NM_019074.4:c.187A>G

Variant names:

• chr15-40929967-A-G
• NM_019074.4:c.187A>G

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Moderate PP5_Moderate

The NM_019074.4(DLL4):​c.187A>G​(p.Lys63Glu) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: DLL4 NM_019074.4 missense
• Clinical Significance: Likely pathogenic criteria provided, single submitter P:1
• Conservation: PhyloP100: 6.87
• Publications: 0 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: Labcorp Genetics (formerly Invitae), G2P
• Adams-Oliver syndrome

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

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.929
• PP5: Variant 15-40929967-A-G is Pathogenic according to our data. Variant chr15-40929967-A-G is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 3066222.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_019074.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DLL4	NM_019074.4	MANE Select	c.187A>G	p.Lys63Glu	missense	Exon 2 of 11	NP_061947.1	Q9NR61

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DLL4	ENST00000249749.7	TSL:1 MANE Select	c.187A>G	p.Lys63Glu	missense	Exon 2 of 11	ENSP00000249749.5	Q9NR61
	DLL4	ENST00000878560.1		c.160A>G	p.Lys54Glu	missense	Exon 2 of 11	ENSP00000548619.1
	DLL4	ENST00000878561.1		c.187A>G	p.Lys63Glu	missense	Exon 2 of 8	ENSP00000548620.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Likely pathogenic

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
1	-	-	Adams-Oliver syndrome 6 (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.84
BayesDel_addAF	Pathogenic	0.40	D
BayesDel_noAF	Pathogenic	0.34
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Pathogenic	0.95	D
Eigen	Uncertain	0.63
Eigen_PC	Uncertain	0.61
FATHMM_MKL	Uncertain	0.94	D
LIST_S2	Uncertain	0.92	D
M_CAP	Pathogenic	0.38	D
MetaRNN	Pathogenic	0.93	D
MetaSVM	Pathogenic	1.1	D
MutationAssessor	Pathogenic	3.3	M
PhyloP100		6.9
PrimateAI	Uncertain	0.75	T
PROVEAN	Uncertain	-3.0	D
REVEL	Pathogenic	0.91
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.0070	D
Polyphen		0.74	P
Vest4		0.73
MutPred		0.71		Loss of methylation at K63 (P = 0.0136)
MVP		0.95
MPC		2.6
ClinPred		1.0	D
GERP RS		4.6
Varity_R		0.92
gMVP		0.98
Mutation Taster		=41/59	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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

hg19: chr15-41222165;