dbSNP rs1554567542: VPS13B:p.Pro2945Ser (chr8-99819548-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_017890.5(VPS13B):c.8833C>T(p.Pro2945Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,544 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. P2945P) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

VPS13B
NM_017890.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.64

Publications

0 publications found

Variant links:

Genes affected

VPS13B (HGNC:2183): (vacuolar protein sorting 13 homolog B) This gene encodes a potential transmembrane protein that may function in vesicle-mediated transport and sorting of proteins within the cell. This protein may play a role in the development and the function of the eye, hematological system, and central nervous system. Mutations in this gene have been associated with Cohen syndrome. Multiple splice variants encoding distinct isoforms have been identified for this gene. [provided by RefSeq, Jul 2008]

VPS13B Gene-Disease associations (from GenCC):

Cohen syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Myriad Women’s Health, Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp, Laboratory for Molecular Medicine, ClinGen

VPS13B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.1331205).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VPS13B	NM_017890.5 link	c.8833C>T	p.Pro2945Ser	missense_variant	Exon 48 of 62	ENST00000358544.7	NP_060360.3	Q7Z7G8-1
VPS13B	NM_152564.5 link	c.8758C>T	p.Pro2920Ser	missense_variant	Exon 48 of 62	ENST00000357162.7	NP_689777.3	Q7Z7G8-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
VPS13B	ENST00000358544.7 link	c.8833C>T	p.Pro2945Ser	missense_variant	Exon 48 of 62	1	NM_017890.5	ENSP00000351346.2		Q7Z7G8-1
VPS13B	ENST00000357162.7 link	c.8758C>T	p.Pro2920Ser	missense_variant	Exon 48 of 62	1	NM_152564.5	ENSP00000349685.2		Q7Z7G8-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000479

AC:

AN:

1461544

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727062

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33472

American (AMR)

AF:

0.00

AC:

AN:

44698

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.00

AC:

AN:

39640

South Asian (SAS)

AF:

0.00

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53408

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00000630

AC:

AN:

1111824

Other (OTH)

AF:

0.00

AC:

AN:

60378

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 06, 2017

Athena Diagnostics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.093

BayesDel_addAF

Benign

-0.096

BayesDel_noAF

Benign

-0.38

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.11

.;T

Eigen

Benign

-0.47

Eigen_PC

Benign

-0.38

FATHMM_MKL

Uncertain

0.84

LIST_S2

Benign

0.74

T;T

M_CAP

Benign

0.029

MetaRNN

Benign

0.13

T;T

MetaSVM

Benign

-0.89

MutationAssessor

Benign

1.4

.;L

PhyloP100

1.6

PrimateAI

Uncertain

0.52

PROVEAN

Benign

-2.0

N;N

REVEL

Benign

0.072

Sift

Benign

0.082

T;T

Sift4G

Benign

0.16

T;T

Polyphen

0.037

B;B

Vest4

0.32

MutPred

0.46

.;Loss of loop (P = 0.0128);

MVP

0.68

MPC

0.13

ClinPred

0.32

GERP RS

4.1

Varity_R

0.056

gMVP

0.48

Mutation Taster

=79/21

polymorphism

(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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over