18-45912308-C-T

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1

The NM_020964.3(EPG5):​c.3965G>A​(p.Arg1322His) variant causes a missense change. The variant allele was found at a frequency of 0.000417 in 1,600,860 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0022 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00023 ( 1 hom. )

Consequence

EPG5
NM_020964.3 missense

Scores

4
8
6

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:3

Conservation

PhyloP100: 5.40
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.009257793).
BP6
Variant 18-45912308-C-T is Benign according to our data. Variant chr18-45912308-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 466249.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Benign=1, Uncertain_significance=1}.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00215 (328/152210) while in subpopulation AFR AF= 0.00746 (310/41544). AF 95% confidence interval is 0.00678. There are 0 homozygotes in gnomad4. There are 145 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
EPG5NM_020964.3 linkc.3965G>A p.Arg1322His missense_variant Exon 22 of 44 ENST00000282041.11 NP_066015.2 Q9HCE0-1Q9BTI0

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
EPG5ENST00000282041.11 linkc.3965G>A p.Arg1322His missense_variant Exon 22 of 44 1 NM_020964.3 ENSP00000282041.4 Q9HCE0-1

Frequencies

GnomAD3 genomes
AF:
0.00217
AC:
330
AN:
152092
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00753
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.000583
AC:
139
AN:
238354
Hom.:
1
AF XY:
0.000431
AC XY:
56
AN XY:
130042
show subpopulations
Gnomad AFR exome
AF:
0.00777
Gnomad AMR exome
AF:
0.000501
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000453
Gnomad OTH exome
AF:
0.000175
GnomAD4 exome
AF:
0.000235
AC:
340
AN:
1448650
Hom.:
1
Cov.:
31
AF XY:
0.000212
AC XY:
153
AN XY:
720632
show subpopulations
Gnomad4 AFR exome
AF:
0.00832
Gnomad4 AMR exome
AF:
0.000623
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000236
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000144
Gnomad4 OTH exome
AF:
0.000418
GnomAD4 genome
AF:
0.00215
AC:
328
AN:
152210
Hom.:
0
Cov.:
32
AF XY:
0.00195
AC XY:
145
AN XY:
74388
show subpopulations
Gnomad4 AFR
AF:
0.00746
Gnomad4 AMR
AF:
0.000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.000804
Hom.:
0
Bravo
AF:
0.00246
ESP6500AA
AF:
0.00437
AC:
17
ESP6500EA
AF:
0.000121
AC:
1
ExAC
AF:
0.000670
AC:
81
EpiCase
AF:
0.00
EpiControl
AF:
0.0000596

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:3Benign:3
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:3Benign:1
Sep 01, 2022
CeGaT Center for Human Genetics Tuebingen
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

EPG5: BS1, BS2 -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Sep 08, 2021
GeneDx
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Has not been previously published as pathogenic or benign to our knowledge; In silico analysis supports that this missense variant has a deleterious effect on protein structure/function -

-
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

EPG5-related disorder Benign:1
Sep 07, 2022
PreventionGenetics, part of Exact Sciences
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Vici syndrome Benign:1
Jan 21, 2025
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
0.30
BayesDel_addAF
Benign
-0.061
T
BayesDel_noAF
Pathogenic
0.14
CADD
Pathogenic
29
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.27
T;T
Eigen
Pathogenic
0.69
Eigen_PC
Uncertain
0.66
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.97
.;D
MetaRNN
Benign
0.0093
T;T
MetaSVM
Uncertain
0.58
D
MutationAssessor
Benign
1.9
L;L
PrimateAI
Uncertain
0.48
T
PROVEAN
Uncertain
-4.0
D;.
REVEL
Pathogenic
0.67
Sift
Uncertain
0.0020
D;.
Sift4G
Uncertain
0.012
D;.
Polyphen
1.0
D;D
Vest4
0.77
MVP
0.68
MPC
0.71
ClinPred
0.048
T
GERP RS
5.5
Varity_R
0.33
gMVP
0.55

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs148641800; hg19: chr18-43492273; API