Genetic Variant NM_001321075.3:c.1878C>T (chr17-7191991-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001321075.3(DLG4):c.1878C>T(p.Cys626Cys) variant causes a synonymous change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

DLG4
NM_001321075.3 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.60

Publications

0 publications found

Variant links:

Genes affected

DLG4 (HGNC:2903): (discs large MAGUK scaffold protein 4) This gene encodes a member of the membrane-associated guanylate kinase (MAGUK) family. It heteromultimerizes with another MAGUK protein, DLG2, and is recruited into NMDA receptor and potassium channel clusters. These two MAGUK proteins may interact at postsynaptic sites to form a multimeric scaffold for the clustering of receptors, ion channels, and associated signaling proteins. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

DLG4 Gene-Disease associations (from GenCC):

complex neurodevelopmental disorder
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
intellectual developmental disorder 62
Inheritance: AD Classification: STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P

DLG4 links:

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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;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.46).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DLG4	NM_001321075.3 link	c.1878C>T	p.Cys626Cys	synonymous_variant	Exon 18 of 20	ENST00000399506.9	NP_001308004.1	P78352-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DLG4	ENST00000399506.9 link	c.1878C>T	p.Cys626Cys	synonymous_variant	Exon 18 of 20	2	NM_001321075.3	ENSP00000382425.2	P78352-1
DLG4	ENST00000648172.9 link	c.2007C>T	p.Cys669Cys	synonymous_variant	Exon 20 of 22			ENSP00000497806.3	P78352-2
DLG4	ENST00000648896.1 link	c.1977C>T	p.Cys659Cys	synonymous_variant	Exon 18 of 20			ENSP00000497546.1	A0A3B3ISQ5
DLG4	ENST00000649520.1 link	c.1698C>T	p.Cys566Cys	synonymous_variant	Exon 17 of 19			ENSP00000497647.1	B7Z647
DLG4	ENST00000491753.2 link	n.1996-633C>T		intron_variant	Intron 19 of 20	2		ENSP00000467897.2	B7Z3U2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000729

AC:

AN:

137124

AF XY:

0.0000134

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000145

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1295506

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

633862

African (AFR)

AF:

0.00

AC:

AN:

27144

American (AMR)

AF:

0.00

AC:

AN:

24068

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

18314

East Asian (EAS)

AF:

0.00

AC:

AN:

33062

South Asian (SAS)

AF:

0.00

AC:

AN:

59980

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47698

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5060

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1027546

Other (OTH)

AF:

0.00

AC:

AN:

52634

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.46

CADD

Benign

(source)

DANN

Benign

0.91

PhyloP100

4.6

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.040

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over