rs145211830

Variant names:

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_001614.5(ACTG1):c.18C>T(p.Ala6Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00186 in 1,613,960 control chromosomes in the GnomAD database, including 7 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0019 ( 7 hom. )

Consequence

ACTG1
NM_001614.5 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: -0.0810

Variant links:

Genes affected

ACTG1 (HGNC:144): (actin gamma 1) Actins are highly conserved proteins that are involved in various types of cell motility and in maintenance of the cytoskeleton. Three main groups of actin isoforms have been identified in vertebrate animals: alpha, beta, and gamma. The alpha actins are found in muscle tissues and are a major constituent of the contractile apparatus. The beta and gamma actins co-exist in most cell types as components of the cytoskeleton and as mediators of internal cell motility. Actin gamma 1, encoded by this gene, is a cytoplasmic actin found in all cell types. Mutations in this gene are associated with DFNA20/26, a subtype of autosomal dominant non-syndromic sensorineural progressive hearing loss and also with Baraitser-Winter syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2017]

ACTG1 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 17-81512337-G-A is Benign according to our data. Variant chr17-81512337-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 227165.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr17-81512337-G-A is described in Lovd as [Likely_benign].

BP7

Synonymous conserved (PhyloP=-0.081 with no splicing effect.

BS1

Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00129 (196/152270) while in subpopulation NFE AF= 0.0024 (163/68018). AF 95% confidence interval is 0.0021. There are 0 homozygotes in gnomad4. There are 81 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High AC in GnomAd4 at 196 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ACTG1	NM_001614.5 link	c.18C>T	p.Ala6Ala	synonymous_variant	Exon 2 of 6	ENST00000573283.7	NP_001605.1	P63261
ACTG1	NM_001199954.3 link	c.18C>T	p.Ala6Ala	synonymous_variant	Exon 2 of 6		NP_001186883.1	P63261
ACTG1	NR_037688.3 link	n.90C>T		non_coding_transcript_exon_variant	Exon 2 of 7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ACTG1	ENST00000573283.7 link	c.18C>T	p.Ala6Ala	synonymous_variant	Exon 2 of 6	5	NM_001614.5	ENSP00000458435.1		P63261

Frequencies

GnomAD3 genomes

AF:

0.00129

AC:

196

AN:

152152

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.000659

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00240

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.00109

AC:

275

AN:

251362

Hom.:

AF XY:

0.00116

AC XY:

157

AN XY:

135886

show subpopulations

Gnomad AFR exome

AF:

0.000246

Gnomad AMR exome

AF:

0.0000867

Gnomad ASJ exome

AF:

0.0000993

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00108

Gnomad FIN exome

AF:

0.000739

Gnomad NFE exome

AF:

0.00188

Gnomad OTH exome

AF:

0.000652

GnomAD4 exome

AF:

0.00192

AC:

2805

AN:

1461690

Hom.:

Cov.:

AF XY:

0.00190

AC XY:

1378

AN XY:

727162

show subpopulations

Gnomad4 AFR exome

AF:

0.000448

Gnomad4 AMR exome

AF:

0.0000894

Gnomad4 ASJ exome

AF:

0.000191

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00107

Gnomad4 FIN exome

AF:

0.000825

Gnomad4 NFE exome

AF:

0.00230

Gnomad4 OTH exome

AF:

0.00151

GnomAD4 genome

AF:

0.00129

AC:

196

AN:

152270

Hom.:

Cov.:

AF XY:

0.00109

AC XY:

AN XY:

74458

show subpopulations

Gnomad4 AFR

AF:

0.000481

Gnomad4 AMR

AF:

0.000196

Gnomad4 ASJ

AF:

0.000288

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000208

Gnomad4 FIN

AF:

0.000659

Gnomad4 NFE

AF:

0.00240

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.00168

Hom.:

Bravo

AF:

0.00111

EpiCase

AF:

0.00213

EpiControl

AF:

0.00124

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:2

Jul 25, 2017

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

p.Ala6Ala in exon 2 of ACTG1: This variant is not expected to have clinical sign ificance because it does not alter an amino acid residue and is not located with in the splice consensus sequence. It has been identified in 0.2% (251/ 126672) o f European chromosomes by the Exome Genome Aggregation Database (http://gnomad.b roadinstitute.org/; dbSNP rs145211830). -

Dec 11, 2017

Genetic Services Laboratory, University of Chicago

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

not provided

Benign:2

Jul 20, 2018

GeneDx

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Jun 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

ACTG1: BP4, BP7, BS1 -

Autosomal dominant nonsyndromic hearing loss 20

Benign:1

Dec 05, 2021

Genome-Nilou Lab

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Autosomal dominant nonsyndromic hearing loss 20;C3281235:Baraitser-winter syndrome 2

Benign:1

Jan 15, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Baraitser-winter syndrome 2

Benign:1

Dec 05, 2021

Genome-Nilou Lab

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

5.5

DANN

Benign

0.95

RBP_binding_hub_radar

0.92

RBP_regulation_power_radar

2.3

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

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