rs566283411

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 3P and 5B. PM1PM4_SupportingBP6BS2

The NM_004738.5(VAPB):​c.479_481delCTT​(p.Ser160del) variant causes a disruptive inframe deletion change. The variant allele was found at a frequency of 0.0027 in 1,614,114 control chromosomes in the GnomAD database, including 12 homozygotes. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0016 ( 1 hom., cov: 32)
Exomes 𝑓: 0.0028 ( 11 hom. )

Consequence

VAPB
NM_004738.5 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:12

Conservation

PhyloP100: 5.81

Publications

2 publications found
Variant links:
Genes affected
VAPB (HGNC:12649): (VAMP associated protein B and C) The protein encoded by this gene is a type IV membrane protein found in plasma and intracellular vesicle membranes. The encoded protein is found as a homodimer and as a heterodimer with VAPA. This protein also can interact with VAMP1 and VAMP2 and may be involved in vesicle trafficking. [provided by RefSeq, Jul 2008]
VAPB Gene-Disease associations (from GenCC):
  • amyotrophic lateral sclerosis type 8
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, ClinGen
  • adult-onset proximal spinal muscular atrophy, autosomal dominant
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • amyotrophic lateral sclerosis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM1
In a modified_residue Phosphoserine (size 0) in uniprot entity VAPB_HUMAN
PM4
Nonframeshift variant in NON repetitive region in NM_004738.5. Strenght limited to Supporting due to length of the change: 1aa.
BP6
Variant 20-58440983-GTTC-G is Benign according to our data. Variant chr20-58440983-GTTC-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 338931.We mark this variant Benign, oryginal submission is: [Conflicting_classifications_of_pathogenicity].
BS2
High AC in GnomAd4 at 241 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
VAPBNM_004738.5 linkc.479_481delCTT p.Ser160del disruptive_inframe_deletion Exon 5 of 6 ENST00000475243.6 NP_004729.1 O95292-1Q53XM7
VAPBNR_036633.2 linkn.525_527delCTT non_coding_transcript_exon_variant Exon 3 of 4
VAPBXR_001754433.3 linkn.873_875delCTT non_coding_transcript_exon_variant Exon 6 of 6
VAPBNM_001195677.2 linkc.212-3088_212-3086delCTT intron_variant Intron 2 of 2 NP_001182606.1 O95292-2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
VAPBENST00000475243.6 linkc.479_481delCTT p.Ser160del disruptive_inframe_deletion Exon 5 of 6 1 NM_004738.5 ENSP00000417175.1 O95292-1

Frequencies

GnomAD3 genomes
AF:
0.00158
AC:
241
AN:
152152
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000603
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000851
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000660
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00282
Gnomad OTH
AF:
0.00191
GnomAD2 exomes
AF:
0.00168
AC:
421
AN:
251172
AF XY:
0.00164
show subpopulations
Gnomad AFR exome
AF:
0.000678
Gnomad AMR exome
AF:
0.000781
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00152
Gnomad NFE exome
AF:
0.00298
Gnomad OTH exome
AF:
0.00196
GnomAD4 exome
AF:
0.00282
AC:
4117
AN:
1461844
Hom.:
11
AF XY:
0.00274
AC XY:
1994
AN XY:
727222
show subpopulations
African (AFR)
AF:
0.000657
AC:
22
AN:
33480
American (AMR)
AF:
0.000805
AC:
36
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.0000756
AC:
3
AN:
39688
South Asian (SAS)
AF:
0.0000348
AC:
3
AN:
86258
European-Finnish (FIN)
AF:
0.00176
AC:
94
AN:
53410
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00345
AC:
3837
AN:
1111988
Other (OTH)
AF:
0.00202
AC:
122
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.472
Heterozygous variant carriers
0
210
421
631
842
1052
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
146
292
438
584
730
<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:
0.00158
AC:
241
AN:
152270
Hom.:
1
Cov.:
32
AF XY:
0.00146
AC XY:
109
AN XY:
74438
show subpopulations
African (AFR)
AF:
0.000602
AC:
25
AN:
41554
American (AMR)
AF:
0.000850
AC:
13
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.000660
AC:
7
AN:
10602
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00282
AC:
192
AN:
68038
Other (OTH)
AF:
0.00189
AC:
4
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.505
Heterozygous variant carriers
0
14
27
41
54
68
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<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:
0.000362
Hom.:
0
Bravo
AF:
0.00161
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00256
EpiControl
AF:
0.00243

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:12
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1Benign:4
Jun 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

VAPB: PM4:Supporting, BS1, BS2 -

Mar 10, 2020
Revvity Omics, Revvity
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Apr 05, 2021
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 21989245, 22878164, 19183264, 18322265, 23971766, 23446633) -

-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Clinical Genetics, Academic Medical Center
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

not specified Benign:2
-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

May 12, 2020
Athena Diagnostics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Amyotrophic lateral sclerosis type 8;C1854058:Adult-onset proximal spinal muscular atrophy, autosomal dominant Benign:2
Jul 30, 2021
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:research

- -

Jan 23, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Inborn genetic diseases Benign:1
May 19, 2020
Ambry Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

VAPB-related disorder Benign:1
Aug 01, 2022
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Amyotrophic Lateral Sclerosis, Dominant Benign:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Spinal Muscular Atrophy, Dominant Benign:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
PhyloP100
5.8
Mutation Taster
=63/37
polymorphism

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

Other links and lift over

dbSNP: rs566283411; hg19: chr20-57016039; API