Genetic Variant VPS13A:c.-150C>G (chr9-77177555-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_033305.3(VPS13A):c.-150C>G variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000281 in 712,332 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000018 ( 0 hom. )

Consequence

VPS13A
NM_033305.3 5_prime_UTR_premature_start_codon_gain

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.136

Publications

0 publications found

Variant links:

Genes affected

VPS13A (HGNC:1908): (vacuolar protein sorting 13 homolog A) The protein encoded by this gene may control steps in the cycling of proteins through the trans-Golgi network to endosomes, lysosomes and the plasma membrane. Mutations in this gene cause the autosomal recessive disorder, chorea-acanthocytosis. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jul 2008]

VPS13A links:

VPS13A-AS1 (HGNC:44167): (VPS13A antisense RNA 1)

VPS13A-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.66).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VPS13A	NM_033305.3 link	c.-150C>G		5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 72	ENST00000360280.8	NP_150648.2	Q96RL7-1
VPS13A	NM_033305.3 link	c.-150C>G		5_prime_UTR_variant	Exon 1 of 72	ENST00000360280.8	NP_150648.2	Q96RL7-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
VPS13A	ENST00000360280.8 link	c.-150C>G		5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 72	1	NM_033305.3	ENSP00000353422.3		Q96RL7-1
VPS13A	ENST00000360280.8 link	c.-150C>G		5_prime_UTR_variant	Exon 1 of 72	1	NM_033305.3	ENSP00000353422.3		Q96RL7-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152122

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000942

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000179

AC:

AN:

560210

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

301030

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

15454

American (AMR)

AF:

0.00

AC:

AN:

33330

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

18144

East Asian (EAS)

AF:

0.00

AC:

AN:

30690

South Asian (SAS)

AF:

0.00

AC:

AN:

59538

European-Finnish (FIN)

AF:

0.0000317

AC:

AN:

31570

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2458

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

339248

Other (OTH)

AF:

0.00

AC:

AN:

29778

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152122

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74312

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5158

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.0000942

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

310

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68010

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.66

CADD

Benign

9.4

(source)

DANN

Benign

0.67

PhyloP100

0.14

PromoterAI

0.035

Neutral

(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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over