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Gene

SCN7A

sodium voltage-gated channel alpha subunit 7

Summary

Cytogenetic location
2q24.3
Coordinates
Chromosome 2: 166,403,573–166,494,249 (GRCh38)
Exons
26 exons across 90.7 kb
Protein
1,682 amino acids
Also known as
Nav2.1, Nav2.2, NaG
Previous symbols
SCN6A
MANE Select transcript
ENST00000643258.1NM_002976.4
Locus type
gene with protein product
  • Very high
  • Confident
  • Low
  • Very low

Reference genomeGRCh38

Positions on gene and variant pages follow this choice, in this browser.

Curated reports relevant to this gene

No Genome Test report reads SCN7A yet. The test sequences your whole genome, so your data includes it all the same.

How SCN7A is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 2, with a bracket where SCN7A sits. SCN7A and 4 genes near it on chromosome 2, from 165,948,911 to 166,948,910.Chromosome 22q24.3p25.3p25.2p25.1p24.3p24.2p24.1p23.3p23.2p23.1p22.3p22.2p22.1p21p16.3p16.2p16.1p15p14p13.3p13.2p13.1p12p11.2p11.1q11.1q11.2q12.1q12.2q12.3q13q14.1q14.2q14.3q21.1q21.2q21.3q22.1q22.2q22.3q23.1q23.2q23.3q24.1q24.2q24.3q31.1q31.2q31.3q32.1q32.2q32.3q33.1q33.2q33.3q34q35q36.1q36.2q36.3q37.1q37.2q37.3166 Mb166.2 Mb166.4 Mb166.6 Mb166.8 MbTTC21B: 165,857,475–165,953,851, reverse strandTTC21BSCN1A: 165,984,641–166,182,806, reverse strandSCN1ASCN9A: 166,195,185–166,376,001, reverse strandSCN9ASCN7A: 166,403,573–166,494,249, reverse strandSCN7AXIRP2: 166,888,480–167,260,119, forward strandXIRP2Diagram of SCN7A: 26 exons on the reverse strand of chromosome 2Exon 26: 166,403,573–166,406,646, 3,074 basesExon 25: 166,409,665–166,409,935, 271 basesExon 24: 166,410,220–166,410,324, 105 basesExon 23: 166,412,530–166,412,667, 138 basesExon 22: 166,413,068–166,413,121, 54 basesExon 21: 166,416,707–166,416,985, 279 basesExon 20: 166,421,190–166,421,297, 108 basesExon 19: 166,423,259–166,423,432, 174 basesExon 18: 166,427,788–166,427,942, 155 basesExon 17: 166,429,169–166,429,274, 106 basesExon 16: 166,432,318–166,432,752, 435 basesExon 15: 166,441,396–166,441,752, 357 basesExon 14: 166,443,503–166,443,676, 174 basesExon 13: 166,444,762–166,445,000, 239 basesExon 12: 166,447,612–166,447,708, 97 basesExon 11: 166,456,870–166,457,076, 207 basesExon 10: 166,462,389–166,462,530, 142 basesExon 9: 166,465,462–166,465,531, 70 basesExon 8: 166,465,781–166,465,987, 207 basesExon 7: 166,470,615–166,470,706, 92 basesExon 6: 166,472,317–166,472,445, 129 basesExon 5: 166,473,799–166,473,888, 90 basesExon 4: 166,474,226–166,474,344, 119 basesExon 3: 166,477,463–166,477,710, 248 basesExon 2: 166,486,856–166,486,968, 113 basesExon 1: 166,493,968–166,494,249, 282 bases262422201816141210864215′3′

Exons of the gene's MANE Select transcript (release v1.5), from NCBI and EMBL-EBI, on the GRCh38 reference genome.

Chromosome bands from UCSC's GRCh38 ideogram (2022-10-29).

Nearby genes from Ensembl release 116, on GRCh38.

Exons make up 7.5 kb of the gene's 90.7 kb; 5,049 of those bases code for the protein.

Where this comes from

  • HGNC: the gene's symbol, name, other symbols and location.
  • MANE Select v1.5, from NCBI and EMBL-EBI: the transcript, its exons and coding sequence.

Cite this page

APA

Dante Labs. (n.d.). SCN7A gene: sodium voltage-gated channel alpha subunit 7. Retrieved 17 October 2026, from https://dantelabs.com/genes/scn7a

Vancouver

Dante Labs. SCN7A gene: sodium voltage-gated channel alpha subunit 7 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/scn7a

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