Skip to content
Use your HSA or FSA funds

Gene

KCNH3

potassium voltage-gated channel subfamily H member 3

Summary

Cytogenetic location
12q13.12
Coordinates
Chromosome 12: 49,539,030–49,558,337 (GRCh38)
Exons
15 exons across 19.3 kb
Protein
1,083 amino acids
Also known as
Kv12.2, BEC1, elk2
MANE Select transcript
ENST00000257981.7NM_012284.3
Locus type
gene with protein product

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 KCNH3 yet. The test sequences your whole genome, so your data includes it all the same.

How KCNH3 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 12, with a bracket where KCNH3 sits. KCNH3 and 24 genes near it on chromosome 12, from 49,048,684 to 50,048,683.Chromosome 1212q13.12p13.33p13.32p13.31p13.2p13.1p12.3p12.2p12.1p11.23p11.22p11.21p11.1q11q12q13.11q13.12q13.13q13.2q13.3q14.1q14.2q14.3q15q21.1q21.2q21.31q21.32q21.33q22q23.1q23.2q23.3q24.11q24.12q24.13q24.21q24.22q24.23q24.31q24.32q24.3349.2 Mb49.4 Mb49.6 Mb49.8 Mb50 MbKMT2D: 49,018,975–49,060,794, reverse strandKMT2DRHEBL1: 49,064,675–49,070,127, reverse strandRHEBL1DHH: 49,086,656–49,094,807, reverse strandDHHLMBR1L: 49,096,550–49,110,900, reverse strandLMBR1LTUBA1B: 49,127,780–49,131,398, reverse strandTUBA1BTUBA1A: 49,184,146–49,189,324, reverse strandTUBA1ATUBA1C: 49,188,736–49,274,600, forward strandTUBA1CPRPH: 49,295,141–49,298,686, forward strandPRPHTROAP: 49,323,165–49,331,735, forward strandTROAPC1QL4: 49,332,409–49,337,227, reverse strandC1QL4DNAJC22: 49,345,607–49,357,546, forward strandDNAJC22SPATS2: 49,366,240–49,528,438, forward strandSPATS2KCNH3: 49,539,030–49,558,337, forward strandKCNH3MCRS1: 49,556,544–49,568,150, reverse strandMCRS1PRPF40B: 49,568,218–49,644,666, forward strandPRPF40BFAM186B: 49,582,885–49,605,639, reverse strandFAM186BFMNL3: 49,636,499–49,708,165, reverse strandFMNL3TMBIM6: 49,707,725–49,764,935, forward strandTMBIM6NCKAP5L: 49,790,615–49,828,750, reverse strandNCKAP5LBCDIN3D: 49,836,043–49,843,133, reverse strandBCDIN3DFAIM2: 49,866,896–49,904,217, reverse strandFAIM2AQP2: 49,950,736–49,958,881, forward strandAQP2AQP5: 49,961,228–49,965,682, forward strandAQP5AQP6: 49,967,194–49,977,152, forward strandAQP6RACGAP1: 49,976,923–50,033,136, reverse strandRACGAP1Diagram of KCNH3: 15 exons on the forward strand of chromosome 12Exon 1: 49,539,030–49,539,492, 463 basesExon 2: 49,540,899–49,541,132, 234 basesExon 3: 49,541,630–49,541,764, 135 basesExon 4: 49,542,706–49,542,839, 134 basesExon 5: 49,543,275–49,543,518, 244 basesExon 6: 49,543,915–49,544,072, 158 basesExon 7: 49,544,175–49,544,382, 208 basesExon 8: 49,548,895–49,549,173, 279 basesExon 9: 49,549,441–49,549,640, 200 basesExon 10: 49,550,080–49,550,329, 250 basesExon 11: 49,554,337–49,554,554, 218 basesExon 12: 49,555,620–49,555,951, 332 basesExon 13: 49,556,370–49,556,476, 107 basesExon 14: 49,557,183–49,557,259, 77 basesExon 15: 49,557,354–49,558,337, 984 bases12468101214155′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 4 kb of the gene's 19.3 kb; 3,252 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.). KCNH3 gene: potassium voltage-gated channel subfamily H member 3. Retrieved 16 October 2026, from https://dantelabs.com/genes/kcnh3

Vancouver

Dante Labs. KCNH3 gene: potassium voltage-gated channel subfamily H member 3 [Internet]. [cited 16 October 2026]. Available from: https://dantelabs.com/genes/kcnh3

One test. A lifetime of answers.

From $449Free shipping · Results in 6–8 weeks

Get my Genome Test