Genetic Variant EPG5:c.6622-12_6622-7delTTTTTT (chr18-45865765-CAAAAAA-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_020964.3(EPG5):c.6622-12_6622-7delTTTTTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000764 in 1,309,234 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 25)

Exomes 𝑓: 7.6e-7 ( 0 hom. )

Consequence

EPG5
NM_020964.3 splice_region, intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.635

Publications

3 publications found

Variant links:

Genes affected

EPG5 (HGNC:29331): (ectopic P-granules 5 autophagy tethering factor) This gene encodes a large coiled coil domain-containing protein that functions in autophagy during starvation conditions. Mutations in this gene cause Vici syndrome. [provided by RefSeq, Aug 2015]

EPG5 Gene-Disease associations (from GenCC):

Vici syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet, G2P

EPG5 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EPG5	NM_020964.3 link	c.6622-12_6622-7delTTTTTT		splice_region_variant, intron_variant	Intron 38 of 43	ENST00000282041.11	NP_066015.2	Q9HCE0-1Q9BTI0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EPG5	ENST00000282041.11 link	c.6622-12_6622-7delTTTTTT		splice_region_variant, intron_variant	Intron 38 of 43	1	NM_020964.3	ENSP00000282041.4		Q9HCE0-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

7.64e-7

AC:

AN:

1309234

Hom.:

AF XY:

0.00

AC XY:

AN XY:

647502

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

28368

American (AMR)

AF:

0.00

AC:

AN:

30794

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

20628

East Asian (EAS)

AF:

0.00

AC:

AN:

37546

South Asian (SAS)

AF:

0.00

AC:

AN:

68122

European-Finnish (FIN)

AF:

0.00

AC:

AN:

37560

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4242

European-Non Finnish (NFE)

AF:

9.73e-7

AC:

AN:

1027546

Other (OTH)

AF:

0.00

AC:

AN:

54428

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.225

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:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.64

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

18-45865765-CAAAAAAA-CA

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over