18-34875261-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_001386795.1(DTNA):​c.1766G>T​(p.Arg589Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000031 in 1,613,790 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R589H) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

DTNA
NM_001386795.1 missense

Scores

2
9
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.12
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]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.39197594).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DTNANM_001386795.1 linkuse as main transcriptc.1766G>T p.Arg589Leu missense_variant 18/23 ENST00000444659.6 NP_001373724.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DTNAENST00000444659.6 linkuse as main transcriptc.1766G>T p.Arg589Leu missense_variant 18/235 NM_001386795.1 ENSP00000405819 P3Q9Y4J8-17

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152086
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1461704
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727132
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152086
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74306
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.48
BayesDel_addAF
Uncertain
0.019
T
BayesDel_noAF
Benign
-0.21
CADD
Pathogenic
29
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.56
.;.;.;.;.;D;D;T;.;.;.
Eigen
Uncertain
0.60
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.98
D;D;D;D;.;D;.;D;D;D;D
M_CAP
Benign
0.021
T
MetaRNN
Benign
0.39
T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.4
.;.;.;.;.;L;L;.;.;.;.
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D
PrimateAI
Uncertain
0.65
T
PROVEAN
Uncertain
-3.9
D;.;.;.;.;D;D;.;D;.;D
REVEL
Benign
0.15
Sift
Benign
0.10
T;.;.;.;.;T;T;.;D;.;D
Sift4G
Uncertain
0.019
D;D;T;D;D;D;D;D;D;D;D
Polyphen
0.85
P;.;.;.;P;D;D;.;.;D;.
Vest4
0.57
MutPred
0.22
.;.;.;.;.;Loss of MoRF binding (P = 0.0253);Loss of MoRF binding (P = 0.0253);.;.;.;.;
MVP
0.46
MPC
0.46
ClinPred
0.99
D
GERP RS
5.5
Varity_R
0.41
gMVP
0.41

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: rs200246467; hg19: chr18-32455225; API