chr18-45912308-C-T

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_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). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1322C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0022 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00023 ( 1 hom. )

Consequence

EPG5
NM_020964.3 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 5.40

Publications

2 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: ClinGen, G2P, Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)

EPG5 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

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 VariationId is 466249.

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 the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020964.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
EPG5	NM_020964.3	MANE Select	c.3965G>A	p.Arg1322His	missense	Exon 22 of 44	NP_066015.2	Q9HCE0-1
EPG5	NM_001410859.1		c.3965G>A	p.Arg1322His	missense	Exon 22 of 44	NP_001397788.1	A0A8Q3SIU6
EPG5	NM_001410858.1		c.3965G>A	p.Arg1322His	missense	Exon 22 of 44	NP_001397787.1	A0A8Q3SIJ2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
EPG5	ENST00000282041.11	TSL:1 MANE Select	c.3965G>A	p.Arg1322His	missense	Exon 22 of 44	ENSP00000282041.4	Q9HCE0-1
EPG5	ENST00000587884.2	TSL:1	n.3965G>A		non_coding_transcript_exon	Exon 22 of 45	ENSP00000466990.2	K7ENK5
EPG5	ENST00000587974.1	TSL:1	n.4000G>A		non_coding_transcript_exon	Exon 22 of 24

Frequencies

GnomAD3 genomes

AF:

0.00217

AC:

330

AN:

152092

Hom.:

Cov.:

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

GnomAD2 exomes

AF:

0.000583

AC:

139

AN:

238354

AF XY:

0.000431

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 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.:

Cov.:

AF XY:

0.000212

AC XY:

153

AN XY:

720632

show subpopulations

African (AFR)

AF:

0.00832

AC:

269

AN:

32340

American (AMR)

AF:

0.000623

AC:

AN:

40142

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25476

East Asian (EAS)

AF:

0.00

AC:

AN:

39528

South Asian (SAS)

AF:

0.0000236

AC:

AN:

84868

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53274

Middle Eastern (MID)

AF:

0.000527

AC:

AN:

5698

European-Non Finnish (NFE)

AF:

0.0000144

AC:

AN:

1107558

Other (OTH)

AF:

0.000418

AC:

AN:

59766

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

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

AF:

0.00215

AC:

328

AN:

152210

Hom.:

Cov.:

AF XY:

0.00195

AC XY:

145

AN XY:

74388

show subpopulations

African (AFR)

AF:

0.00746

AC:

310

AN:

41544

American (AMR)

AF:

0.000654

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5172

South Asian (SAS)

AF:

0.00

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10582

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

68022

Other (OTH)

AF:

0.00189

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000968

Hom.:

Bravo

AF:

0.00246

ESP6500AA

AF:

0.00437

AC:

ESP6500EA

AF:

0.000121

AC:

ExAC

AF:

0.000670

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000596

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (4)

EPG5-related disorder (1)

Vici syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.30

BayesDel_addAF

Benign

-0.061

BayesDel_noAF

Pathogenic

0.14

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.27

Eigen

Pathogenic

0.69

Eigen_PC

Uncertain

0.66

FATHMM_MKL

Uncertain

0.95

LIST_S2

Uncertain

0.97

MetaRNN

Benign

0.0093

MetaSVM

Uncertain

0.58

MutationAssessor

Benign

1.9

PhyloP100

5.4

PrimateAI

Uncertain

0.48

PROVEAN

Uncertain

-4.0

REVEL

Pathogenic

0.67

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.012

Polyphen

1.0

Vest4

0.77

MVP

0.68

MPC

0.71

ClinPred

0.048

GERP RS

5.5

Varity_R

0.33

gMVP

0.55

Mutation Taster

=89/11

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over