chr17-41763267-C-T

Position:

chr17-41763267-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4_StrongBS1_Supporting

The NM_002230.4(JUP):c.1213G>A(p.Val405Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000446 in 1,614,228 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. V405V) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000048 ( 0 hom. )

Consequence

JUP
NM_002230.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 0.396

Variant links:

Genes affected

JUP (HGNC:6207): (junction plakoglobin) This gene encodes a major cytoplasmic protein which is the only known constituent common to submembranous plaques of both desmosomes and intermediate junctions. This protein forms distinct complexes with cadherins and desmosomal cadherins and is a member of the catenin family since it contains a distinct repeating amino acid motif called the armadillo repeat. Mutation in this gene has been associated with Naxos disease. Alternative splicing occurs in this gene; however, not all transcripts have been fully described. [provided by RefSeq, Jul 2008]

JUP links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.047881305).

BS1

Variant frequency is greater than expected in population amr. gnomad4_exome allele frequency = 0.0000479 (70/1461886) while in subpopulation AMR AF= 0.000425 (19/44724). AF 95% confidence interval is 0.000277. There are 0 homozygotes in gnomad4_exome. There are 37 alleles in male gnomad4_exome subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
JUP	NM_002230.4 linkuse as main transcript	c.1213G>A	p.Val405Ile	missense_variant	8/14	ENST00000393931.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris
JUP	ENST00000393931.8 linkuse as main transcript	c.1213G>A	p.Val405Ile	missense_variant	8/14	1	NM_002230.4	P1
JUP	ENST00000310706.9 linkuse as main transcript	c.1213G>A	p.Val405Ile	missense_variant	8/15	1		P1
JUP	ENST00000393930.5 linkuse as main transcript	c.1213G>A	p.Val405Ile	missense_variant	8/15	5		P1

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000796

AC:

AN:

251302

Hom.:

AF XY:

0.000103

AC XY:

AN XY:

135816

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.000347

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:

0.0000352

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.0000479

AC:

AN:

1461886

Hom.:

Cov.:

AF XY:

0.0000509

AC XY:

AN XY:

727244

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000425

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000580

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000351

Gnomad4 OTH exome

AF:

0.000116

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152342

Hom.:

Cov.:

AF XY:

0.0000268

AC XY:

AN XY:

74496

show subpopulations

Gnomad4 AFR

AF:

0.0000240

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000383

Hom.:

Bravo

AF:

0.0000453

ExAC

AF:

0.0000988

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:3

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Oct 15, 2013

The Val405Ile variant in JUP has not been previously reported in individuals wit h cardiomyopathy, but has been identified in 1/192 Kenyan chromosomes by the 100 0 Genomes Project (dbSNP rs200019016). Lack of evolutionary conservation suggest s that the variant may not impact the protein, though this information is not pr edictive enough to rule out pathogenicity. Additional information is needed to f ully assess the clinical significance of the Val405Ile variant. -

Cardiovascular phenotype

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 16, 2019

The p.V405I variant (also known as c.1213G>A), located in coding exon 7 of the JUP gene, results from a G to A substitution at nucleotide position 1213. The valine at codon 405 is replaced by isoleucine, an amino acid with highly similar properties. This amino acid position is not well conserved in available vertebrate species, and isoleucine is the reference amino acid in other vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Naxos disease;C1969081:Arrhythmogenic right ventricular dysplasia 12

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Dec 04, 2023

This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 405 of the JUP protein (p.Val405Ile). This variant is present in population databases (rs200019016, gnomAD 0.03%). This missense change has been observed in individual(s) with dilated cardiomyopathy (PMID: 32746448). ClinVar contains an entry for this variant (Variation ID: 163718). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬†is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.064

BayesDel_addAF

Benign

-0.45

BayesDel_noAF

Benign

-0.58

CADD

Benign

DANN

Benign

0.20

DEOGEN2

Benign

0.19

T;T;T

Eigen

Benign

-0.72

Eigen_PC

Benign

-0.58

FATHMM_MKL

Benign

0.40

LIST_S2

Uncertain

0.88

.;.;D

M_CAP

Benign

0.031

MetaRNN

Benign

0.048

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.69

N;N;N

MutationTaster

Benign

0.93

D;D;D;D

PrimateAI

Uncertain

0.62

PROVEAN

Benign

-0.060

N;N;N

REVEL

Benign

0.096

Sift

Benign

0.88

T;T;T

Sift4G

Benign

0.71

T;T;T

Polyphen

0.0010

B;B;B

Vest4

0.23

MVP

0.61

MPC

0.39

ClinPred

0.021

GERP RS

3.9

Varity_R

0.055

gMVP

0.061

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

LitVar

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over