17-18159299-G-A

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_016239.4(MYO15A):c.9181G>A(p.Glu3061Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000158 in 1,614,000 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. E3061E) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00078 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000093 ( 0 hom. )

Consequence

MYO15A
NM_016239.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:3

Conservation

PhyloP100: 9.24

Publications

4 publications found

Variant links:

Genes affected

MYO15A (HGNC:7594): (myosin XVA) This gene encodes an unconventional myosin. This protein differs from other myosins in that it has a long N-terminal extension preceding the conserved motor domain. Studies in mice suggest that this protein is necessary for actin organization in the hair cells of the cochlea. Mutations in this gene have been associated with profound, congenital, neurosensory, nonsyndromal deafness. This gene is located within the Smith-Magenis syndrome region on chromosome 17. Read-through transcripts containing an upstream gene and this gene have been identified, but they are not thought to encode a fusion protein. Several alternatively spliced transcript variants have been described, but their full length sequences have not been determined. [provided by RefSeq, Jul 2008]

MYO15A Gene-Disease associations (from GenCC):

autosomal recessive nonsyndromic hearing loss 3
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), PanelApp Australia
nonsyndromic genetic hearing loss
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

MYO15A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.015765399).

BP6

Variant 17-18159299-G-A is Benign according to our data. Variant chr17-18159299-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 228972.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000782 (119/152122) while in subpopulation AFR AF = 0.0028 (116/41470). AF 95% confidence interval is 0.00238. There are 0 homozygotes in GnomAd4. There are 72 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYO15A	NM_016239.4 link	c.9181G>A	p.Glu3061Lys	missense_variant	Exon 54 of 66	ENST00000647165.2	NP_057323.3	Q9UKN7-1
MYO15A	XM_017024715.3 link	c.9184G>A	p.Glu3062Lys	missense_variant	Exon 52 of 64		XP_016880204.1
MYO15A	XM_017024714.3 link	c.9121G>A	p.Glu3041Lys	missense_variant	Exon 51 of 63		XP_016880203.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYO15A	ENST00000647165.2 link	c.9181G>A	p.Glu3061Lys	missense_variant	Exon 54 of 66		NM_016239.4	ENSP00000495481.1		Q9UKN7-1

Frequencies

GnomAD3 genomes

AF:

0.000783

AC:

119

AN:

152004

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00281

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000197

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000184

AC:

AN:

249540

AF XY:

0.000118

show subpopulations

Gnomad AFR exome

AF:

0.00271

Gnomad AMR exome

AF:

0.0000869

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000883

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000930

AC:

136

AN:

1461878

Hom.:

Cov.:

AF XY:

0.0000756

AC XY:

AN XY:

727234

show subpopulations

African (AFR)

AF:

0.00358

AC:

120

AN:

33480

American (AMR)

AF:

0.0000671

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000629

AC:

AN:

1112010

Other (OTH)

AF:

0.0000993

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.472

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.000782

AC:

119

AN:

152122

Hom.:

Cov.:

AF XY:

0.000968

AC XY:

AN XY:

74382

show subpopulations

African (AFR)

AF:

0.00280

AC:

116

AN:

41470

American (AMR)

AF:

0.000196

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4810

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10588

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67996

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.480

Heterozygous variant carriers

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:

0.000330

Hom.:

Bravo

AF:

0.000880

ESP6500AA

AF:

0.00238

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000207

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2Benign:2

May 04, 2020

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Sep 11, 2018

Eurofins Ntd Llc (ga)

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Aug 14, 2019

Athena Diagnostics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

May 02, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Uncertain:1

Dec 11, 2017

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Variant classified as Uncertain Significance - Favor Benign. The p.Glu3061Lys va riant in MYO15A has been previously reported by our laboratory in two individual s with hearing loss, but a variant affecting the second copy of the gene was not identified in either individual. This variant has been identified in 0.28% (66/ 23988) of African chromosomes by the Genome Aggregation Database (gnomAD, http:/ /gnomad.broadinstitute.org; dbSNP rs116833707). Although this variant has been s een in the general population, its frequency is not high enough to rule out a pa thogenic role. Computational prediction tools and conservation analysis do not p rovide strong support for or against an impact to the protein. In summary, while the clinical significance of the p.Glu3061Lys variant is uncertain, its frequen cy in the general population suggests that it is more likely to be benign. ACMG/ AMP Criteria applied: BS1_Supporting. -

MYO15A-related disorder

Benign:1

Aug 21, 2024

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

0.18

BayesDel_addAF

Benign

-0.16

BayesDel_noAF

Uncertain

0.0

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.022

T;T;T;.;.;.;.

Eigen

Benign

0.15

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Uncertain

0.88

LIST_S2

Uncertain

0.91

D;.;D;D;D;D;T

M_CAP

Uncertain

0.19

MetaRNN

Benign

0.016

T;T;T;T;T;T;T

MetaSVM

Uncertain

0.31

MutationAssessor

Benign

1.2

.;L;L;.;.;.;.

PhyloP100

9.2

PrimateAI

Uncertain

0.53

PROVEAN

Benign

-1.6

.;N;.;D;.;N;.

REVEL

Uncertain

0.47

Sift

Benign

0.42

.;T;.;T;.;T;.

Sift4G

Uncertain

0.0050

D;D;.;D;.;D;D

Polyphen

0.98

.;D;D;.;.;.;.

Vest4

0.34

MVP

0.86

ClinPred

0.078

GERP RS

4.9

PromoterAI

-0.023

Neutral

(source)

Varity_R

0.19

gMVP

0.21

Mutation Taster

=50/50

(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