20-58418263-C-A

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_004738.5(VAPB):​c.111C>A​(p.Asp37Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000547 in 1,461,890 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D37H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

VAPB
NM_004738.5 missense

Scores

1
5
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.34

Publications

0 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: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), 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 -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.24516368).
BS2
High AC in GnomAdExome4 at 8 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004738.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
VAPB
NM_004738.5
MANE Select
c.111C>Ap.Asp37Glu
missense
Exon 2 of 6NP_004729.1O95292-1
VAPB
NM_001195677.2
c.111C>Ap.Asp37Glu
missense
Exon 2 of 3NP_001182606.1O95292-2
VAPB
NR_036633.2
n.342C>A
non_coding_transcript_exon
Exon 2 of 4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
VAPB
ENST00000475243.6
TSL:1 MANE Select
c.111C>Ap.Asp37Glu
missense
Exon 2 of 6ENSP00000417175.1O95292-1
VAPB
ENST00000395802.7
TSL:1
c.111C>Ap.Asp37Glu
missense
Exon 2 of 3ENSP00000379147.3O95292-2
VAPB
ENST00000903510.1
c.171C>Ap.Asp57Glu
missense
Exon 3 of 7ENSP00000573569.1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000547
AC:
8
AN:
1461890
Hom.:
0
Cov.:
31
AF XY:
0.00000550
AC XY:
4
AN XY:
727246
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000348
AC:
3
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000360
AC:
4
AN:
1112012
Other (OTH)
AF:
0.00
AC:
0
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.506
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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.:
32
Alfa
AF:
0.00
Hom.:
0
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Amyotrophic lateral sclerosis type 8;C1854058:Adult-onset proximal spinal muscular atrophy, autosomal dominant (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.049
T
BayesDel_noAF
Benign
-0.31
CADD
Benign
18
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.70
D
Eigen
Benign
-0.12
Eigen_PC
Benign
-0.018
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.89
D
M_CAP
Benign
0.028
D
MetaRNN
Benign
0.25
T
MetaSVM
Benign
-0.85
T
MutationAssessor
Benign
1.7
L
PhyloP100
1.3
PrimateAI
Pathogenic
0.88
D
PROVEAN
Uncertain
-3.1
D
REVEL
Benign
0.15
Sift
Benign
0.042
D
Sift4G
Benign
0.25
T
Polyphen
0.0010
B
Vest4
0.35
MutPred
0.55
Gain of MoRF binding (P = 0.1348)
MVP
0.45
MPC
0.42
ClinPred
0.74
D
GERP RS
2.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.54
gMVP
0.31
Mutation Taster
=57/43
polymorphism

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

Other links and lift over

dbSNP: rs781691837; hg19: chr20-56993319; API