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GeneBe

4-99342789-T-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The NM_000669.5(ADH1C):c.828+6A>T variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0022 in 1,610,308 control chromosomes in the GnomAD database, including 10 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0024 ( 1 hom., cov: 33)
Exomes 𝑓: 0.0022 ( 9 hom. )

Consequence

ADH1C
NM_000669.5 splice_donor_region, intron

Scores

2
Splicing: ADA: 0.00001616
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.15
Variant links:
Genes affected
ADH1C (HGNC:251): (alcohol dehydrogenase 1C (class I), gamma polypeptide) This gene encodes class I alcohol dehydrogenase, gamma subunit, which is a member of the alcohol dehydrogenase family. Members of this enzyme family metabolize a wide variety of substrates, including ethanol, retinol, other aliphatic alcohols, hydroxysteroids, and lipid peroxidation products. Class I alcohol dehydrogenase, consisting of several homo- and heterodimers of alpha, beta, and gamma subunits, exhibits high activity for ethanol oxidation to acetaldehyde, thus playing a major role in ethanol catabolism. Three genes encoding alpha, beta and gamma subunits are tandemly organized in a genomic segment as a gene cluster. An association between ADH1C polymorphism and alcohol dependence has not been established. [provided by RefSeq, Sep 2019]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.63).
BP6
Variant 4-99342789-T-A is Benign according to our data. Variant chr4-99342789-T-A is described in ClinVar as [Likely_benign]. Clinvar id is 2654965.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ADH1CNM_000669.5 linkuse as main transcriptc.828+6A>T splice_donor_region_variant, intron_variant ENST00000515683.6
ADH1CNR_133005.2 linkuse as main transcriptn.855+50A>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ADH1CENST00000515683.6 linkuse as main transcriptc.828+6A>T splice_donor_region_variant, intron_variant 1 NM_000669.5 P1

Frequencies

GnomAD3 genomes
AF:
0.00237
AC:
361
AN:
152204
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000386
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00177
Gnomad ASJ
AF:
0.00749
Gnomad EAS
AF:
0.000385
Gnomad SAS
AF:
0.000620
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00415
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00129
AC:
324
AN:
250496
Hom.:
1
AF XY:
0.00134
AC XY:
182
AN XY:
135418
show subpopulations
Gnomad AFR exome
AF:
0.000308
Gnomad AMR exome
AF:
0.000811
Gnomad ASJ exome
AF:
0.00348
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000817
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.00192
Gnomad OTH exome
AF:
0.00213
GnomAD4 exome
AF:
0.00218
AC:
3182
AN:
1457986
Hom.:
9
Cov.:
71
AF XY:
0.00215
AC XY:
1556
AN XY:
725402
show subpopulations
Gnomad4 AFR exome
AF:
0.000269
Gnomad4 AMR exome
AF:
0.00123
Gnomad4 ASJ exome
AF:
0.00441
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00106
Gnomad4 FIN exome
AF:
0.000168
Gnomad4 NFE exome
AF:
0.00249
Gnomad4 OTH exome
AF:
0.00234
GnomAD4 genome
AF:
0.00238
AC:
362
AN:
152322
Hom.:
1
Cov.:
33
AF XY:
0.00208
AC XY:
155
AN XY:
74476
show subpopulations
Gnomad4 AFR
AF:
0.000385
Gnomad4 AMR
AF:
0.00177
Gnomad4 ASJ
AF:
0.00749
Gnomad4 EAS
AF:
0.000386
Gnomad4 SAS
AF:
0.000621
Gnomad4 FIN
AF:
0.0000942
Gnomad4 NFE
AF:
0.00415
Gnomad4 OTH
AF:
0.00237
Alfa
AF:
0.00380
Hom.:
0
Bravo
AF:
0.00230

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJul 01, 2022ADH1C: BP4 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.63
Cadd
Benign
13
Dann
Benign
0.69

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000016
dbscSNV1_RF
Benign
0.020
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs553651224; hg19: chr4-100263946; API