2q24.3
References
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