NM_019074.4:c.1169G>A

Variant names:

• chr15-40935046-G-A
• rs796065346
• NM_019074.4:c.1169G>A

Variant summary

Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PM2 PM5 PP3_Strong PP5_Moderate

The NM_019074.4(DLL4):​c.1169G>A​(p.Cys390Tyr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C390R) has been classified as Pathogenic.

• Frequency: Genomes: not found (cov: 33)
• Consequence: DLL4 NM_019074.4 missense
• Clinical Significance: Pathogenic criteria provided, single submitter P:2
• Conservation: PhyloP100: 10.0
• Publications: 2 publications found

Genes affected

DLL4 (HGNC:2910): (delta like canonical Notch ligand 4) This gene is a homolog of the Drosophila delta gene. The delta gene family encodes Notch ligands that are characterized by a DSL domain, EGF repeats, and a transmembrane domain. [provided by RefSeq, Jul 2008]

DLL4 Gene-Disease associations (from GenCC):

• Adams-Oliver syndrome 6

  Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)
• Adams-Oliver syndrome

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• aplasia cutis congenita

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Pathogenic. The variant received 10 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PM5: Other missense variant is known to change same aminoacid residue: Variant chr15-40935045-T-C is described in ClinVar as Pathogenic. ClinVar VariationId is 204372.Status of the report is criteria_provided_single_submitter, 1 stars.
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.992
• PP5: Variant 15-40935046-G-A is Pathogenic according to our data. Variant chr15-40935046-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 204371.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DLL4	NM_019074.4	c.1169G>A	p.Cys390Tyr	missense_variant	Exon 8 of 11	ENST00000249749.7	NP_061947.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DLL4	ENST00000249749.7	c.1169G>A	p.Cys390Tyr	missense_variant	Exon 8 of 11	1	NM_019074.4	ENSP00000249749.5
DLL4	ENST00000559440.1	n.*125G>A		downstream_gene_variant		2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

Alfa AF: 0.00000538 Hom.: 0

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2

Revision: criteria provided, single submitter

Submissions by phenotype

Adams-Oliver syndrome 6 Pathogenic:1

Aug 19, 2015

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

- -

Adams-Oliver syndrome Pathogenic:1

-

Centre of Medical Genetics, University of Antwerp

Significance: Pathogenic

Review Status: criteria provided, single submitter

Collection Method: research

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.98
BayesDel_addAF	Pathogenic	0.58	D
BayesDel_noAF	Pathogenic	0.60
CADD	Pathogenic	28
DANN	Uncertain	1.0
DEOGEN2	Pathogenic	0.98	D;D
Eigen	Pathogenic	1.2
Eigen_PC	Pathogenic	1.1
FATHMM_MKL	Pathogenic	0.97	D
LIST_S2	Uncertain	0.91	.;D
M_CAP	Pathogenic	0.70	D
MetaRNN	Pathogenic	0.99	D;D
MetaSVM	Pathogenic	1.5	D
MutationAssessor	Pathogenic	4.7	H;H
PhyloP100		10
PrimateAI	Pathogenic	0.81	D
PROVEAN	Pathogenic	-11	.;D
REVEL	Pathogenic	0.92
Sift	Pathogenic	0.0	.;D
Sift4G	Pathogenic	0.0	.;D
Polyphen		1.0	D;D
Vest4		0.97
MutPred		0.89		Gain of phosphorylation at Y386 (P = 0.1463);Gain of phosphorylation at Y386 (P = 0.1463);
MVP		0.99
MPC		1.6
ClinPred		1.0	D
GERP RS		6.0
Varity_R		0.99
gMVP		0.99
Mutation Taster		=0/100	disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs796065346; hg19: chr15-41227244;