20-10639738-A-G

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_000214.3(JAG1):​c.3417T>C​(p.Tyr1139Tyr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.647 in 1,613,856 control chromosomes in the GnomAD database, including 342,200 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.71 ( 39477 hom., cov: 32)
Exomes 𝑓: 0.64 ( 302723 hom. )

Consequence

JAG1
NM_000214.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:13

Conservation

PhyloP100: -0.470
Variant links:
Genes affected
JAG1 (HGNC:6188): (jagged canonical Notch ligand 1) The jagged 1 protein encoded by JAG1 is the human homolog of the Drosophilia jagged protein. Human jagged 1 is the ligand for the receptor notch 1, the latter is involved in signaling processes. Mutations that alter the jagged 1 protein cause Alagille syndrome. Jagged 1 signalling through notch 1 has also been shown to play a role in hematopoiesis. [provided by RefSeq, Nov 2019]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.73).
BP6
Variant 20-10639738-A-G is Benign according to our data. Variant chr20-10639738-A-G is described in ClinVar as [Benign]. Clinvar id is 137595.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr20-10639738-A-G is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-0.47 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.893 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
JAG1NM_000214.3 linkc.3417T>C p.Tyr1139Tyr synonymous_variant Exon 26 of 26 ENST00000254958.10 NP_000205.1 P78504-1Q99740

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
JAG1ENST00000254958.10 linkc.3417T>C p.Tyr1139Tyr synonymous_variant Exon 26 of 26 1 NM_000214.3 ENSP00000254958.4 P78504-1
JAG1ENST00000423891.6 linkn.3283T>C non_coding_transcript_exon_variant Exon 24 of 25 2
JAG1ENST00000617357.1 linkn.*132T>C downstream_gene_variant 2

Frequencies

GnomAD3 genomes
AF:
0.708
AC:
107636
AN:
152002
Hom.:
39419
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.901
Gnomad AMI
AF:
0.771
Gnomad AMR
AF:
0.684
Gnomad ASJ
AF:
0.596
Gnomad EAS
AF:
0.444
Gnomad SAS
AF:
0.766
Gnomad FIN
AF:
0.569
Gnomad MID
AF:
0.655
Gnomad NFE
AF:
0.639
Gnomad OTH
AF:
0.707
GnomAD3 exomes
AF:
0.651
AC:
163796
AN:
251484
Hom.:
54765
AF XY:
0.653
AC XY:
88727
AN XY:
135916
show subpopulations
Gnomad AFR exome
AF:
0.905
Gnomad AMR exome
AF:
0.641
Gnomad ASJ exome
AF:
0.609
Gnomad EAS exome
AF:
0.432
Gnomad SAS exome
AF:
0.771
Gnomad FIN exome
AF:
0.575
Gnomad NFE exome
AF:
0.641
Gnomad OTH exome
AF:
0.639
GnomAD4 exome
AF:
0.640
AC:
935653
AN:
1461736
Hom.:
302723
Cov.:
48
AF XY:
0.643
AC XY:
467708
AN XY:
727188
show subpopulations
Gnomad4 AFR exome
AF:
0.909
Gnomad4 AMR exome
AF:
0.639
Gnomad4 ASJ exome
AF:
0.606
Gnomad4 EAS exome
AF:
0.428
Gnomad4 SAS exome
AF:
0.765
Gnomad4 FIN exome
AF:
0.577
Gnomad4 NFE exome
AF:
0.634
Gnomad4 OTH exome
AF:
0.642
GnomAD4 genome
AF:
0.708
AC:
107755
AN:
152120
Hom.:
39477
Cov.:
32
AF XY:
0.705
AC XY:
52450
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.901
Gnomad4 AMR
AF:
0.684
Gnomad4 ASJ
AF:
0.596
Gnomad4 EAS
AF:
0.444
Gnomad4 SAS
AF:
0.765
Gnomad4 FIN
AF:
0.569
Gnomad4 NFE
AF:
0.639
Gnomad4 OTH
AF:
0.706
Alfa
AF:
0.661
Hom.:
23751
Bravo
AF:
0.716
Asia WGS
AF:
0.629
AC:
2189
AN:
3478
EpiCase
AF:
0.641
EpiControl
AF:
0.643

ClinVar

Significance: Benign
Submissions summary: Benign:13
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:5
-
Clinical Genetics, Academic Medical Center
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

May 30, 2018
Eurofins Ntd Llc (ga)
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Apr 04, 2023
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Alagille syndrome due to a JAG1 point mutation Benign:2
Aug 19, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 04, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Isolated Nonsyndromic Congenital Heart Disease Benign:1
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Deafness, congenital heart defects, and posterior embryotoxon Benign:1
Aug 19, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:1
-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

JAG1-related disorder Benign:1
Feb 07, 2023
PreventionGenetics, part of Exact Sciences
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Tetralogy of Fallot Benign:1
Aug 19, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Cardiovascular phenotype Benign:1
Jun 12, 2015
Ambry Genetics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.73
CADD
Benign
0.49
DANN
Benign
0.59

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: rs1051419; hg19: chr20-10620386; COSMIC: COSV54753151; COSMIC: COSV54753151; API