X-32644202-G-C

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4BP6_ModerateBS2_Supporting

The NM_004006.3(DMD):c.1261C>G(p.Gln421Glu) variant causes a missense change. The variant allele was found at a frequency of 0.00000182 in 1,096,397 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q421P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 23)

Exomes 𝑓: 0.0000018 ( 0 hom. 2 hem. )

Consequence

DMD
NM_004006.3 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 4.37

Publications

3 publications found

Variant links:

Genes affected

DMD (HGNC:2928): (dystrophin) This gene spans a genomic range of greater than 2 Mb and encodes a large protein containing an N-terminal actin-binding domain and multiple spectrin repeats. The encoded protein forms a component of the dystrophin-glycoprotein complex (DGC), which bridges the inner cytoskeleton and the extracellular matrix. Deletions, duplications, and point mutations at this gene locus may cause Duchenne muscular dystrophy (DMD), Becker muscular dystrophy (BMD), or cardiomyopathy. Alternative promoter usage and alternative splicing result in numerous distinct transcript variants and protein isoforms for this gene. [provided by RefSeq, Dec 2016]

DMD Gene-Disease associations (from GenCC):

Becker muscular dystrophy
Inheritance: XL Classification: DEFINITIVE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet
dilated cardiomyopathy 3B
Inheritance: XL Classification: DEFINITIVE Submitted by: Ambry Genetics
Duchenne and Becker muscular dystrophy
Inheritance: XL Classification: DEFINITIVE Submitted by: Myriad Women’s Health
Duchenne muscular dystrophy
Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P, Orphanet
progressive muscular dystrophy
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
non-syndromic X-linked intellectual disability
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
symptomatic form of muscular dystrophy of Duchenne and Becker in female carriers
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet

DMD links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.3564061).

BP6

Variant X-32644202-G-C is Benign according to our data. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-32644202-G-C is described in CliVar as Likely_benign. Clinvar id is 2905837.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High Hemizygotes in GnomAdExome4 at 2 XL,AD geneVariant has number of hemizygotes lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DMD	NM_004006.3 link	c.1261C>G	p.Gln421Glu	missense_variant	Exon 11 of 79	ENST00000357033.9	NP_003997.2	P11532

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DMD	ENST00000357033.9 link	c.1261C>G	p.Gln421Glu	missense_variant	Exon 11 of 79	1	NM_004006.3	ENSP00000354923.3		A0A075B6G3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000546

AC:

AN:

182995

AF XY:

0.0000148

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:

0.0000122

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000182

AC:

AN:

1096397

Hom.:

Cov.:

AF XY:

0.00000553

AC XY:

AN XY:

361857

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26367

American (AMR)

AF:

0.00

AC:

AN:

35180

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19356

East Asian (EAS)

AF:

0.00

AC:

AN:

30180

South Asian (SAS)

AF:

0.00

AC:

AN:

54062

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40444

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4136

European-Non Finnish (NFE)

AF:

0.00000238

AC:

AN:

840631

Other (OTH)

AF:

0.00

AC:

AN:

46041

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Duchenne muscular dystrophy

Benign:1

Apr 07, 2023

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

Benign

0.097

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.54

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.28

.;T;.;.;T

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.95

D;.;D;D;D

M_CAP

Benign

0.035

MetaRNN

Benign

0.36

T;T;T;T;T

MetaSVM

Benign

-0.67

PhyloP100

4.4

PrimateAI

Benign

0.47

PROVEAN

Benign

-1.4

.;N;.;N;N

REVEL

Benign

0.13

Sift

Uncertain

0.019

.;D;.;D;D

Sift4G

Uncertain

0.040

D;D;D;D;T

Polyphen

0.95, 0.090

.;P;.;.;B

Vest4

0.46

MutPred

0.56

.;.;Gain of disorder (P = 0.1515);Gain of disorder (P = 0.1515);.;

MVP

0.64

MPC

0.019

ClinPred

0.34

GERP RS

5.8

gMVP

0.36

Mutation Taster

=87/13

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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over