17-81511890-G-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_001614.5(ACTG1):​c.363+13C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.453 in 1,613,646 control chromosomes in the GnomAD database, including 171,136 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.45 ( 15748 hom., cov: 33)
Exomes 𝑓: 0.45 ( 155388 hom. )

Consequence

ACTG1
NM_001614.5 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: -0.936
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 17-81511890-G-T is Benign according to our data. Variant chr17-81511890-G-T is described in ClinVar as [Benign]. Clinvar id is 44147.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr17-81511890-G-T is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.831 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ACTG1NM_001614.5 linkc.363+13C>A intron_variant Intron 3 of 5 ENST00000573283.7 NP_001605.1 P63261
ACTG1NM_001199954.3 linkc.363+13C>A intron_variant Intron 3 of 5 NP_001186883.1 P63261
ACTG1NR_037688.3 linkn.435+13C>A intron_variant Intron 3 of 6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ACTG1ENST00000573283.7 linkc.363+13C>A intron_variant Intron 3 of 5 5 NM_001614.5 ENSP00000458435.1 P63261

Frequencies

GnomAD3 genomes
AF:
0.448
AC:
68121
AN:
151982
Hom.:
15728
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.399
Gnomad AMI
AF:
0.658
Gnomad AMR
AF:
0.471
Gnomad ASJ
AF:
0.470
Gnomad EAS
AF:
0.852
Gnomad SAS
AF:
0.626
Gnomad FIN
AF:
0.419
Gnomad MID
AF:
0.503
Gnomad NFE
AF:
0.429
Gnomad OTH
AF:
0.455
GnomAD3 exomes
AF:
0.498
AC:
124455
AN:
250080
Hom.:
33035
AF XY:
0.501
AC XY:
67961
AN XY:
135670
show subpopulations
Gnomad AFR exome
AF:
0.396
Gnomad AMR exome
AF:
0.505
Gnomad ASJ exome
AF:
0.469
Gnomad EAS exome
AF:
0.875
Gnomad SAS exome
AF:
0.617
Gnomad FIN exome
AF:
0.420
Gnomad NFE exome
AF:
0.435
Gnomad OTH exome
AF:
0.465
GnomAD4 exome
AF:
0.453
AC:
662233
AN:
1461546
Hom.:
155388
Cov.:
74
AF XY:
0.459
AC XY:
333405
AN XY:
727076
show subpopulations
Gnomad4 AFR exome
AF:
0.400
Gnomad4 AMR exome
AF:
0.504
Gnomad4 ASJ exome
AF:
0.468
Gnomad4 EAS exome
AF:
0.820
Gnomad4 SAS exome
AF:
0.611
Gnomad4 FIN exome
AF:
0.423
Gnomad4 NFE exome
AF:
0.427
Gnomad4 OTH exome
AF:
0.466
GnomAD4 genome
AF:
0.448
AC:
68176
AN:
152100
Hom.:
15748
Cov.:
33
AF XY:
0.454
AC XY:
33724
AN XY:
74342
show subpopulations
Gnomad4 AFR
AF:
0.399
Gnomad4 AMR
AF:
0.471
Gnomad4 ASJ
AF:
0.470
Gnomad4 EAS
AF:
0.852
Gnomad4 SAS
AF:
0.629
Gnomad4 FIN
AF:
0.419
Gnomad4 NFE
AF:
0.429
Gnomad4 OTH
AF:
0.462
Alfa
AF:
0.436
Hom.:
16265
Bravo
AF:
0.452
Asia WGS
AF:
0.695
AC:
2417
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:10
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:6
Mar 07, 2016
Eurofins Ntd Llc (ga)
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 07, 2012
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

363+13C>A in Intron 03 of ACTG1: This variant is not expected to have clinical s ignificance because it is not located within the conserved splice consensus sequ ence and has been identified in 43.2% (3019/6996) of European American chromosom es from a broad population by the NHLBI Exome Sequencing Project (http://evs.gs. washington.edu/EVS; dbSNP rs9910792). -

Oct 15, 2015
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Autosomal dominant nonsyndromic hearing loss 20 Benign:1
Jul 14, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:1
-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

Baraitser-winter syndrome 2 Benign:1
Jul 14, 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
Feb 04, 2025
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
-0.85
CADD
Benign
0.013
DANN
Benign
0.64
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.3

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.

Other links and lift over

dbSNP: rs9910792; hg19: chr17-79478916; COSMIC: COSV59509699; COSMIC: COSV59509699; API