13-51968544-A-G

Position:

chr13-51968544-A-G

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_000053.4(ATP7B):c.1607T>C(p.Val536Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00443 in 1,613,854 control chromosomes in the GnomAD database, including 25 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0033 ( 2 hom., cov: 32)

Exomes 𝑓: 0.0045 ( 23 hom. )

Consequence

ATP7B
NM_000053.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:13O:1

Conservation

PhyloP100: 1.25

Variant links:

Genes affected

ATP7B (HGNC:870): (ATPase copper transporting beta) This gene is a member of the P-type cation transport ATPase family and encodes a protein with several membrane-spanning domains, an ATPase consensus sequence, a hinge domain, a phosphorylation site, and at least 2 putative copper-binding sites. This protein is a monomer, and functions as a copper-transporting ATPase which exports copper out of the cells, such as the efflux of hepatic copper into the bile. Alternate transcriptional splice variants, encoding different isoforms with distinct cellular localizations, have been characterized. Mutations in this gene have been associated with Wilson disease which is characterized by copper accumulation. [provided by RefSeq, Dec 2019]

ATP7B links:

ATP7B (HGNC:):

ATP7B links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.012235105).

BP6

Variant 13-51968544-A-G is Benign according to our data. Variant chr13-51968544-A-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 35703.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=6, Uncertain_significance=3, not_provided=1, Benign=3}. Variant chr13-51968544-A-G is described in Lovd as [Likely_benign].

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ATP7B	NM_000053.4 linkuse as main transcript	c.1607T>C	p.Val536Ala	missense_variant	4/21	ENST00000242839.10	NP_000044.2	P35670-1B7ZLR4A0A024RDX3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
ATP7B	ENST00000242839.10 linkuse as main transcript	c.1607T>C	p.Val536Ala	missense_variant	4/21	1	NM_000053.4	ENSP00000242839.5		P35670-1

Frequencies

GnomAD3 genomes

AF:

0.00328

AC:

498

AN:

151848

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000944

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0122

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00465

Gnomad OTH

AF:

0.00383

GnomAD3 exomes

AF:

0.00319

AC:

797

AN:

249456

Hom.:

AF XY:

0.00328

AC XY:

444

AN XY:

135328

show subpopulations

Gnomad AFR exome

AF:

0.000581

Gnomad AMR exome

AF:

0.000782

Gnomad ASJ exome

AF:

0.0000993

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000196

Gnomad FIN exome

AF:

0.0111

Gnomad NFE exome

AF:

0.00429

Gnomad OTH exome

AF:

0.00479

GnomAD4 exome

AF:

0.00455

AC:

6651

AN:

1461888

Hom.:

Cov.:

AF XY:

0.00436

AC XY:

3173

AN XY:

727244

show subpopulations

Gnomad4 AFR exome

AF:

0.000508

Gnomad4 AMR exome

AF:

0.000850

Gnomad4 ASJ exome

AF:

0.0000765

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000267

Gnomad4 FIN exome

AF:

0.0107

Gnomad4 NFE exome

AF:

0.00518

Gnomad4 OTH exome

AF:

0.00381

GnomAD4 genome

AF:

0.00328

AC:

498

AN:

151966

Hom.:

Cov.:

AF XY:

0.00369

AC XY:

274

AN XY:

74286

show subpopulations

Gnomad4 AFR

AF:

0.000941

Gnomad4 AMR

AF:

0.000393

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.0122

Gnomad4 NFE

AF:

0.00465

Gnomad4 OTH

AF:

0.00379

Alfa

AF:

0.00374

Hom.:

Bravo

AF:

0.00239

TwinsUK

AF:

0.00539

AC:

ALSPAC

AF:

0.00804

AC:

ESP6500AA

AF:

0.000474

AC:

ESP6500EA

AF:

0.00309

AC:

ExAC

AF:

0.00298

AC:

361

EpiCase

AF:

0.00387

EpiControl

AF:

0.00456

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:13Other:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Wilson disease

Uncertain:3Benign:4Other:1

Uncertain significance, criteria provided, single submitter	research	CSER _CC_NCGL, University of Washington	Jun 01, 2014	Low GERP score may suggest that this variant belongs in a lower pathogenicity class -
not provided, no classification provided	phenotyping only	GenomeConnect, ClinGen	-	GenomeConnect assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. GenomeConnect staff make no attempt to reinterpret the clinical significance of the variant. -
Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Feb 01, 2024	- -
Likely benign, no assertion criteria provided	clinical testing	Natera, Inc.	Apr 15, 2020	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Genome-Nilou Lab	May 18, 2021	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Illumina Laboratory Services, Illumina	Jul 10, 2018	This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -
Likely benign, criteria provided, single submitter	clinical testing	Counsyl	Dec 28, 2017	- -
Likely benign, criteria provided, single submitter	clinical testing	Color Diagnostics, LLC DBA Color Health	Apr 23, 2019	- -

not provided

Benign:5

Likely benign, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Sep 01, 2024	ATP7B: BP4, BS2 -
Likely benign, no assertion criteria provided	clinical testing	Genome Diagnostics Laboratory, Amsterdam University Medical Center	-	- -
Likely benign, no assertion criteria provided	clinical testing	Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center	-	- -
Likely benign, criteria provided, single submitter	clinical testing	Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics	Sep 06, 2017	- -
Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Jun 21, 2021	In silico analysis supports that this missense variant does not alter protein structure/function; Observed in at least one homozygous individual in large population cohorts (Lek et al., 2016); This variant is associated with the following publications: (PMID: 25637381, 20465995, 32248359, 18373411, 23235335, 21794208, 24253677, 30097039, 23518715, 31169307) -

not specified

Benign:2

Benign, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	May 02, 2016	- -
Likely benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	Apr 28, 2021	Variant summary: ATP7B c.1607T>C (p.Val536Ala) results in a non-conservative amino acid change located in the Heavy-metal-associated domain (HMA) of the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0033 in 280825 control chromosomes, predominantly at a frequency of 0.011 within the Finnish subpopulation in the gnomAD database, including 1 homozygote. The observed variant frequency within Finnish control individuals in the gnomAD database is approximately 2-fold the estimated maximal expected allele frequency for a pathogenic variant in ATP7B causing Wilson Disease phenotype (0.0054), strongly suggesting that the variant is a benign polymorphism found primarily in populations of Finnish origin. c.1607T>C has been reported in the literature in at least one individual affected with Wilson Disease (e.g. Davies_2008), as well as unaffected individuals (e.g. Stattermayer_2019). These reports do not provide unequivocal conclusions about association of the variant with Wilson Disease. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. Eight other clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation, citing the variant as benign/likely benign (n=5) and uncertain significance (n=3). Based on the evidence outlined above, the variant was classified as likely benign. -

Inborn genetic diseases

Benign:1

Benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 31, 2016

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

ATP7B-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Sep 23, 2019

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). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.090

CADD

Benign

DANN

Benign

0.85

DEOGEN2

Uncertain

0.63

D;D;.;.;.;.

Eigen

Benign

-0.57

Eigen_PC

Benign

-0.52

FATHMM_MKL

Benign

0.35

LIST_S2

Benign

0.69

T;T;T;T;T;T

MetaRNN

Benign

0.012

T;T;T;T;T;T

MetaSVM

Benign

-0.44

MutationAssessor

Benign

0.90

L;.;L;.;.;.

PrimateAI

Benign

0.26

PROVEAN

Benign

-1.6

N;N;N;N;.;N

REVEL

Uncertain

0.56

Sift

Benign

0.12

T;T;T;T;.;T

Sift4G

Benign

0.22

T;T;T;T;T;T

Polyphen

0.0

B;B;B;B;B;B

Vest4

0.10

MVP

0.94

MPC

0.070

ClinPred

0.0072

GERP RS

1.7

Varity_R

0.10

gMVP

0.33

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.

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