Genetic Variant NM_000117.3:c.711C>T (chrX-154381143-C-T) – ACMG Classification: Benign (-15 pts)

Variant summary

Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS2

The NM_000117.3(EMD):c.711C>T(p.Ile237Ile) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000729 in 1,097,970 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 4 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: not found (cov: 23)

Exomes 𝑓: 0.0000073 ( 0 hom. 4 hem. )

Consequence

EMD
NM_000117.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.100

Publications

0 publications found

Variant links:

Genes affected

EMD (HGNC:3331): (emerin) Emerin is a serine-rich nuclear membrane protein and a member of the nuclear lamina-associated protein family. It mediates membrane anchorage to the cytoskeleton. Dreifuss-Emery muscular dystrophy is an X-linked inherited degenerative myopathy resulting from mutation in the emerin gene. [provided by RefSeq, Jul 2008]

EMD Gene-Disease associations (from GenCC):

X-linked Emery-Dreifuss muscular dystrophy
Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)
heart conduction disease
Inheritance: XL Classification: STRONG Submitted by: Genomics England PanelApp

EMD links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -15 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.46).

BP6

Variant X-154381143-C-T is Benign according to our data. Variant chrX-154381143-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 163405.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.1 with no splicing effect.

BS2

High Hemizygotes in GnomAdExome4 at 4 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EMD	NM_000117.3 link	c.711C>T	p.Ile237Ile	synonymous_variant	Exon 6 of 6	ENST00000369842.9	NP_000108.1	P50402

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EMD	ENST00000369842.9 link	c.711C>T	p.Ile237Ile	synonymous_variant	Exon 6 of 6	1	NM_000117.3	ENSP00000358857.4		P50402

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000548

AC:

AN:

182634

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:

0.0000722

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000729

AC:

AN:

1097970

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

363370

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26398

American (AMR)

AF:

0.00

AC:

AN:

35187

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19376

East Asian (EAS)

AF:

0.00

AC:

AN:

30203

South Asian (SAS)

AF:

0.0000185

AC:

AN:

54115

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40425

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4136

European-Non Finnish (NFE)

AF:

0.00000831

AC:

AN:

842045

Other (OTH)

AF:

0.00

AC:

AN:

46085

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.488

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

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.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:1

May 03, 2013

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Ile237Ile in exon 6 of EMD: This variant is not expected to have clinical signif icance because it does not alter an amino acid residue and is not located within the splice consensus sequence. Ile237Ile in exon 6 of EMD (allele frequency = n/a) -

X-linked Emery-Dreifuss muscular dystrophy

Benign:1

Feb 17, 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

BayesDel_noAF

Benign

-0.46

CADD

Benign

3.5

(source)

DANN

Benign

0.65

PhyloP100

0.10

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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