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rs1447189148

Variant summary

Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_203486.3(DLL3):c.534C>A(p.Cys178Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000347 in 1,440,640 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 Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000031 ( 0 hom. )

Consequence

DLL3
NM_203486.3 stop_gained

Scores

2
3
2

Clinical Significance

Likely pathogenic criteria provided, multiple submitters, no conflicts P:2

Conservation

PhyloP100: 2.33
Variant links:
Genes affected
DLL3 (HGNC:2909): (delta like canonical Notch ligand 3) This gene encodes a member of the delta protein ligand family. This family functions as Notch ligands that are characterized by a DSL domain, EGF repeats, and a transmembrane domain. Mutations in this gene cause autosomal recessive spondylocostal dysostosis 1. Two transcript variants encoding distinct isoforms have been identified for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 18 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 19-39502939-C-A is Pathogenic according to our data. Variant chr19-39502939-C-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 559885.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DLL3NM_203486.3 linkuse as main transcriptc.534C>A p.Cys178Ter stop_gained 4/9 ENST00000356433.10
DLL3NM_016941.4 linkuse as main transcriptc.534C>A p.Cys178Ter stop_gained 4/8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DLL3ENST00000356433.10 linkuse as main transcriptc.534C>A p.Cys178Ter stop_gained 4/92 NM_203486.3 P1Q9NYJ7-2
DLL3ENST00000205143.4 linkuse as main transcriptc.534C>A p.Cys178Ter stop_gained 4/81 Q9NYJ7-1
DLL3ENST00000600437.1 linkuse as main transcriptn.614C>A non_coding_transcript_exon_variant 4/61
DLL3ENST00000596614.5 linkuse as main transcriptc.409+2267C>A intron_variant 2

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
151968
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000310
AC:
4
AN:
1288672
Hom.:
0
Cov.:
36
AF XY:
0.00000630
AC XY:
4
AN XY:
634420
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:
0.00000290
Gnomad4 OTH exome
AF:
0.0000188
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
151968
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74228
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Spondylocostal dysostosis 1, autosomal recessive Pathogenic:2
Likely pathogenic, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsAug 25, 2021- -
Likely pathogenic, criteria provided, single submitterclinical testingEquipe Genetique des Anomalies du Developpement, Université de BourgogneJun 23, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.63
D
BayesDel_noAF
Pathogenic
0.50
Cadd
Pathogenic
36
Dann
Uncertain
0.99
Eigen
Uncertain
0.43
Eigen_PC
Benign
0.18
FATHMM_MKL
Uncertain
0.90
D
MutationTaster
Benign
1.0
A;A
Vest4
0.68
GERP RS
2.6

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: rs1447189148; hg19: chr19-39993579; API