rs9959365

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001386795.1(DTNA):​c.1821G>A​(p.Ala607Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00191 in 1,614,162 control chromosomes in the GnomAD database, including 56 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0098 ( 33 hom., cov: 33)
Exomes 𝑓: 0.0011 ( 23 hom. )

Consequence

DTNA
NM_001386795.1 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: -3.10
Variant links:
Genes affected
DTNA (HGNC:3057): (dystrobrevin alpha) The protein encoded by this gene belongs to the dystrobrevin subfamily of the dystrophin family. This protein is a component of the dystrophin-associated protein complex (DPC), which consists of dystrophin and several integral and peripheral membrane proteins, including dystroglycans, sarcoglycans, syntrophins and alpha- and beta-dystrobrevin. The DPC localizes to the sarcolemma and its disruption is associated with various forms of muscular dystrophy. Mutations in this gene are associated with left ventricular noncompaction with congenital heart defects. Multiple alternatively spliced transcript variants encoding different isoforms have been identified for this gene. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant 18-34875316-G-A is Benign according to our data. Variant chr18-34875316-G-A is described in ClinVar as [Benign]. Clinvar id is 46418.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr18-34875316-G-A is described in Lovd as [Likely_benign].
BP7
Synonymous conserved (PhyloP=-3.1 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00976 (1486/152290) while in subpopulation AFR AF= 0.0343 (1427/41556). AF 95% confidence interval is 0.0329. There are 33 homozygotes in gnomad4. There are 691 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1486 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DTNANM_001386795.1 linkc.1821G>A p.Ala607Ala synonymous_variant Exon 18 of 23 ENST00000444659.6 NP_001373724.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DTNAENST00000444659.6 linkc.1821G>A p.Ala607Ala synonymous_variant Exon 18 of 23 5 NM_001386795.1 ENSP00000405819.2 Q9Y4J8-17A0A7P0TBH9

Frequencies

GnomAD3 genomes
AF:
0.00968
AC:
1473
AN:
152172
Hom.:
31
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0341
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00281
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00670
GnomAD3 exomes
AF:
0.00263
AC:
662
AN:
251302
Hom.:
15
AF XY:
0.00200
AC XY:
272
AN XY:
135872
show subpopulations
Gnomad AFR exome
AF:
0.0340
Gnomad AMR exome
AF:
0.00243
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000163
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000114
Gnomad OTH exome
AF:
0.00147
GnomAD4 exome
AF:
0.00109
AC:
1597
AN:
1461872
Hom.:
23
Cov.:
31
AF XY:
0.000952
AC XY:
692
AN XY:
727240
show subpopulations
Gnomad4 AFR exome
AF:
0.0339
Gnomad4 AMR exome
AF:
0.00208
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000126
Gnomad4 SAS exome
AF:
0.000209
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.000183
Gnomad4 OTH exome
AF:
0.00225
GnomAD4 genome
AF:
0.00976
AC:
1486
AN:
152290
Hom.:
33
Cov.:
33
AF XY:
0.00928
AC XY:
691
AN XY:
74452
show subpopulations
Gnomad4 AFR
AF:
0.0343
Gnomad4 AMR
AF:
0.00281
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00663
Alfa
AF:
0.000953
Hom.:
1
Bravo
AF:
0.0109
Asia WGS
AF:
0.00289
AC:
10
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.000119

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
Jun 03, 2014
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

May 24, 2012
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

3.1% (115/3738) of Afr Amer chrom in ESP -

Left ventricular noncompaction 1 Benign:2
Nov 25, 2019
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jan 30, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:1
-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
CADD
Benign
0.23
DANN
Benign
0.43

Splicing

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: rs9959365; hg19: chr18-32455280; COSMIC: COSV52014349; API