Genetic Variant NM_007262.5:c.487G>C (chr1-7984971-G-C) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_007262.5(PARK7):c.487G>C(p.Glu163Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E163K) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PARK7
NM_007262.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 9.94

Publications

27 publications found

Variant links:

Genes affected

PARK7 (HGNC:16369): (Parkinsonism associated deglycase) The product of this gene belongs to the peptidase C56 family of proteins. It acts as a positive regulator of androgen receptor-dependent transcription. It may also function as a redox-sensitive chaperone, as a sensor for oxidative stress, and it apparently protects neurons against oxidative stress and cell death. Defects in this gene are the cause of autosomal recessive early-onset Parkinson disease 7. Two transcript variants encoding the same protein have been identified for this gene. [provided by RefSeq, Jul 2008]

PARK7 Gene-Disease associations (from GenCC):

Parkinson disease
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
autosomal recessive early-onset Parkinson disease 7
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
young-onset Parkinson disease
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PARK7 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.797

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007262.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PARK7	NM_007262.5	MANE Select	c.487G>C	p.Glu163Gln	missense	Exon 7 of 7	NP_009193.2
	PARK7	NM_001123377.2		c.487G>C	p.Glu163Gln	missense	Exon 7 of 7	NP_001116849.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
PARK7	ENST00000338639.10	TSL:1 MANE Select	c.487G>C	p.Glu163Gln	missense	Exon 7 of 7	ENSP00000340278.5
PARK7	ENST00000493678.5	TSL:1	c.487G>C	p.Glu163Gln	missense	Exon 7 of 7	ENSP00000418770.1
PARK7	ENST00000377488.5	TSL:3	c.487G>C	p.Glu163Gln	missense	Exon 7 of 7	ENSP00000366708.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461892

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.75

BayesDel_addAF

Pathogenic

0.27

BayesDel_noAF

Pathogenic

0.15

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.39

Eigen

Uncertain

0.67

Eigen_PC

Uncertain

0.66

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.92

M_CAP

Benign

0.069

MetaRNN

Pathogenic

0.80

MetaSVM

Uncertain

0.43

MutationAssessor

Uncertain

2.1

PhyloP100

9.9

PrimateAI

Uncertain

0.72

PROVEAN

Benign

-1.8

REVEL

Pathogenic

0.71

Sift

Benign

0.052

Sift4G

Benign

0.15

Polyphen

0.99

Vest4

0.86

MutPred

0.57

Loss of sheet (P = 0.0126)

MVP

0.92

MPC

0.29

ClinPred

0.90

GERP RS

5.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.9

Varity_R

0.80

gMVP

0.83

Mutation Taster

=20/80

disease causing

(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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over