rs372237310
Variant summary
Our verdict is Pathogenic. Variant got 16 ACMG points: 16P and 0B. PVS1_ModeratePM2PP3_StrongPP5_Very_Strong
The NM_000082.4(ERCC8):c.1042-2A>G variant causes a splice acceptor change. The variant allele was found at a frequency of 0.00000137 in 1,459,780 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 2/2 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★★).
Frequency
Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )
Consequence
ERCC8
NM_000082.4 splice_acceptor
NM_000082.4 splice_acceptor
Scores
4
2
1
Splicing: ADA: 0.9999
2
Clinical Significance
Conservation
PhyloP100: 6.14
Genes affected
ERCC8 (HGNC:3439): (ERCC excision repair 8, CSA ubiquitin ligase complex subunit) This gene encodes a WD repeat protein, which interacts with Cockayne syndrome type B (CSB) protein and with p44 protein, a subunit of the RNA polymerase II transcription factor IIH. Mutations in this gene have been identified in patients with hereditary disease Cockayne syndrome (CS). CS cells are abnormally sensitive to ultraviolet radiation and are defective in the repair of transcriptionally active genes. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2014]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 16 ACMG points.
PVS1
?
Splicing variant, NOT destroyed by nmd, known LOF gene, truncates exone, which is 0.06717045 fraction of the gene. Cryptic splice site detected, with MaxEntScore 5.1, offset of -26, new splice context is: tatcagctcttgatccacAGtat. Cryptic site results in frameshift change. If cryptic site found is not functional and variant results in exon loss, it results in inframe change.
PM2
?
Very rare variant in population databases, with high coverage;
PP3
?
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. No scorers claiming Uncertain. No scorers claiming Benign.
PP5
?
Variant 5-60887522-T-C is Pathogenic according to our data. Variant chr5-60887522-T-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 551594.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
ERCC8 | NM_000082.4 | c.1042-2A>G | splice_acceptor_variant | ENST00000676185.1 | |||
ERCC8 | NM_001007233.3 | c.868-2A>G | splice_acceptor_variant | ||||
ERCC8 | NM_001290285.2 | c.583-2A>G | splice_acceptor_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
ERCC8 | ENST00000676185.1 | c.1042-2A>G | splice_acceptor_variant | NM_000082.4 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 33
GnomAD3 genomes
?
Cov.:
33
GnomAD3 exomes AF: 0.00000796 AC: 2AN: 251386Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135860
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GnomAD4 exome AF: 0.00000137 AC: 2AN: 1459780Hom.: 0 Cov.: 29 AF XY: 0.00000275 AC XY: 2AN XY: 726376
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GnomAD4 genome ? Cov.: 33
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ClinVar
Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not provided Pathogenic:1
Likely pathogenic, criteria provided, single submitter | clinical testing | Invitae | Jun 24, 2023 | In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. ClinVar contains an entry for this variant (Variation ID: 551594). This variant has not been reported in the literature in individuals affected with ERCC8-related conditions. This variant is present in population databases (rs372237310, gnomAD 0.002%). This sequence change affects an acceptor splice site in intron 10 of the ERCC8 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in ERCC8 are known to be pathogenic (PMID: 29572252). - |
Cockayne syndrome type 1 Pathogenic:1
Likely pathogenic, criteria provided, single submitter | clinical testing | Counsyl | Apr 19, 2017 | - - |
Cockayne syndrome type 1;C3553298:UV-sensitive syndrome 2 Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Fulgent Genetics, Fulgent Genetics | Oct 31, 2018 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
Cadd
Pathogenic
Dann
Uncertain
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
MutationTaster
Benign
D;D;D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
dbscSNV1_RF
Pathogenic
SpliceAI score (max)
Details are displayed if max score is > 0.2
DS_AG_spliceai
Position offset: 49
DS_AL_spliceai
Position offset: -2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at