rs78871677

chr11-77190774-G-Achr11-77190774-G-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_000260.4(MYO7A):c.3828G>A(p.Ser1276=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00423 in 1,597,292 control chromosomes in the GnomAD database, including 211 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. S1276S) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.022 ( 115 hom., cov: 32)

Exomes 𝑓: 0.0024 ( 96 hom. )

Consequence

MYO7A
NM_000260.4 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: -2.81

Variant links:

Genes affected

MYO7A (HGNC:7606): (myosin VIIA) This gene is a member of the myosin gene family. Myosins are mechanochemical proteins characterized by the presence of a motor domain, an actin-binding domain, a neck domain that interacts with other proteins, and a tail domain that serves as an anchor. This gene encodes an unconventional myosin with a very short tail. Defects in this gene are associated with the mouse shaker-1 phenotype and the human Usher syndrome 1B which are characterized by deafness, reduced vestibular function, and (in human) retinal degeneration. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2008]

MYO7A links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.77).

BP6

Variant 11-77190774-G-A is Benign according to our data. Variant chr11-77190774-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 43225.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr11-77190774-G-A is described in Lovd as [Benign].

BP7

Synonymous conserved (PhyloP=-2.81 with no splicing effect.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0731 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
MYO7A	NM_000260.4 linkuse as main transcript	c.3828G>A	p.Ser1276=	synonymous_variant	30/49	ENST00000409709.9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MYO7A	ENST00000409709.9 linkuse as main transcript	c.3828G>A	p.Ser1276=	synonymous_variant	30/49	1	NM_000260.4		Q13402-1

Frequencies

GnomAD3 genomes

AF:

0.0219

AC:

3323

AN:

151786

Hom.:

115

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0754

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0102

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000209

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.000294

Gnomad OTH

AF:

0.0139

GnomAD3 exomes

AF:

0.00504

AC:

1116

AN:

221260

Hom.:

AF XY:

0.00385

AC XY:

461

AN XY:

119664

show subpopulations

Gnomad AFR exome

AF:

0.0725

Gnomad AMR exome

AF:

0.00435

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000262

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000312

Gnomad OTH exome

AF:

0.00378

GnomAD4 exome

AF:

0.00237

AC:

3422

AN:

1445388

Hom.:

Cov.:

AF XY:

0.00207

AC XY:

1482

AN XY:

717266

show subpopulations

Gnomad4 AFR exome

AF:

0.0781

Gnomad4 AMR exome

AF:

0.00468

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000205

Gnomad4 FIN exome

AF:

0.0000576

Gnomad4 NFE exome

AF:

0.000239

Gnomad4 OTH exome

AF:

0.00523

GnomAD4 genome

AF:

0.0219

AC:

3327

AN:

151904

Hom.:

115

Cov.:

AF XY:

0.0212

AC XY:

1573

AN XY:

74214

show subpopulations

Gnomad4 AFR

AF:

0.0753

Gnomad4 AMR

AF:

0.0102

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000294

Gnomad4 OTH

AF:

0.0138

Alfa

AF:

0.00912

Hom.:

Bravo

AF:

0.0244

Asia WGS

AF:

0.00606

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:10

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:3

Benign, criteria provided, single submitter	clinical testing	GeneDx	Jun 23, 2016	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. -
Benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Oct 06, 2010	This variant is not expected to have clinical significance because it does not a lter an amino acid residue and is not located near a splice junction. In additio n, this variant has been identified with a minor allele frequency of 3% (Greinwa ld, unpublished data), identified in 3/17 (17.6%) Black probands in our lab, and was found as a homozygous variant in 2 individuals (Usher UMD), one of whom was homozygous for pathogenic MYO7A nonsense variant. -
Benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -

not provided

Benign:3

Benign, criteria provided, single submitter	clinical testing	Athena Diagnostics	Feb 15, 2019	- -
Benign, criteria provided, single submitter	clinical testing	ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories	Nov 22, 2023	- -
Benign, criteria provided, single submitter	clinical testing	Invitae	Jan 31, 2024	- -

Autosomal recessive nonsyndromic hearing loss 2

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

Autosomal dominant nonsyndromic hearing loss 11

Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Usher syndrome type 1B

Benign:1

Benign, no assertion criteria provided

clinical testing

Natera, Inc.

Sep 16, 2020

- -

Usher syndrome type 1

Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.77

Cadd

Benign

0.061

Dann

Benign

0.78

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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

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