rs1557182301

Variant names:

• chrX-154379740-A-AG
• rs1557182301
• NM_000117.3:c.135dupG

Variant summary

Our verdict is Pathogenic. The variant received 18 ACMG points: 18P and 0B. PVS1 PM2 PP5_Very_Strong

The NM_000117.3(EMD):​c.135dupG​(p.Arg46AlafsTer15) variant causes a frameshift change. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 25)
• Consequence: EMD NM_000117.3 frameshift
• Clinical Significance: Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:2
• Conservation: PhyloP100: 4.73
• Publications: 0 publications found

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: Ambry Genetics, Labcorp Genetics (formerly Invitae), Orphanet
• heart conduction disease

  Inheritance: XL Classification: STRONG Submitted by: Genomics England PanelApp

ACMG classification

Our verdict: Pathogenic. The variant received 18 ACMG points.

• PVS1: Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant X-154379740-A-AG is Pathogenic according to our data. Variant chrX-154379740-A-AG is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 531731.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000117.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EMD	NM_000117.3	MANE Select	c.135dupG	p.Arg46AlafsTer15	frameshift	Exon 2 of 6	NP_000108.1	P50402

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EMD	ENST00000369842.9	TSL:1 MANE Select	c.135dupG	p.Arg46AlafsTer15	frameshift	Exon 2 of 6	ENSP00000358857.4	P50402
	EMD	ENST00000933532.1		c.135dupG	p.Arg46AlafsTer15	frameshift	Exon 2 of 6	ENSP00000603591.1
	EMD	ENST00000933533.1		c.135dupG	p.Arg46AlafsTer15	frameshift	Exon 2 of 6	ENSP00000603592.1

Frequencies

GnomAD3 genomes Cov.: 25

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 25

ClinVar

ClinVar submissions

Significance: Pathogenic/Likely pathogenic

Revision: criteria provided, multiple submitters, no conflicts

Pathogenic	VUS	Benign	Condition
1	-	-	Emery-Dreifuss muscular dystrophy (1)
1	-	-	X-linked Emery-Dreifuss muscular dystrophy (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
PhyloP100		4.7
Mutation Taster		=2/198	disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs1557182301; hg19: chrX-153608100;