chr19-15180765-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 4P and 2B. PM1PM2BP4_Moderate

The NM_000435.3(NOTCH3):​c.3058G>T​(p.Ala1020Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000138 in 1,449,920 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A1020P) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

NOTCH3
NM_000435.3 missense

Scores

2
17

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.262
Variant links:
Genes affected
NOTCH3 (HGNC:7883): (notch receptor 3) This gene encodes the third discovered human homologue of the Drosophilia melanogaster type I membrane protein notch. In Drosophilia, notch interaction with its cell-bound ligands (delta, serrate) establishes an intercellular signalling pathway that plays a key role in neural development. Homologues of the notch-ligands have also been identified in human, but precise interactions between these ligands and the human notch homologues remains to be determined. Mutations in NOTCH3 have been identified as the underlying cause of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM1
In a domain EGF-like 26 (size 34) in uniprot entity NOTC3_HUMAN there are 5 pathogenic changes around while only 0 benign (100%) in NM_000435.3
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.17076954).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NOTCH3NM_000435.3 linkuse as main transcriptc.3058G>T p.Ala1020Ser missense_variant 19/33 ENST00000263388.7 NP_000426.2
NOTCH3XM_005259924.5 linkuse as main transcriptc.2902G>T p.Ala968Ser missense_variant 18/32 XP_005259981.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NOTCH3ENST00000263388.7 linkuse as main transcriptc.3058G>T p.Ala1020Ser missense_variant 19/331 NM_000435.3 ENSP00000263388 P1
NOTCH3ENST00000601011.1 linkuse as main transcriptc.2899G>T p.Ala967Ser missense_variant 18/235 ENSP00000473138

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000876
AC:
2
AN:
228302
Hom.:
0
AF XY:
0.00000810
AC XY:
1
AN XY:
123390
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000622
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000138
AC:
2
AN:
1449920
Hom.:
0
Cov.:
34
AF XY:
0.00000139
AC XY:
1
AN XY:
720014
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000468
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000825
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.068
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.27
CADD
Benign
18
DANN
Uncertain
0.99
DEOGEN2
Benign
0.23
T;T
Eigen
Benign
-0.70
Eigen_PC
Benign
-0.74
FATHMM_MKL
Benign
0.18
N
LIST_S2
Benign
0.57
T;D
M_CAP
Uncertain
0.12
D
MetaRNN
Benign
0.17
T;T
MetaSVM
Benign
-0.30
T
MutationAssessor
Benign
0.19
N;.
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-0.57
N;.
REVEL
Benign
0.28
Sift
Benign
0.38
T;.
Sift4G
Benign
0.55
T;T
Polyphen
0.81
P;.
Vest4
0.28
MutPred
0.69
Gain of disorder (P = 0.0249);.;
MVP
0.88
MPC
0.51
ClinPred
0.10
T
GERP RS
1.4
Varity_R
0.068
gMVP
0.53

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs35769976; hg19: chr19-15291576; API