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GeneBe

8-1548627-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_001346810.2(DLGAP2):c.174C>T(p.Asp58=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000044 in 1,523,714 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000043 ( 0 hom. )

Consequence

DLGAP2
NM_001346810.2 splice_region, synonymous

Scores

2
Splicing: ADA: 0.0001406
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.564
Variant links:
Genes affected
DLGAP2 (HGNC:2906): (DLG associated protein 2) The product of this gene is a membrane-associated protein that may play a role in synapse organization and signalling in neuronal cells. This gene is biallelically expressed in the brain, however, only the paternal allele is expressed in the testis (PMID:18055845). Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jun 2014]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.56).
BP6
Variant 8-1548627-C-T is Benign according to our data. Variant chr8-1548627-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 2658291.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=0.564 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DLGAP2NM_001346810.2 linkuse as main transcriptc.174C>T p.Asp58= splice_region_variant, synonymous_variant 5/15 ENST00000637795.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DLGAP2ENST00000637795.2 linkuse as main transcriptc.174C>T p.Asp58= splice_region_variant, synonymous_variant 5/155 NM_001346810.2
DLGAP2ENST00000421627.7 linkuse as main transcriptc.171C>T p.Asp57= splice_region_variant, synonymous_variant 5/155 Q9P1A6-1
DLGAP2ENST00000612087.1 linkuse as main transcriptc.-67C>T splice_region_variant, 5_prime_UTR_variant 2/115 P1
DLGAP2ENST00000520901.5 linkuse as main transcript upstream_gene_variant 1

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152120
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.000118
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000490
AC:
8
AN:
163244
Hom.:
0
AF XY:
0.0000557
AC XY:
5
AN XY:
89840
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000105
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000430
AC:
59
AN:
1371594
Hom.:
0
Cov.:
35
AF XY:
0.0000490
AC XY:
33
AN XY:
673330
show subpopulations
Gnomad4 AFR exome
AF:
0.0000650
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:
0.0000505
Gnomad4 OTH exome
AF:
0.0000527
GnomAD4 genome
AF:
0.0000526
AC:
8
AN:
152120
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74308
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000118
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000340

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 TuebingenSep 01, 2022DLGAP2: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.56
Cadd
Benign
13
Dann
Benign
0.92

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00014
dbscSNV1_RF
Benign
0.0020
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: rs769477449; hg19: chr8-1496793; API