Genetic Variant NM_004999.4:c.1473+10A>G (chr6-75859003-A-G) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_004999.4(MYO6):c.1473+10A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000147 in 1,363,912 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 Likely benign (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000015 ( 0 hom. )

Consequence

MYO6
NM_004999.4 intron

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.332

Publications

0 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: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.69).

BP6

Variant 6-75859003-A-G is Benign according to our data. Variant chr6-75859003-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 227672.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYO6	NM_004999.4 link	c.1473+10A>G		intron_variant	Intron 14 of 34	ENST00000369977.8	NP_004990.3	Q9UM54-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYO6	ENST00000369977.8 link	c.1473+10A>G		intron_variant	Intron 14 of 34	1	NM_004999.4	ENSP00000358994.3		Q9UM54-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000417

AC:

AN:

239788

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000560

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000147

AC:

AN:

1363912

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

683532

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31498

American (AMR)

AF:

0.00

AC:

AN:

44184

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25400

East Asian (EAS)

AF:

0.0000256

AC:

AN:

39086

South Asian (SAS)

AF:

0.00

AC:

AN:

83562

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52740

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5580

European-Non Finnish (NFE)

AF:

9.76e-7

AC:

AN:

1024846

Other (OTH)

AF:

0.00

AC:

AN:

57016

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

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

Cov.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Mar 14, 2016

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

c.1473+10A>G in intron 14 of MYO6: This variant is not expected to have clinical significance because it does not alter an amino acid residue and is not located within the splice consensus sequence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.69

CADD

Benign

(source)

DANN

Benign

0.75

PhyloP100

0.33

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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over