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Gene

HMG20B

high mobility group 20B

Summary

Cytogenetic location
19p13.3
Coordinates
Chromosome 19: 3,572,944–3,579,083 (GRCh38)
Exons
10 exons across 6.1 kb
Protein
317 amino acids
Also known as
SOXL, HMGX2, BRAF35, SMARCE1r, BRAF25, HMGXB2
MANE Select transcript
ENST00000333651.11NM_006339.3
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 HMG20B yet. The test sequences your whole genome, so your data includes it all the same.

How HMG20B is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 19, with a bracket where HMG20B sits. HMG20B and 28 genes near it on chromosome 19, from 3,076,014 to 4,076,013.Chromosome 1919p13.3p13.3p13.2p13.13p13.12p13.11p12p11q11q12q13.11q13.12q13.13q13.2q13.31q13.32q13.33q13.41q13.42q13.433.2 Mb3.4 Mb3.6 Mb3.8 Mb4 MbGNA11: 3,094,320–3,124,001, forward strandGNA11GNA15: 3,136,027–3,163,749, forward strandGNA15S1PR4: 3,172,346–3,180,332, forward strandS1PR4NCLN: 3,185,563–3,209,575, forward strandNCLNCELF5: 3,224,636–3,297,076, forward strandCELF5NFIC: 3,314,403–3,469,217, forward strandNFICSMIM24: 3,473,986–3,480,557, reverse strandSMIM24SMIM44: 3,482,110–3,483,441, reverse strandSMIM44DOHH: 3,490,821–3,507,203, reverse strandDOHHFZR1: 3,506,270–3,538,334, forward strandFZR1MFSD12: 3,538,261–3,574,290, reverse strandMFSD12TEKTIP1: 3,539,169–3,544,030, forward strandHMG20B: 3,572,944–3,579,083, forward strandHMG20BGIPC3: 3,585,474–3,593,541, forward strandGIPC3TBXA2R: 3,594,506–3,606,900, reverse strandTBXA2RCACTIN: 3,610,643–3,626,833, reverse strandCACTINPIP5K1C: 3,630,181–3,700,506, reverse strandPIP5K1CTJP3: 3,708,310–3,750,813, forward strandTJP3APBA3: 3,750,772–3,761,700, reverse strandAPBA3MRPL54: 3,761,841–3,769,033, forward strandMRPL54RAX2: 3,769,089–3,772,238, reverse strandRAX2MATK: 3,777,969–3,802,129, reverse strandMATKZFR2: 3,804,024–3,869,055, reverse strandZFR2ATCAY: 3,879,864–3,928,082, forward strandATCAYNMRK2: 3,932,994–3,943,081, forward strandNMRK2DAPK3: 3,958,453–3,971,130, reverse strandDAPK3EEF2: 3,976,044–3,985,479, reverse strandEEF2PIAS4: 4,007,690–4,039,386, forward strandPIAS4ZBTB7A: 4,041,419–4,067,636, reverse strandZBTB7ADiagram of HMG20B: 10 exons on the forward strand of chromosome 19Exon 1: 3,572,944–3,572,994, 51 basesExon 2: 3,573,292–3,573,347, 56 basesExon 3: 3,573,692–3,573,800, 109 basesExon 4: 3,574,383–3,574,586, 204 basesExon 5: 3,575,540–3,575,660, 121 basesExon 6: 3,576,261–3,576,307, 47 basesExon 7: 3,576,553–3,576,625, 73 basesExon 8: 3,576,892–3,577,107, 216 basesExon 9: 3,577,981–3,578,113, 133 basesExon 10: 3,578,509–3,579,083, 575 bases123456789105′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 1.6 kb of the gene's 6.1 kb; 954 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.). HMG20B gene: high mobility group 20B. Retrieved 16 October 2026, from https://dantelabs.com/genes/hmg20b

Vancouver

Dante Labs. HMG20B gene: high mobility group 20B [Internet]. [cited 16 October 2026]. Available from: https://dantelabs.com/genes/hmg20b

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