Skip to content
Use your HSA or FSA funds

Gene

HACD4

3-hydroxyacyl-CoA dehydratase 4

Summary

Cytogenetic location
9p21.3
Coordinates
Chromosome 9: 20,999,509–21,031,640 (GRCh38)
Exons
7 exons across 32.1 kb
Protein
232 amino acids
Also known as
Em:AL662879.1, OTTHUMG00000021016
Previous symbols
PTPLAD2
MANE Select transcript
ENST00000495827.3NM_001010915.5
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 HACD4 yet. The test sequences your whole genome, so your data includes it all the same.

How HACD4 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 9, with a bracket where HACD4 sits. HACD4 and 19 genes near it on chromosome 9, from 20,515,575 to 21,515,574.Chromosome 99p21.3p24.3p24.2p24.1p23p22.3p22.2p22.1p21.3p21.2p21.1p13.3p13.2p13.1p12p11.2p11.1q11q12q13q21.11q21.12q21.13q21.2q21.31q21.32q21.33q22.1q22.2q22.31q22.32q22.33q31.1q31.2q31.3q32q33.1q33.2q33.3q34.11q34.12q34.13q34.2q34.320.6 Mb20.8 Mb21 Mb21.2 Mb21.4 MbMLLT3: 20,341,669–20,622,526, reverse strandMLLT3FOCAD: 20,658,305–20,999,329, forward strandFOCADHACD4: 20,999,509–21,031,640, reverse strandHACD4IFNB1: 21,077,104–21,077,942, reverse strandIFNB1IFNW1: 21,140,632–21,141,832, reverse strandIFNW1IFNA21: 21,165,637–21,166,660, reverse strandIFNA21IFNA4: 21,186,618–21,187,587, reverse strandIFNA4IFNA7: 21,201,469–21,202,205, reverse strandIFNA7IFNA10: 21,206,181–21,207,143, reverse strandIFNA10IFNA16: 21,216,373–21,217,311, reverse strandIFNA17: 21,227,243–21,228,222, reverse strandIFNA14: 21,239,002–21,240,005, reverse strandIFNA5: 21,304,326–21,305,313, reverse strandIFNA5KLHL9: 21,320,024–21,335,404, reverse strandKLHL9IFNA6: 21,350,253–21,350,956, reverse strandIFNA6IFNA13: 21,367,372–21,368,057, reverse strandIFNA13IFNA2: 21,384,255–21,385,398, reverse strandIFNA2IFNA8: 21,409,117–21,410,185, forward strandIFNA8IFNA1: 21,440,439–21,441,316, forward strandIFNA1IFNE: 21,480,839–21,482,313, reverse strandIFNEDiagram of HACD4: 7 exons on the reverse strand of chromosome 9Exon 7: 20,999,509–21,007,119, 7,611 basesExon 6: 21,008,021–21,008,146, 126 basesExon 5: 21,011,589–21,011,695, 107 basesExon 4: 21,015,898–21,016,010, 113 basesExon 3: 21,026,596–21,026,723, 128 basesExon 2: 21,029,295–21,029,398, 104 basesExon 1: 21,031,553–21,031,640, 88 bases76543215′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 8.3 kb of the gene's 32.1 kb; 699 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.). HACD4 gene: 3-hydroxyacyl-CoA dehydratase 4. Retrieved 17 October 2026, from https://dantelabs.com/genes/hacd4

Vancouver

Dante Labs. HACD4 gene: 3-hydroxyacyl-CoA dehydratase 4 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/hacd4

One test. A lifetime of answers.

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

Get my Genome Test