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Gene

GTF3A

general transcription factor IIIA

Summary

Cytogenetic location
13q12.2
Coordinates
Chromosome 13: 27,424,619–27,435,823 (GRCh38)
Exons
9 exons across 11.2 kb
Protein
365 amino acids
Also known as
TFIIIA, AP2
MANE Select transcript
ENST00000381140.10NM_002097.3
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 GTF3A yet. The test sequences your whole genome, so your data includes it all the same.

How GTF3A is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 13, with a bracket where GTF3A sits. GTF3A and 8 genes near it on chromosome 13, from 26,930,221 to 27,930,220.Chromosome 1313q12.2p13p12p11.2p11.1q11q12.11q12.12q12.13q12.2q12.3q13.1q13.2q13.3q14.11q14.12q14.13q14.2q14.3q21.1q21.2q21.31q21.32q21.33q22.1q22.2q22.3q31.1q31.2q31.3q32.1q32.2q32.3q33.1q33.2q33.3q3427 Mb27.2 Mb27.4 Mb27.6 Mb27.8 MbUSP12: 27,066,146–27,171,885, reverse strandUSP12RPL21: 27,251,283–27,266,550, forward strandRPL21RASL11A: 27,270,786–27,275,192, forward strandRASL11AGTF3A: 27,424,619–27,435,823, forward strandGTF3AMTIF3: 27,429,823–27,450,613, reverse strandMTIF3LNX2: 27,545,911–27,621,354, reverse strandLNX2POLR1D: 27,620,742–27,744,237, forward strandPOLR1DGSX1: 27,792,483–27,794,768, forward strandGSX1PDX1: 27,919,994–27,926,313, forward strandPDX1Diagram of GTF3A: 9 exons on the forward strand of chromosome 13Exon 1: 27,424,619–27,424,938, 320 basesExon 2: 27,427,092–27,427,192, 101 basesExon 3: 27,429,870–27,429,966, 97 basesExon 4: 27,430,533–27,430,621, 89 basesExon 5: 27,432,731–27,432,804, 74 basesExon 6: 27,434,139–27,434,219, 81 basesExon 7: 27,434,805–27,435,034, 230 basesExon 8: 27,435,133–27,435,192, 60 basesExon 9: 27,435,433–27,435,823, 391 bases1234567895′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 1.4 kb of the gene's 11.2 kb; 1,098 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.). GTF3A gene: general transcription factor IIIA. Retrieved 17 October 2026, from https://dantelabs.com/genes/gtf3a

Vancouver

Dante Labs. GTF3A gene: general transcription factor IIIA [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/gtf3a

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