NM_001080418.3:c.1881G>T

Variant names:

• chr1-34885511-C-A
• rs113637749
• NM_001080418.3:c.1881G>T

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_001080418.3(DLGAP3):​c.1881G>T​(p.Arg627Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. 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. Synonymous variant affecting the same amino acid position (i.e. R627R) has been classified as Benign.

• Frequency: Genomes: not found (cov: 33)
• Consequence: DLGAP3 NM_001080418.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.429
• Publications: 1 publications found

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]

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.54).
• BP7: Synonymous conserved (PhyloP=-0.429 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001080418.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DLGAP3	NM_001080418.3	MANE Select	c.1881G>T	p.Arg627Arg	synonymous	Exon 7 of 12	NP_001073887.1	O95886

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DLGAP3	ENST00000373347.6	TSL:5 MANE Select	c.1881G>T	p.Arg627Arg	synonymous	Exon 7 of 12	ENSP00000362444.1	O95886
	DLGAP3	ENST00000235180.4	TSL:2	c.1881G>T	p.Arg627Arg	synonymous	Exon 5 of 10	ENSP00000235180.4	O95886

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000420 AC: 1 AN: 237964 AF XY: 0.00

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: 0.00000936

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.54
CADD	Benign	9.1
DANN	Benign	0.88
PhyloP100		-0.43
Mutation Taster		=100/0	polymorphism

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

Other links and lift over

dbSNP: rs113637749; hg19: chr1-35351112;