Gene
ERCC8
ERCC excision repair 8, CSA ubiquitin ligase complex subunit
- HGNC 3439↗(opens in a new tab)
- Ensembl gene ENSG00000049167↗(opens in a new tab)
- NCBI Gene 1161↗(opens in a new tab)
Summary
- Cytogenetic location
- 5q12.1
- Coordinates
- Chromosome 5: 60,866,454–60,945,070 (GRCh38)
- Exons
- 12 exons across 78.6 kb
- Protein
- 396 amino acids
- Inheritance
- Autosomal recessive
- Also known as
- CSA
- Previous symbols
- CKN1
- MANE Select transcript
- ENST00000676185.1NM_000082.4
- 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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DNA Repair Disease
- Autosomal recessive
A disease that has its basis in the disruption of DNA repair.
- ClinGen rates the link definitive
- 7 GenCC submitters rate it definitive or strong
Inheritance
- Autosomal recessive
- It takes a changed copy from each parent. With one, you are a carrier and usually unaffected; when both parents are carriers, each child has a one-in-four chance of inheriting two.
How ERCC8 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 9.4 kb of the gene's 78.6 kb; 1,191 of those bases code for the protein.
How a genome test reads ERCC8
89
positions in ERCC8 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 78.6 kb of ERCC8, introns included, not only the 9.4 kb of exons.
Genes linked to the same conditions
- APTXaprataxinShares 1 condition
- BRCA1BRCA1 DNA repair associatedShares 1 condition
- BRCA2BRCA2 DNA repair associatedShares 1 condition
- BRIP1BRCA1 interacting DNA helicase 1Shares 1 condition
- COA7cytochrome c oxidase assembly factor 7Shares 1 condition
- DCLRE1CDNA cross-link repair 1CShares 1 condition
- DDB2damage specific DNA binding protein 2Shares 1 condition
- ERCC1ERCC excision repair 1, endonuclease non-catalytic subunitShares 1 condition
- ERCC2ERCC excision repair 2, TFIIH core complex helicase subunitShares 1 condition
- ERCC3ERCC excision repair 3, TFIIH core complex helicase subunitShares 1 condition
- ERCC4ERCC excision repair 4, endonuclease catalytic subunitShares 1 condition
- ERCC5ERCC excision repair 5, endonucleaseShares 1 condition
Traits linked to ERCC8
The Human Phenotype Ontology lists these as features of the rare conditions ERCC8 can cause. Each trait's page lists the other genes linked to it.
Abnormality of the nervous system
- Global developmental delay
- Abnormal myelination
- Absent brainstem auditory responses
- Astrocytosis
- Intellectual disability
- Neurodevelopmental delay
- Patchy demyelination of subcortical white matter
- Ventriculomegaly
Show 29 more traits
- Abnormal gait
- Abnormality of peripheral nerve conduction
- Absent reflexes
- Ataxia
- Balance impairment
- Brain degeneration
- Cerebral white matter atrophy
- Degeneration of cerebellum
- Degeneration of cerebrum
- Demyelinating peripheral neuropathy
- Epilepsy
- Increased reflexes
- Intellectual disability, mild
- Intention tremor
- Peripheral axonal neuropathy
- Peripheral neuropathy
- Tremor
- Unsteady walk
- Cognitive impairment
- Difficulty sleeping
- Worsening neurological symptoms
- Abnormal auditory evoked potentials
- Abnormal peripheral myelination
- Decreased nerve conduction velocity
- Dementia
- Difficulty articulating speech
- Normal pressure hydrocephalus
- Peripheral dysmyelination
- Peripheral nerve disease
Abnormality of the eye
- Clouding of the lens of the eye
- Deeply set eye
- Pigmentary retinopathy
- Retinal pigment epithelial mottling
- Decreased tear secretion
- Optic atrophy
- Retinal atrophy
- Visual impairment
Show 16 more traits
- Absence of eyeballs
- Clouding of the lens of the eye at birth
- Cross-eyed
- Extreme sensitivity of the eyes to light
- Farsightedness
- Involuntary, rapid, rhythmic eye movements
- Uveitis
- Abnormally small eyeball
- Breakdown of light-sensitive cells in back of eye
- Bulging of eye lens
- Cornea of eye less than 10mm in diameter
- Corneal ulceration
- Optic disc pallor
- Retina degeneration
- Abnormality of visual evoked potentials
- Opacification of the corneal stroma
Abnormality of head or neck
- Prominent nose
- Thin dental enamel
- Abnormal facial shape
- Abnormally small head
- Abnormal dentition
- Big lower jaw
- Dental cavities
- Long face
Show 14 more traits
- Decreased width of baby teeth
- Delayed eruption of baby teeth
- Failure of development of all teeth
- Narrow nose
- Pink eye
- Progressively abnormally small cranium
- Short chin
- Wide gaps between baby teeth
- Dry eye syndrome
- Bad bite
- Decreased amount of facial fat
- Decreased size of teeth
- Increased thickness of skull cap
- Slender nose
Abnormality of the cardiovascular system
- High blood pressure
- Persistent left superior vena cava
- Premature coronary artery disease
- Vascular calcification
- Increased blood pressure
- Bulge in wall of root of large artery that carries blood away from heart
- Disease of the heart muscle
- Increased spleen size
Show 3 more traits
Abnormality of the genitourinary system
- Undescended testes
- Lack of bladder control due to nervous system injury
- Hydronephrosis
- Hydroureter
- Renal failure
- Urinary retention
- Absent kidney on one side
- Small kidneys
Show 2 more traits
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.). ERCC8 gene: ERCC excision repair 8, CSA ubiquitin ligase complex subunit. Retrieved 16 October 2026, from https://dantelabs.com/genes/ercc8
Dante Labs. ERCC8 gene: ERCC excision repair 8, CSA ubiquitin ligase complex subunit [Internet]. [cited 16 October 2026]. Available from: https://dantelabs.com/genes/ercc8
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