dbSNP rs181443061: GNAL:p.Glu87Glu (chr18-11689824-G-A) – ACMG Classification: Benign (-19 pts)

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BA1

The NM_182978.4(GNAL):c.261G>A(p.Glu87Glu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00295 in 1,537,510 control chromosomes in the GnomAD database, including 118 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.016 ( 61 hom., cov: 33)

Exomes 𝑓: 0.0015 ( 57 hom. )

Consequence

GNAL
NM_182978.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.929

Variant links:

Genes affected

GNAL (HGNC:4388): (G protein subunit alpha L) This gene encodes a stimulatory G protein alpha subunit which mediates odorant signaling in the olfactory epithelium. This protein couples dopamine type 1 receptors and adenosine A2A receptors and is widely expressed in the central nervous system. Mutations in this gene have been associated with dystonia 25 and this gene is located in a susceptibility region for bipolar disorder and schizophrenia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2013]

GNAL links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.41).

BP6

Variant 18-11689824-G-A is Benign according to our data. Variant chr18-11689824-G-A is described in ClinVar as [Benign]. Clinvar id is 416013.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.929 with no splicing effect.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0534 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GNAL	NM_182978.4 link	c.261G>A	p.Glu87Glu	synonymous_variant	Exon 1 of 12	ENST00000334049.11	NP_892023.1	P38405-2
GNAL	XM_006722324.4 link	c.261G>A	p.Glu87Glu	synonymous_variant	Exon 1 of 6		XP_006722387.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GNAL	ENST00000334049.11 link	c.261G>A	p.Glu87Glu	synonymous_variant	Exon 1 of 12	1	NM_182978.4	ENSP00000334051.5		P38405-2
GNAL	ENST00000585590.1 link	n.135G>A		non_coding_transcript_exon_variant	Exon 1 of 2	2

Frequencies

GnomAD3 genomes

AF:

0.0159

AC:

2410

AN:

151976

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0553

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00570

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00637

Gnomad NFE

AF:

0.0000736

Gnomad OTH

AF:

0.0125

GnomAD3 exomes

AF:

0.00268

AC:

375

AN:

139942

Hom.:

AF XY:

0.00209

AC XY:

163

AN XY:

77926

show subpopulations

Gnomad AFR exome

AF:

0.0651

Gnomad AMR exome

AF:

0.00195

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000925

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000209

Gnomad OTH exome

AF:

0.00246

GnomAD4 exome

AF:

0.00153

AC:

2120

AN:

1385426

Hom.:

Cov.:

AF XY:

0.00132

AC XY:

906

AN XY:

685384

show subpopulations

Gnomad4 AFR exome

AF:

0.0579

Gnomad4 AMR exome

AF:

0.00277

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000115

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000817

Gnomad4 OTH exome

AF:

0.00400

GnomAD4 genome

AF:

0.0159

AC:

2416

AN:

152084

Hom.:

Cov.:

AF XY:

0.0155

AC XY:

1149

AN XY:

74356

show subpopulations

Gnomad4 AFR

AF:

0.0553

Gnomad4 AMR

AF:

0.00570

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000736

Gnomad4 OTH

AF:

0.0123

Alfa

AF:

0.00604

Hom.:

Bravo

AF:

0.0182

Asia WGS

AF:

0.00205

AC:

AN:

3426

ClinVar

Significance: Benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Oct 09, 2018

GeneDx

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

GNAL-related disorder

Benign:1

Oct 22, 2019

PreventionGenetics, part of Exact Sciences

Significance: Benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Dystonic disorder

Benign:1

Jan 07, 2020

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.41

CADD

Benign

DANN

Uncertain

0.98

Splicing

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