Genetic Variant DLG2:p.Glu872Gly (chr11-83469205-T-C) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001142699.3(DLG2):c.2615A>G(p.Glu872Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000374 in 1,604,586 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

DLG2
NM_001142699.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.67

Variant links:

Genes affected

DLG2 (HGNC:2901): (discs large MAGUK scaffold protein 2) This gene encodes a member of the membrane-associated guanylate kinase (MAGUK) family. The encoded protein forms a heterodimer with a related family member that 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. Additional transcript variants have been described, but their full-length nature is not known. [provided by RefSeq, Dec 2008]

DLG2 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAdExome4 at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DLG2	NM_001142699.3 link	c.2615A>G	p.Glu872Gly	missense_variant	Exon 25 of 28	ENST00000376104.7	NP_001136171.1	Q15700-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DLG2	ENST00000376104.7 link	c.2615A>G	p.Glu872Gly	missense_variant	Exon 25 of 28	1	NM_001142699.3	ENSP00000365272.2		Q15700-2

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152042

Hom.:

Cov.:

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:

0.000193

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

GnomAD3 exomes

AF:

0.0000247

AC:

AN:

243150

Hom.:

AF XY:

0.0000227

AC XY:

AN XY:

132140

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000341

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000344

AC:

AN:

1452428

Hom.:

Cov.:

AF XY:

0.00000277

AC XY:

AN XY:

722208

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000127

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152158

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000194

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000189

ExAC

AF:

0.0000331

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 20, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.2615A>G (p.E872G) alteration is located in exon 25 (coding exon 23) of the DLG2 gene. This alteration results from a A to G substitution at nucleotide position 2615, causing the glutamic acid (E) at amino acid position 872 to be replaced by a glycine (G). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.55

BayesDel_addAF

Uncertain

0.079

BayesDel_noAF

Pathogenic

0.18

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.32

.;T;.;.;.;.;.;T;T;T;T;.

Eigen

Pathogenic

0.81

Eigen_PC

Pathogenic

0.78

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Pathogenic

0.98

D;D;D;D;D;D;D;D;D;D;D;D

M_CAP

Uncertain

0.12

MetaRNN

Uncertain

0.73

D;D;D;D;D;D;D;D;D;D;D;D

MetaSVM

Benign

-0.30

MutationAssessor

Uncertain

2.7

.;M;.;.;.;.;.;.;.;.;.;.

PrimateAI

Uncertain

0.72

PROVEAN

Pathogenic

-5.9

D;D;D;.;.;D;D;D;D;D;D;D

REVEL

Pathogenic

0.65

Sift

Uncertain

0.0030

D;D;D;.;.;D;D;D;D;D;D;D

Sift4G

Benign

0.064

T;T;T;.;.;T;T;T;T;T;T;.

Polyphen

0.97, 1.0, 1.0, 0.98, 0.97

.;D;.;.;.;D;D;D;D;D;D;.

Vest4

0.86

MutPred

0.49

.;Gain of catalytic residue at A766 (P = 0.0205);.;.;.;.;.;.;.;.;.;.;

MVP

0.82

MPC

1.8

ClinPred

0.87

GERP RS

5.7

Varity_R

0.61

gMVP

0.90

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.13

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over