rs769554911

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_002471.4(MYH6):c.3526A>T(p.Met1176Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000486 in 1,439,370 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000049 ( 0 hom. )

Consequence

MYH6
NM_002471.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.74

Publications

1 publications found

Variant links:

Genes affected

MYH6 (HGNC:7576): (myosin heavy chain 6) Cardiac muscle myosin is a hexamer consisting of two heavy chain subunits, two light chain subunits, and two regulatory subunits. This gene encodes the alpha heavy chain subunit of cardiac myosin. The gene is located approximately 4kb downstream of the gene encoding the beta heavy chain subunit of cardiac myosin. Mutations in this gene cause familial hypertrophic cardiomyopathy and atrial septal defect 3. [provided by RefSeq, Feb 2017]

MYH6 Gene-Disease associations (from GenCC):

hypertrophic cardiomyopathy 14
Inheritance: AD Classification: STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Laboratory for Molecular Medicine
Keppen-Lubinsky syndrome
Inheritance: AD Classification: MODERATE Submitted by: Illumina
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
atrial septal defect 3
Inheritance: AD Classification: LIMITED Submitted by: G2P
dilated cardiomyopathy
Inheritance: AD Classification: LIMITED Submitted by: ClinGen
hypertrophic cardiomyopathy
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

MYH6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.16217434).

BS2

High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYH6	NM_002471.4 link	c.3526A>T	p.Met1176Leu	missense_variant	Exon 26 of 39	ENST00000405093.9	NP_002462.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYH6	ENST00000405093.9 link	c.3526A>T	p.Met1176Leu	missense_variant	Exon 26 of 39	5	NM_002471.4	ENSP00000386041.3		P13533

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000180

AC:

AN:

221620

AF XY:

0.0000247

show subpopulations

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:

0.00

Gnomad OTH exome

AF:

0.000182

GnomAD4 exome

AF:

0.00000486

AC:

AN:

1439370

Hom.:

Cov.:

AF XY:

0.00000840

AC XY:

AN XY:

714364

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32886

American (AMR)

AF:

0.00

AC:

AN:

42424

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25816

East Asian (EAS)

AF:

0.00

AC:

AN:

38878

South Asian (SAS)

AF:

0.0000705

AC:

AN:

85084

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51658

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4114

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1099132

Other (OTH)

AF:

0.0000168

AC:

AN:

59378

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.461

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000844

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Hypertrophic cardiomyopathy 14

Uncertain:1

May 01, 2016

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces methionine with leucine at codon 1176 of the MYH6 protein (p.Met1176Leu). The methionine residue is weakly conserved and there is a small physicochemical difference between methionine and leucine. In summary, this variant is a rare missense change with uncertain impact on protein function. It is not expected to cause disease, but the available evidence is currently insufficient to prove that conclusively. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). While this variant is present in population databases (rs769554911), the frequency information is unreliable, as metrics indicate poor data quality at this position in the ExAC database. This variant has not been reported in the literature in an individual with a MYH6-related disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.088

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.47

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.34

T;T

Eigen

Benign

-0.69

Eigen_PC

Benign

-0.40

FATHMM_MKL

Uncertain

0.87

LIST_S2

Benign

0.76

T;.

M_CAP

Benign

0.032

MetaRNN

Benign

0.16

T;T

MetaSVM

Benign

-0.97

MutationAssessor

Benign

-1.5

N;N

PhyloP100

2.7

PrimateAI

Uncertain

0.78

PROVEAN

Benign

0.030

N;N

REVEL

Benign

0.12

Sift

Benign

1.0

T;T

Sift4G

Benign

1.0

T;T

Polyphen

0.0

B;B

Vest4

0.41

MutPred

0.39

Gain of methylation at K1175 (P = 0.0323);Gain of methylation at K1175 (P = 0.0323);

MVP

0.56

MPC

1.6

ClinPred

0.14

GERP RS

4.2

Varity_R

0.14

gMVP

0.44

Mutation Taster

=91/9

polymorphism

(source)

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

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rs769554911

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over