Genetic Variant MYF6:p.Trp187Arg (chr12-80708563-T-A) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP6BS2

The NM_002469.3(MYF6):c.559T>A(p.Trp187Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000646 in 1,613,308 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00059 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00065 ( 1 hom. )

Consequence

MYF6
NM_002469.3 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 4.93

Publications

2 publications found

Variant links:

Genes affected

MYF6 (HGNC:7566): (myogenic factor 6) The protein encoded by this gene is a probable basic helix-loop-helix (bHLH) DNA binding protein involved in muscle differentiation. The encoded protein likely acts as a heterodimer with another bHLH protein. Defects in this gene are a cause of autosomal dominant centronuclear myopathy (ADCNM). [provided by RefSeq, May 2010]

MYF6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP6

Variant 12-80708563-T-A is Benign according to our data. Variant chr12-80708563-T-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 566144.

BS2

High AC in GnomAd4 at 89 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYF6	NM_002469.3 link	c.559T>A	p.Trp187Arg	missense_variant	Exon 2 of 3	ENST00000228641.4	NP_002460.1	P23409

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYF6	ENST00000228641.4 link	c.559T>A	p.Trp187Arg	missense_variant	Exon 2 of 3	1	NM_002469.3	ENSP00000228641.3		P23409

Frequencies

GnomAD3 genomes

AF:

0.000587

AC:

AN:

151672

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000967

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000953

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00102

Gnomad OTH

AF:

0.000959

GnomAD2 exomes

AF:

0.000660

AC:

166

AN:

251474

AF XY:

0.000647

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.000198

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00152

Gnomad NFE exome

AF:

0.00108

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.000652

AC:

953

AN:

1461514

Hom.:

Cov.:

AF XY:

0.000675

AC XY:

491

AN XY:

727060

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33464

American (AMR)

AF:

0.000134

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.000345

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39676

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00189

AC:

101

AN:

53376

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000735

AC:

817

AN:

1111782

Other (OTH)

AF:

0.000315

AC:

AN:

60366

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

109

163

218

272

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

110

<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:

0.000586

AC:

AN:

151794

Hom.:

Cov.:

AF XY:

0.000580

AC XY:

AN XY:

74190

show subpopulations

African (AFR)

AF:

0.0000964

AC:

AN:

41492

American (AMR)

AF:

0.000262

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3460

East Asian (EAS)

AF:

0.00

AC:

AN:

5124

South Asian (SAS)

AF:

0.00

AC:

AN:

4766

European-Finnish (FIN)

AF:

0.000953

AC:

AN:

10492

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00102

AC:

AN:

67864

Other (OTH)

AF:

0.000949

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

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:

0.000733

Hom.:

Bravo

AF:

0.000529

TwinsUK

AF:

0.000809

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.000454

AC:

ESP6500EA

AF:

0.000814

AC:

ExAC

AF:

0.000725

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.000654

EpiControl

AF:

0.00101

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 26, 2022

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.559T>A (p.W187R) alteration is located in exon 2 (coding exon 2) of the MYF6 gene. This alteration results from a T to A substitution at nucleotide position 559, causing the tryptophan (W) at amino acid position 187 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Autosomal dominant centronuclear myopathy

Benign:1

Jan 22, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.72

BayesDel_addAF

Uncertain

0.12

BayesDel_noAF

Pathogenic

0.37

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.67

Eigen

Uncertain

0.62

Eigen_PC

Uncertain

0.57

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.52

M_CAP

Pathogenic

0.47

MetaRNN

Uncertain

0.49

MetaSVM

Pathogenic

1.0

MutationAssessor

Uncertain

2.7

PhyloP100

4.9

PrimateAI

Uncertain

0.75

PROVEAN

Uncertain

-4.3

REVEL

Pathogenic

0.77

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0020

Polyphen

1.0

Vest4

0.86

MutPred

0.49

Gain of disorder (P = 0.0014);

MVP

1.0

MPC

1.6

ClinPred

0.14

GERP RS

5.4

Varity_R

0.82

gMVP

0.41

Mutation Taster

=36/64

disease causing

(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