rs17681530

Positions:

• chr8-1539518-G-A

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BS1 BS2

The NM_001346810.2(DLGAP2):​c.173-9108G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00541 in 152,260 control chromosomes in the GnomAD database, including 23 homozygotes. 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: 𝑓 0.0054 (23 hom., cov: 32)
• Consequence: DLGAP2 NM_001346810.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.563

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]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.91).
• BS1: Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.00541 (824/152260) while in subpopulation AMR AF= 0.0467 (715/15300). AF 95% confidence interval is 0.0439. There are 23 homozygotes in gnomad4. There are 411 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
• BS2: High Homozygotes in GnomAd4 at 23 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
DLGAP2	NM_001346810.2	c.173-9108G>A		intron_variant		ENST00000637795.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DLGAP2	ENST00000637795.2	c.173-9108G>A		intron_variant		5	NM_001346810.2
DLGAP2	ENST00000421627.7	c.170-9108G>A		intron_variant		5
DLGAP2	ENST00000612087.1	c.-68-9108G>A		intron_variant		5		P1

Frequencies

GnomAD3 genomes AF: 0.00536 AC: 816 AN: 152142 Hom.: 22 Cov.: 32

Gnomad AFR AF: 0.00159

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0463

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00349

Gnomad SAS AF: 0.00104

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000132

Gnomad OTH AF: 0.00525

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.00541 AC: 824 AN: 152260 Hom.: 23 Cov.: 32 AF XY: 0.00552 AC XY: 411 AN XY: 74432

Gnomad4 AFR AF: 0.00159

Gnomad4 AMR AF: 0.0467

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00349

Gnomad4 SAS AF: 0.00104

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000132

Gnomad4 OTH AF: 0.00520

Alfa AF: 0.0166 Hom.: 15

Bravo AF: 0.0108

Asia WGS AF: 0.00751 AC: 26 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.91
CADD	Benign	1.0
DANN	Benign	0.38

Splicing

Name	Calibrated prediction	Score	Prediction
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

Other links and lift over

dbSNP: rs17681530; hg19: chr8-1487684;