rs137853054

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 3P and 1B. PM5PP5BP4

The NM_004562.3(PRKN):c.719C>T(p.Thr240Met) variant causes a missense change. The variant allele was found at a frequency of 0.000274 in 1,610,406 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. T240R) has been classified as Pathogenic.

Frequency

Genomes: 𝑓 0.00024 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00028 ( 1 hom. )

Consequence

PRKN
NM_004562.3 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:14U:1

Conservation

PhyloP100: 7.04

Publications

141 publications found

Variant links:

Genes affected

PRKN (HGNC:8607): (parkin RBR E3 ubiquitin protein ligase) The precise function of this gene is unknown; however, the encoded protein is a component of a multiprotein E3 ubiquitin ligase complex that mediates the targeting of substrate proteins for proteasomal degradation. Mutations in this gene are known to cause Parkinson disease and autosomal recessive juvenile Parkinson disease. Alternative splicing of this gene produces multiple transcript variants encoding distinct isoforms. Additional splice variants of this gene have been described but currently lack transcript support. [provided by RefSeq, Jul 2008]

PRKN Gene-Disease associations (from GenCC):

autosomal recessive juvenile Parkinson disease 2
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Genomics England PanelApp
Parkinson disease
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
young-onset Parkinson disease
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PRKN links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM5

Other missense variant is known to change same aminoacid residue: Variant chr6-161973317-G-C is described in ClinVar as Pathogenic. ClinVar VariationId is 7036.Status of the report is no_assertion_criteria_provided, 0 stars.

PP5

Variant 6-161973317-G-A is Pathogenic according to our data. Variant chr6-161973317-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 7054.

BP4

Computational evidence support a benign effect (MetaRNN=0.22862995). . Strength limited to SUPPORTING due to the PP5.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRKN	NM_004562.3 link	c.719C>T	p.Thr240Met	missense_variant	Exon 6 of 12	ENST00000366898.6	NP_004553.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRKN	ENST00000366898.6 link	c.719C>T	p.Thr240Met	missense_variant	Exon 6 of 12	1	NM_004562.3	ENSP00000355865.1

Frequencies

GnomAD3 genomes

AF:

0.000237

AC:

AN:

152164

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000720

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00228

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00144

GnomAD2 exomes

AF:

0.000374

AC:

AN:

251448

AF XY:

0.000508

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000376

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000237

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000278

AC:

405

AN:

1458124

Hom.:

Cov.:

AF XY:

0.000339

AC XY:

246

AN XY:

725658

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33426

American (AMR)

AF:

0.000447

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26106

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39690

South Asian (SAS)

AF:

0.00168

AC:

145

AN:

86184

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53406

Middle Eastern (MID)

AF:

0.00208

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.000184

AC:

204

AN:

1108552

Other (OTH)

AF:

0.000382

AC:

AN:

60282

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.466

Heterozygous variant carriers

102

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

100

<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:

0.000243

AC:

AN:

152282

Hom.:

Cov.:

AF XY:

0.000269

AC XY:

AN XY:

74468

show subpopulations

African (AFR)

AF:

0.0000481

AC:

AN:

41550

American (AMR)

AF:

0.000719

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.000288

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00228

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000118

AC:

AN:

68018

Other (OTH)

AF:

0.00142

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

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:

0.000318

Hom.:

Bravo

AF:

0.000366

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.000519

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.000288

AC:

EpiCase

AF:

0.000327

EpiControl

AF:

0.000415

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Pathogenic:14Uncertain:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Autosomal recessive juvenile Parkinson disease 2

Pathogenic:7

Jun 07, 2019

Institute of Human Genetics Munich, TUM University Hospital

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Feb 01, 2006

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

Aug 30, 2023

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Variant summary: PARK2 c.719C>T (p.Thr240Met) results in a non-conservative amino acid change located in the RING/Ubox-like zinc-binding domain (IPR041170) of the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00037 in 251448 control chromosomes (gnomAD). c.719C>T has been reported in the literature in multiple bi-allelic individuals affected with Autosomal Recessive Juvenile Parkinson Disease (examples: Foroud_2003, Periquet_2003, Madegowda_2005, Camargos_2009) and in at-least one of these families the variant segregated with the disease (Deng_2006). These data indicate that the variant is very likely to be associated with disease. The following publications have been ascertained in the context of this evaluation (PMID: 19205068 , 12764050, 12629236, 16227559, 16476817). Eleven submitters have cited clinical-significance assessments for this variant to ClinVar after 2014 and classified the variant as pathogenic/likely pathogenic (n=10) and VUS (n=1). Based on the evidence outlined above, the variant was classified as pathogenic. -

Intergen, Intergen Genetics and Rare Diseases Diagnosis Center

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Oct 20, 2017

Illumina Laboratory Services, Illumina

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Across a selection of the available literature, the PARK2 c.719C>T (p.Thr240Met) missense variant has been reported in a biallelic state in at least six individuals with Parkinson disease (PD) from three families, with age of onset ranging from 22 to 40 years (Madegowda et al. 2005; Deng et al. 2006; Camargos et al. 2009). Two additional siblings with PD onset at age 45 and 55 were heterozygous for the p.Thr240Met variant, a second missense variant, and a deletion of exon three and parts of introns two and three, zygosity unspecified (Al-Mubarak et al. 2015). Notably, one unaffected 56-year-old individual was found to have the same genotype as her four affected compound heterozygous siblings who all displayed symptoms by age 38, suggesting reduced penetrance (Deng et al. 2006). In addition, the p.Thr240Met variant has been reported in a heterozygous state in at least four unrelated affected individuals (onset at age 33, <51, 55, and unspecified) as well as in five unaffected individuals from the same family as the five compound heterozygous individuals described above (Foroud et al. 2003; Deng et al. 2006; Bras et al. 2008; Camargos et al. 2009; Moura et al. 2013). Based on this information, this variant is expected to confer recessive disease although dominant disease implications cannot be completely ruled out. The p.Thr240Met variant was absent from 660 control chromosomes and is reported at a frequency of 0.00172 in the South Asian population of the Genome Aggregation Database. Compared to the wildtype, the parkin protein containing the p.Thr240Met variant, which occurs at a moderately conserved residue in the RING1 protein domain, showed decreased Î²-catenin ubiquitinating activity when expressed in HEK293T cells (Lin et al. 2015). Two other missense variants at the same position have also been reported in association with PD. Based on the collective evidence, the p.Thr240Met variant is classified as pathogenic for juvenile Parkinson disease. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population. -

Aug 18, 2021

CENTOGENE GmbH and LLC - Guiding Precision Medicine

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Mar 26, 2024

Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Pathogenic:5Uncertain:1

Mar 29, 2022

AiLife Diagnostics, AiLife Diagnostics

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jun 01, 2023

CeGaT Center for Human Genetics Tuebingen

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

PRKN: PM3:Very Strong, PM2, PP1, PS3:Supporting -

Feb 03, 2017

Athena Diagnostics

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jul 06, 2016

Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

May 18, 2025

GeneDx

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

In silico analysis suggests that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 32807662, 16367892, 24167364, 12629236, 26274610, 26556299, 12764050, 18973255, 23275044, 18519021, 16476817, 19205068, 30200940, 31409571, 33019779, 32802956, 32849182, 33640967, 18211709, 25877876, 34426522, 32870915, 33045815, 34434164, 35752680, 37750340, 36781956, 16227559, 30994895, 38546204) -

Jul 10, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces threonine, which is neutral and polar, with methionine, which is neutral and non-polar, at codon 240 of the PRKN protein (p.Thr240Met). This variant is present in population databases (rs137853054, gnomAD 0.2%). This missense change has been observed in individual(s) with early onset Parkinson's disease (PMID: 12764050, 16476817, 18519021, 18973255, 19205068, 23275044, 26274610). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 7054). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on PRKN protein function. For these reasons, this variant has been classified as Pathogenic. -

Young-onset Parkinson disease

Pathogenic:1

May 03, 2021

Fulgent Genetics, Fulgent Genetics

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Ovarian neoplasm

Pathogenic:1

May 03, 2020

Genomic Research Center, Shahid Beheshti University of Medical Sciences

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Uncertain

0.085

BayesDel_noAF

Pathogenic

0.33

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.28

T;.;.;.;.;T

Eigen

Uncertain

0.43

Eigen_PC

Uncertain

0.42

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Uncertain

0.95

D;D;D;.;D;D

M_CAP

Benign

0.033

MetaRNN

Benign

0.23

T;T;T;T;T;T

MetaSVM

Uncertain

0.25

PhyloP100

7.0

PrimateAI

Benign

0.40

PROVEAN

Benign

-2.0

N;N;N;N;N;N

REVEL

Uncertain

0.64

Sift

Uncertain

0.0020

D;D;D;D;D;D

Sift4G

Uncertain

0.0030

D;D;D;T;T;D

Polyphen

0.88

P;.;.;.;.;.

Vest4

0.71

MVP

0.97

MPC

0.14

ClinPred

0.15

GERP RS

5.1

Varity_R

0.36

gMVP

0.46

Mutation Taster

=5/95

disease causing (ClinVar)

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over