rs200562991
Variant summary
Our verdict is Likely benign. Variant got -6 ACMG points: 3P and 9B. PM1PP3BP6BS1BS2
The NM_017617.5(NOTCH1):c.1295C>T(p.Thr432Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000138 in 1,612,216 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_017617.5 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -6 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
NOTCH1 | NM_017617.5 | c.1295C>T | p.Thr432Met | missense_variant | Exon 8 of 34 | ENST00000651671.1 | NP_060087.3 | |
NOTCH1 | XM_011518717.3 | c.572C>T | p.Thr191Met | missense_variant | Exon 5 of 31 | XP_011517019.2 | ||
LOC124902310 | XR_007061865.1 | n.508-5420G>A | intron_variant | Intron 1 of 2 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.000125 AC: 19AN: 152072Hom.: 0 Cov.: 34
GnomAD3 exomes AF: 0.000202 AC: 50AN: 247362Hom.: 0 AF XY: 0.000178 AC XY: 24AN XY: 134894
GnomAD4 exome AF: 0.000140 AC: 204AN: 1460026Hom.: 2 Cov.: 35 AF XY: 0.000129 AC XY: 94AN XY: 726352
GnomAD4 genome AF: 0.000125 AC: 19AN: 152190Hom.: 0 Cov.: 34 AF XY: 0.000121 AC XY: 9AN XY: 74398
ClinVar
Submissions by phenotype
Familial thoracic aortic aneurysm and aortic dissection Uncertain:2
The p.T432M variant (also known as c.1295C>T), located in coding exon 8 of the NOTCH1 gene, results from a C to T substitution at nucleotide position 1295. The threonine at codon 432 is replaced by methionine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
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not provided Uncertain:1Benign:1
Has not been previously published as pathogenic or benign to our knowledge; In silico analysis supports that this missense variant has a deleterious effect on protein structure/function -
NOTCH1: BS1 -
Aortic valve disease 1;C4014970:Adams-Oliver syndrome 5 Uncertain:1
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not specified Benign:1
Variant summary: NOTCH1 c.1295C>T (p.Thr432Met) results in a non-conservative amino acid change located in an EGF-like calcium-binding repeat domain (IPR049883) of the encoded protein sequence. Four of four in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00013 in 1605242 control chromosomes in the gnomAD database, including 2 homozygotes. The observed variant frequency is approximately 215-fold of the estimated maximal expected allele frequency for a pathogenic variant in NOTCH1 causing Adams-Oliver Syndrome 5 phenotype (6.3e-07). To our knowledge, no occurrence of c.1295C>T in individuals affected with Adams-Oliver Syndrome 5 and no experimental evidence demonstrating its impact on protein function have been reported. ClinVar contains an entry for this variant (Variation ID: 520096). Based on the evidence outlined above, the variant was classified as benign. -
NOTCH1-related disorder Benign:1
This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
Adams-Oliver syndrome 5 Benign:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at