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GeneBe

15-91226295-G-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001323032.3(SV2B):ā€‹c.32G>Cā€‹(p.Gly11Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,846 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 6.8e-7 ( 0 hom. )

Consequence

SV2B
NM_001323032.3 missense

Scores

1
17

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.97
Variant links:
Genes affected
SV2B (HGNC:16874): (synaptic vesicle glycoprotein 2B) This gene encodes a member of the synaptic vesicle proteins 2 (SV2) family and major facilitator superfamily of proteins. This protein and other members of the family are localized to synaptic vesicles and may function in the regulation of vesicle trafficking and exocytosis. Studies in mice suggest that the encoded protein may act as a protein receptor for botulinum neurotoxin E in neurons, and that this protein may be important for the integrity of the glomerular filtration barrier. This gene shows reduced expression in areas of synaptic loss in the hippocampus of human temporal lobe epilepsy patients. [provided by RefSeq, Sep 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.051172405).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SV2BNM_001323032.3 linkuse as main transcriptc.32G>C p.Gly11Ala missense_variant 2/13 ENST00000394232.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SV2BENST00000394232.6 linkuse as main transcriptc.32G>C p.Gly11Ala missense_variant 2/135 NM_001323032.3 P1Q7L1I2-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461846
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
727216
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.088
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.50
CADD
Benign
9.9
DANN
Benign
0.79
DEOGEN2
Benign
0.070
T;T
Eigen
Benign
-0.71
Eigen_PC
Benign
-0.57
FATHMM_MKL
Uncertain
0.95
D
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.051
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.69
N;N
MutationTaster
Benign
0.99
D;D;D
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-0.65
N;N
REVEL
Benign
0.060
Sift
Benign
0.59
T;T
Sift4G
Benign
0.71
T;T
Polyphen
0.020
B;B
Vest4
0.13
MutPred
0.17
Gain of catalytic residue at G11 (P = 0.0232);Gain of catalytic residue at G11 (P = 0.0232);
MVP
0.12
MPC
0.32
ClinPred
0.073
T
GERP RS
2.2
Varity_R
0.048
gMVP
0.25

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr15-91769525; API