chr1-34905129-A-AC

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP6_Moderate

The NM_001080418.3(DLGAP3):​c.254dupG​(p.Ser86fs) variant causes a frameshift change. The variant allele was found at a frequency of 0.0000725 in 1,559,274 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000079 ( 0 hom. )

Consequence

DLGAP3
NM_001080418.3 frameshift

Scores

Not classified

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 5.89

Publications

1 publications found
Variant links:
Genes affected
DLGAP3 (HGNC:30368): (DLG associated protein 3) Predicted to enable PDZ domain binding activity; molecular adaptor activity; and scaffold protein binding activity. Predicted to be involved in protein-containing complex assembly and regulation of postsynaptic neurotransmitter receptor activity. Predicted to be located in synapse. Predicted to be part of postsynaptic density. Predicted to be active in several cellular components, including cholinergic synapse; glutamatergic synapse; and neuromuscular junction. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP6
Variant 1-34905129-A-AC is Benign according to our data. Variant chr1-34905129-A-AC is described in ClinVar as [Likely_benign]. Clinvar id is 757628.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DLGAP3NM_001080418.3 linkc.254dupG p.Ser86fs frameshift_variant Exon 3 of 12 ENST00000373347.6 NP_001073887.1 O95886
DLGAP3XM_011541879.3 linkc.254dupG p.Ser86fs frameshift_variant Exon 4 of 13 XP_011540181.1 O95886
DLGAP3XM_047426631.1 linkc.254dupG p.Ser86fs frameshift_variant Exon 3 of 12 XP_047282587.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DLGAP3ENST00000373347.6 linkc.254dupG p.Ser86fs frameshift_variant Exon 3 of 12 5 NM_001080418.3 ENSP00000362444.1 O95886
DLGAP3ENST00000235180.4 linkc.254dupG p.Ser86fs frameshift_variant Exon 1 of 10 2 ENSP00000235180.4 O95886
DLGAP3ENST00000495979.1 linkn.*35dupG downstream_gene_variant 3

Frequencies

GnomAD3 genomes
AF:
0.0000135
AC:
2
AN:
148224
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000134
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
GnomAD2 exomes
AF:
0.000515
AC:
80
AN:
155282
AF XY:
0.000167
show subpopulations
Gnomad AFR exome
AF:
0.000578
Gnomad AMR exome
AF:
0.000332
Gnomad ASJ exome
AF:
0.000523
Gnomad EAS exome
AF:
0.0000832
Gnomad FIN exome
AF:
0.000132
Gnomad NFE exome
AF:
0.000889
Gnomad OTH exome
AF:
0.000952
GnomAD4 exome
AF:
0.0000787
AC:
111
AN:
1411050
Hom.:
0
Cov.:
33
AF XY:
0.0000789
AC XY:
55
AN XY:
697458
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
32380
American (AMR)
AF:
0.000106
AC:
4
AN:
37808
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25100
East Asian (EAS)
AF:
0.0000269
AC:
1
AN:
37146
South Asian (SAS)
AF:
0.0000498
AC:
4
AN:
80358
European-Finnish (FIN)
AF:
0.00190
AC:
94
AN:
49404
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5534
European-Non Finnish (NFE)
AF:
0.00000645
AC:
7
AN:
1084900
Other (OTH)
AF:
0.0000171
AC:
1
AN:
58420
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.271
Heterozygous variant carriers
0
13
26
38
51
64
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000135
AC:
2
AN:
148224
Hom.:
0
Cov.:
32
AF XY:
0.0000277
AC XY:
2
AN XY:
72176
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
39902
American (AMR)
AF:
0.000134
AC:
2
AN:
14954
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3426
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5024
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4646
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10124
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
310
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
66892
Other (OTH)
AF:
0.00
AC:
0
AN:
2050
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000781
Hom.:
0

ClinVar

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

Submissions by phenotype

not provided Benign:1
Jul 06, 2018
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
PhyloP100
5.9
Mutation Taster
=15/185
disease causing (fs/PTC)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs762874947; hg19: chr1-35370730; COSMIC: COSV52391071; COSMIC: COSV52391071; API