rs375399419

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4BP6

The NM_017890.5(VPS13B):c.5959G>T(p.Val1987Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000725 in 1,613,464 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. V1987A) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000068 ( 0 hom. )

Consequence

VPS13B
NM_017890.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:3

Conservation

PhyloP100: 7.80

Publications

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

BP4

Computational evidence support a benign effect (MetaRNN=0.26705134).

BP6

Variant 8-99642474-G-T is Benign according to our data. Variant chr8-99642474-G-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 528838.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017890.5. 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
	VPS13B	NM_017890.5	MANE Plus Clinical	c.5959G>T	p.Val1987Leu	missense	Exon 34 of 62	NP_060360.3
	VPS13B	NM_152564.5	MANE Select	c.5884G>T	p.Val1962Leu	missense	Exon 34 of 62	NP_689777.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
VPS13B	ENST00000358544.7	TSL:1 MANE Plus Clinical	c.5959G>T	p.Val1987Leu	missense	Exon 34 of 62	ENSP00000351346.2
VPS13B	ENST00000357162.7	TSL:1 MANE Select	c.5884G>T	p.Val1962Leu	missense	Exon 34 of 62	ENSP00000349685.2
VPS13B	ENST00000682153.1		n.5959G>T		non_coding_transcript_exon	Exon 34 of 62	ENSP00000507923.1

Frequencies

GnomAD3 genomes

AF:

0.000118

AC:

AN:

152186

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

Gnomad ASJ

AF:

0.00231

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.000956

GnomAD2 exomes

AF:

0.000136

AC:

AN:

250242

AF XY:

0.000118

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000261

Gnomad ASJ exome

AF:

0.00169

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000618

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000677

AC:

AN:

1461278

Hom.:

Cov.:

AF XY:

0.0000688

AC XY:

AN XY:

726950

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.000381

AC:

AN:

44652

Ashkenazi Jewish (ASJ)

AF:

0.00203

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39682

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53066

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.0000117

AC:

AN:

1111894

Other (OTH)

AF:

0.000265

AC:

AN:

60374

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

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

AF:

0.000118

AC:

AN:

152186

Hom.:

Cov.:

AF XY:

0.0000942

AC XY:

AN XY:

74340

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41442

American (AMR)

AF:

0.000393

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00231

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68044

Other (OTH)

AF:

0.000956

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

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:

0.000271

Hom.:

Bravo

AF:

0.000140

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.0000989

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Cohen syndrome (3)

not provided (2)

not specified (1)

VPS13B-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.51

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.13

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.14

Eigen

Uncertain

0.22

Eigen_PC

Uncertain

0.33

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.94

M_CAP

Benign

0.075

MetaRNN

Benign

0.27

MetaSVM

Benign

-0.43

MutationAssessor

Uncertain

2.1

PhyloP100

7.8

PrimateAI

Uncertain

0.70

PROVEAN

Benign

-1.0

REVEL

Uncertain

0.37

Sift

Uncertain

0.027

Sift4G

Benign

0.13

Polyphen

0.72

Vest4

0.75

MutPred

0.27

Loss of ubiquitination at K1992 (P = 0.0992)

MVP

0.55

MPC

0.45

ClinPred

0.096

GERP RS

5.2

Varity_R

0.20

gMVP

0.63

Mutation Taster

=79/21

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

Age Distribution

Age Distribution

ClinVar

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over