9-136497510-C-T

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 1P and 5B. PP3BP6BS2

The NM_017617.5(NOTCH1):​c.6229G>A​(p.Ala2077Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000323 in 1,610,812 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. A2077A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

NOTCH1
NM_017617.5 missense

Scores

5
7
6

Clinical Significance

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

Conservation

PhyloP100: 7.74

Publications

6 publications found
Variant links:
Genes affected
NOTCH1 (HGNC:7881): (notch receptor 1) This gene encodes a member of the NOTCH family of proteins. Members of this Type I transmembrane protein family share structural characteristics including an extracellular domain consisting of multiple epidermal growth factor-like (EGF) repeats, and an intracellular domain consisting of multiple different domain types. Notch signaling is an evolutionarily conserved intercellular signaling pathway that regulates interactions between physically adjacent cells through binding of Notch family receptors to their cognate ligands. The encoded preproprotein is proteolytically processed in the trans-Golgi network to generate two polypeptide chains that heterodimerize to form the mature cell-surface receptor. This receptor plays a role in the development of numerous cell and tissue types. Mutations in this gene are associated with aortic valve disease, Adams-Oliver syndrome, T-cell acute lymphoblastic leukemia, chronic lymphocytic leukemia, and head and neck squamous cell carcinoma. [provided by RefSeq, Jan 2016]
NOTCH1 Gene-Disease associations (from GenCC):
  • Adams-Oliver syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Illumina, Orphanet
  • Adams-Oliver syndrome 5
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine
  • aortic valve disease 1
    Inheritance: AD Classification: STRONG Submitted by: G2P, PanelApp Australia
  • connective tissue disorder
    Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
  • leukodystrophy
    Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
  • familial bicuspid aortic valve
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • familial thoracic aortic aneurysm and aortic dissection
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.818
BP6
Variant 9-136497510-C-T is Benign according to our data. Variant chr9-136497510-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 576914.
BS2
High AC in GnomAdExome4 at 49 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017617.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NOTCH1
NM_017617.5
MANE Select
c.6229G>Ap.Ala2077Thr
missense
Exon 34 of 34NP_060087.3

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NOTCH1
ENST00000651671.1
MANE Select
c.6229G>Ap.Ala2077Thr
missense
Exon 34 of 34ENSP00000498587.1
NOTCH1
ENST00000680133.1
c.6115G>Ap.Ala2039Thr
missense
Exon 33 of 33ENSP00000505319.1
NOTCH1
ENST00000680668.1
c.6115G>Ap.Ala2039Thr
missense
Exon 33 of 33ENSP00000506336.1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152096
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000165
AC:
4
AN:
242876
AF XY:
0.0000225
show subpopulations
Gnomad AFR exome
AF:
0.0000664
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000185
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000336
AC:
49
AN:
1458716
Hom.:
0
Cov.:
39
AF XY:
0.0000386
AC XY:
28
AN XY:
725618
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33466
American (AMR)
AF:
0.00
AC:
0
AN:
44688
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26092
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39670
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86220
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
51204
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5762
European-Non Finnish (NFE)
AF:
0.0000396
AC:
44
AN:
1111288
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60326
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
3
6
10
13
16
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152096
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74290
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41428
American (AMR)
AF:
0.00
AC:
0
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5170
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10616
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000441
AC:
3
AN:
67990
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.000113
Hom.:
0
Bravo
AF:
0.0000189
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

Familial thoracic aortic aneurysm and aortic dissection Uncertain:1
Feb 07, 2023
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The p.A2077T variant (also known as c.6229G>A), located in coding exon 34 of the NOTCH1 gene, results from a G to A substitution at nucleotide position 6229. The alanine at codon 2077 is replaced by threonine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

Adams-Oliver syndrome 5 Benign:1
Nov 27, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.070
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.32
T
Eigen
Uncertain
0.68
Eigen_PC
Pathogenic
0.71
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D
M_CAP
Benign
0.027
D
MetaRNN
Pathogenic
0.82
D
MetaSVM
Benign
-0.35
T
MutationAssessor
Benign
1.9
L
PhyloP100
7.7
PrimateAI
Pathogenic
0.82
D
PROVEAN
Uncertain
-3.1
D
REVEL
Uncertain
0.44
Sift
Uncertain
0.0050
D
Sift4G
Benign
0.12
T
Polyphen
1.0
D
Vest4
0.81
MutPred
0.55
Gain of glycosylation at A2077 (P = 0.0902)
MVP
0.75
MPC
1.8
ClinPred
0.75
D
GERP RS
5.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.56
Mutation Taster
=24/76
disease causing

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: rs759749364; hg19: chr9-139391962; API