Gene
PAX3
paired box 3
- HGNC 8617↗(opens in a new tab)
- Ensembl gene ENSG00000135903↗(opens in a new tab)
- NCBI Gene 5077↗(opens in a new tab)
Summary
- Cytogenetic location
- 2q36.1
- Coordinates
- Chromosome 2: 222,199,887–222,298,998 (GRCh38)
- Exons
- 9 exons across 99.1 kb
- Protein
- 484 amino acids
- Also known as
- HUP2, PAX-3
- Previous symbols
- WS1
- MANE Select transcript
- ENST00000392070.7NM_181458.4
- Locus type
- gene with protein product
- Very high
- Confident
- Low
- Very low
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Waardenburg Syndrome
A group of conditions (types 1 to 4) causing hearing loss and pigment changes of the hair, skin and eyes, caused by genes such as PAX3, MITF, SOX10, EDNRB and EDN3.
- ClinGen rates the link definitive
- 4 GenCC submitters rate it definitive or strong
How PAX3 is laid out
- Coding sequence
- Untranslated region
- Intron
- Direction of transcription
- Known disease-causing sites
- Stretches short reads find hard
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 3.4 kb of the gene's 99.1 kb; 1,455 of those bases code for the protein.
How a genome test reads PAX3
101
positions in PAX3 where ClinVar classes a change as pathogenic or likely pathogenic
None of them falls in a region short reads find hard.
A whole genome covers all 99.1 kb of PAX3, introns included, not only the 3.4 kb of exons.
Genes linked to the same conditions
Traits linked to PAX3
The Human Phenotype Ontology lists these as features of the rare conditions PAX3 can cause. Each trait's page lists the other genes linked to it.
Abnormality of head or neck
- Collapsed nostrils
- Corners of eye widely separated
- Epicanthus inversus
- Monobrow
- Prominent nasal bridge
- Prominent nasal tip
- Short opening between the eyelids
- White eyebrow
Show 25 more traits
- White eyelashes
- Wide nasal bridge
- Abnormality of the face
- Abnormally small head
- Big lower jaw
- Decreased nasal size
- Decreased size of maxilla
- Depressed nasal bridge
- Downward slanting of the opening between the eyelids
- Flat face
- Flat nose
- Narrow face
- Narrow mouth
- Narrow nasal bridge
- Narrow opening between the eyelids
- Short nose
- Tented mouth
- Thick eyebrow
- Unopened tear duct
- Underdeveloped tissue around nostril
- Cleft palate
- Cleft upper lip
- Cleft of the mouth
- Smooth philtrum
- Zygomatic flattening
Abnormality of the eye
- Blue eyes
- Abnormality of tear production
- Abnormality of the eye
- Abnormality of vision
- Different colored eyes
- Wide-set eyes
- Cross-eyed
- Drooping upper eyelid
Show 2 more traits
Abnormality of the integument
- Partial absent skin pigmentation
- Premature graying of hair
- Loss of hair color
- Patchy loss of skin color
- White hair
- White part of hair above forehead
- Abnormality of the hair
- Axillary pterygium
Show 1 more trait
External links
Gene records
Transcript
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.
- GenCC and ClinGen, released 2026-10-16: which conditions the gene is linked to, and how strongly.
- The ACMG secondary findings list, SF v3.2.
- ClinVar and the GIAB stratifications: known disease-causing sites, and the regions short reads find hard.
- The Human Phenotype Ontology, release 2026-09-01: the traits linked to the gene. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
Cite this page
Dante Labs. (n.d.). PAX3 gene: paired box 3. Retrieved 17 October 2026, from https://dantelabs.com/genes/pax3
Dante Labs. PAX3 gene: paired box 3 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/pax3
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