Genetic Variant VPS53:p.Arg584Gly (chr17-553417-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001128159.3(VPS53):c.1750C>G(p.Arg584Gly) variant causes a missense change. The variant allele was found at a frequency of 0.00000274 in 1,461,800 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. R584R) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 30)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

VPS53
NM_001128159.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.44

Publications

0 publications found

Variant links:

Genes affected

VPS53 (HGNC:25608): (VPS53 subunit of GARP complex) Involved in endocytic recycling and retrograde transport, endosome to Golgi. Acts upstream of or within lysosomal transport. Located in several cellular components, including Golgi apparatus; perinuclear region of cytoplasm; and recycling endosome. Part of EARP complex and GARP complex. Implicated in pontocerebellar hypoplasia type 2E. [provided by Alliance of Genome Resources, Apr 2022]

VPS53 Gene-Disease associations (from GenCC):

pontocerebellar hypoplasia type 2E
Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia
pontocerebellar hypoplasia, type 13
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
progressive cerebello-cerebral atrophy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

VPS53 links:

ENSG00000262905 (HGNC:):

ENSG00000262905 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VPS53	NM_001128159.3 link	c.1750C>G	p.Arg584Gly	missense_variant	Exon 16 of 22	ENST00000437048.7	NP_001121631.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
VPS53	ENST00000437048.7 link	c.1750C>G	p.Arg584Gly	missense_variant	Exon 16 of 22	1	NM_001128159.3	ENSP00000401435.2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000159

AC:

AN:

251396

AF XY:

0.0000221

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461800

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727212

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53344

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111998

Other (OTH)

AF:

0.00

AC:

AN:

60394

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.00000022423), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.362

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000247

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.30

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.20

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0

.;.;D;.

Eigen

Benign

0.083

Eigen_PC

Uncertain

0.26

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.0

.;.;.;.

M_CAP

Benign

0.027

MetaRNN

Uncertain

0.51

D;D;D;D

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.65

N;.;N;.

PhyloP100

5.4

PrimateAI

Uncertain

0.61

PROVEAN

Uncertain

-3.6

D;D;.;D

REVEL

Benign

0.19

Sift

Uncertain

0.0070

D;D;.;D

Sift4G

Benign

0.18

T;D;D;D

Vest4

0.88

ClinPred

0.64

GERP RS

4.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.26

gMVP

0.56

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over