dbSNP rs759745220: POPDC1:p.Phe244CysfsTer20 (chr6-105116782-CAAGA-C) – ACMG Classification: Pathogenic (12 pts)

Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_001199563.2(POPDC1):c.731_734delTCTT(p.Phe244CysfsTer20) variant causes a frameshift change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000185 in 1,460,316 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

POPDC1
NM_001199563.2 frameshift

Scores

Not classified

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 9.25

Publications

1 publications found

Variant links:

Genes affected

POPDC1 (HGNC:1152): (blood vessel epicardial substance) This gene encodes a member of the POP family of proteins containing three putative transmembrane domains. This gene is expressed in cardiac and skeletal muscle and may play an important role in development of these tissues. The mouse ortholog may be involved in the regeneration of adult skeletal muscle and may act as a cell adhesion molecule in coronary vasculogenesis. Three transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Dec 2010]

POPDC1 Gene-Disease associations (from GenCC):

autosomal recessive limb-girdle muscular dystrophy
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
autosomal recessive limb-girdle muscular dystrophy type 2X
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics
tetralogy of fallot
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

POPDC1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 12 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 6-105116782-CAAGA-C is Pathogenic according to our data. Variant chr6-105116782-CAAGA-C is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 377143.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
POPDC1	NM_001199563.2 link	c.731_734delTCTT	p.Phe244CysfsTer20	frameshift_variant	Exon 6 of 8	ENST00000314641.10	NP_001186492.1	Q8NE79
POPDC1	NM_007073.4 link	c.731_734delTCTT	p.Phe244CysfsTer20	frameshift_variant	Exon 6 of 8		NP_009004.2	Q8NE79
POPDC1	NM_147147.4 link	c.731_734delTCTT	p.Phe244CysfsTer20	frameshift_variant	Exon 6 of 8		NP_671488.1	Q8NE79

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
BVES	ENST00000314641.10 link	c.731_734delTCTT	p.Phe244CysfsTer20	frameshift_variant	Exon 6 of 8	1	NM_001199563.2	ENSP00000313172.5	Q8NE79
BVES	ENST00000336775.9 link	c.731_734delTCTT	p.Phe244CysfsTer20	frameshift_variant	Exon 6 of 8	1		ENSP00000337259.5	Q8NE79
BVES	ENST00000446408.2 link	c.731_734delTCTT	p.Phe244CysfsTer20	frameshift_variant	Exon 6 of 8	1		ENSP00000397310.2	Q8NE79

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000120

AC:

AN:

250502

AF XY:

0.00000739

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:

0.0000264

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000185

AC:

AN:

1460316

Hom.:

AF XY:

0.0000179

AC XY:

AN XY:

726390

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33452

American (AMR)

AF:

0.00

AC:

AN:

44622

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39582

South Asian (SAS)

AF:

0.00

AC:

AN:

85800

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53296

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.0000225

AC:

AN:

1111328

Other (OTH)

AF:

0.0000331

AC:

AN:

60356

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

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.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Significance: Likely pathogenic

Submissions summary: Pathogenic:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Pathogenic:1

Nov 08, 2016

Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

9.2

Mutation Taster

=5/195

disease causing (ClinVar)

(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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over