rs55662069

Variant names:

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_004999.4(MYO6):c.2534C>T(p.Thr845Ile) variant causes a missense change. The variant allele was found at a frequency of 0.0042 in 1,613,346 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0031 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0043 ( 15 hom. )

Consequence

MYO6
NM_004999.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:10

Conservation

PhyloP100: 3.82

Publications

8 publications found

Variant links:

Genes affected

MYO6 (HGNC:7605): (myosin VI) This gene encodes a reverse-direction motor protein that moves toward the minus end of actin filaments and plays a role in intracellular vesicle and organelle transport. The protein consists of a motor domain containing an ATP- and an actin-binding site and a globular tail which interacts with other proteins. This protein maintains the structural integrity of inner ear hair cells and mutations in this gene cause non-syndromic autosomal dominant and recessive hearing loss. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Jul 2014]

MYO6 Gene-Disease associations (from GenCC):

autosomal dominant nonsyndromic hearing loss 22
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), PanelApp Australia
nonsyndromic genetic hearing loss
Inheritance: AD, AR Classification: DEFINITIVE, MODERATE Submitted by: ClinGen, G2P
autosomal recessive nonsyndromic hearing loss 37
Inheritance: AR Classification: STRONG, MODERATE Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), Ambry Genetics
autosomal dominant nonsyndromic hearing loss
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
progressive sensorineural hearing loss-hypertrophic cardiomyopathy syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

MYO6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.011608064).

BP6

Variant 6-75886870-C-T is Benign according to our data. Variant chr6-75886870-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 45144.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.00305 (464/152104) while in subpopulation NFE AF = 0.00547 (372/67996). AF 95% confidence interval is 0.00501. There are 0 homozygotes in GnomAd4. There are 224 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAdExome4 at 15 AD,AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYO6	NM_004999.4 link	c.2534C>T	p.Thr845Ile	missense_variant	Exon 25 of 35	ENST00000369977.8	NP_004990.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYO6	ENST00000369977.8 link	c.2534C>T	p.Thr845Ile	missense_variant	Exon 25 of 35	1	NM_004999.4	ENSP00000358994.3

Frequencies

GnomAD3 genomes

AF:

0.00305

AC:

464

AN:

151986

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000943

Gnomad AMI

AF:

0.00329

Gnomad AMR

AF:

0.00157

Gnomad ASJ

AF:

0.00519

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000947

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00547

Gnomad OTH

AF:

0.00335

GnomAD2 exomes

AF:

0.00256

AC:

644

AN:

251344

AF XY:

0.00231

show subpopulations

Gnomad AFR exome

AF:

0.000739

Gnomad AMR exome

AF:

0.00139

Gnomad ASJ exome

AF:

0.00437

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.000324

Gnomad NFE exome

AF:

0.00457

Gnomad OTH exome

AF:

0.00196

GnomAD4 exome

AF:

0.00432

AC:

6317

AN:

1461242

Hom.:

Cov.:

AF XY:

0.00412

AC XY:

2997

AN XY:

726956

show subpopulations

African (AFR)

AF:

0.000628

AC:

AN:

33456

American (AMR)

AF:

0.00159

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00440

AC:

115

AN:

26124

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39610

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.000412

AC:

AN:

53360

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00529

AC:

5884

AN:

1111598

Other (OTH)

AF:

0.00331

AC:

200

AN:

60366

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.446

Heterozygous variant carriers

310

620

929

1239

1549

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

216

432

648

864

1080

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00305

AC:

464

AN:

152104

Hom.:

Cov.:

AF XY:

0.00301

AC XY:

224

AN XY:

74354

show subpopulations

African (AFR)

AF:

0.000940

AC:

AN:

41476

American (AMR)

AF:

0.00157

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00519

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4812

European-Finnish (FIN)

AF:

0.0000947

AC:

AN:

10558

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00547

AC:

372

AN:

67996

Other (OTH)

AF:

0.00331

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.502

Heterozygous variant carriers

103

129

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00449

Hom.:

Bravo

AF:

0.00304

TwinsUK

AF:

0.00297

AC:

ALSPAC

AF:

0.00441

AC:

ESP6500AA

AF:

0.00136

AC:

ESP6500EA

AF:

0.00616

AC:

ExAC

AF:

0.00242

AC:

294

Asia WGS

AF:

0.000289

AC:

AN:

3476

EpiCase

AF:

0.00513

EpiControl

AF:

0.00409

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:10

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Benign:5

May 01, 2025

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

MYO6: BS2 -

Oct 31, 2019

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 18212818, 30180840) -

Jan 24, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Genome Diagnostics Laboratory, University Medical Center Utrecht

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

not specified

Benign:2

May 14, 2015

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

p.Thr845Ile in exon 25 of MYO6: This variant is not expected to have clinical si gnificance because it has been identified in 0.4% (266/66676) of European chromo somes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org; dbSNP rs55662069). -

Oct 20, 2015

Eurofins Ntd Llc (ga)

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Autosomal recessive nonsyndromic hearing loss 37

Uncertain:1

Apr 27, 2017

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases did not allow this variant to be ruled in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -

Obesity

Benign:1

Mar 20, 2020

Cambridge Genomics Laboratory, East Genomic Laboratory Hub, NHS Genomic Medicine Service

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Autosomal dominant nonsyndromic hearing loss 22

Benign:1

Jun 20, 2017

Illumina Laboratory Services, Illumina

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign. -

MYO6-related disorder

Benign:1

Dec 10, 2020

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

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

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.10

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.29

T;.;.;.;T;T

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.59

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.89

D;.;D;D;D;D

M_CAP

Benign

0.032

MetaRNN

Benign

0.012

T;T;T;T;T;T

MetaSVM

Uncertain

0.39

MutationAssessor

Benign

1.7

.;L;L;L;.;.

PhyloP100

3.8

PrimateAI

Uncertain

0.66

PROVEAN

Uncertain

-2.5

N;N;N;.;N;.

REVEL

Uncertain

0.48

Sift

Benign

0.039

D;D;D;.;D;.

Sift4G

Uncertain

0.056

T;D;T;D;D;T

Polyphen

0.99, 0.68

.;D;P;D;.;.

Vest4

0.44

MVP

0.94

MPC

0.28

ClinPred

0.030

GERP RS

5.9

gMVP

0.52

Mutation Taster

=99/1

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over