2-158815732-C-T

Variant names:

• chr2-158815732-C-T
• rs774199801
• NM_001017920.3:c.235C>T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_001017920.3(DAPL1):​c.235C>T​(p.His79Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,456 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H79D) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: DAPL1 NM_001017920.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.04
• Publications: 0 publications found

Genes affected

DAPL1 (HGNC:21490): (death associated protein like 1) Predicted to enable death domain binding activity. Predicted to be involved in apoptotic signaling pathway; cellular response to amino acid starvation; and negative regulation of autophagy. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.27095705).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001017920.3. 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
	DAPL1	NM_001017920.3	MANE Select	c.235C>T	p.His79Tyr	missense	Exon 4 of 4	NP_001017920.2	M1E9T5

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DAPL1	ENST00000309950.8	TSL:1 MANE Select	c.235C>T	p.His79Tyr	missense	Exon 4 of 4	ENSP00000309538.4	A0PJW8
	DAPL1	ENST00000621326.4	TSL:1	c.354C>T	p.Cys118Cys	synonymous	Exon 5 of 5	ENSP00000479872.1	M1EA23
	DAPL1	ENST00000343761.4	TSL:3	c.132+8617C>T		intron	N/A	ENSP00000385306.2	H0Y3U5

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000398 AC: 1 AN: 251356 AF XY: 0.00000736

Gnomad AFR exome AF: 0.00

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: 0.00000880

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461456 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 727082

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86246

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5766

European-Non Finnish (NFE) AF: 9.00e-7 AC: 1 AN: 1111606

Other (OTH) AF: 0.00 AC: 0 AN: 60382

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

EpiCase AF: 0.0000545

EpiControl AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.10
BayesDel_addAF	Benign	-0.021	T
BayesDel_noAF	Benign	-0.27
CADD	Benign	22
DANN	Uncertain	1.0
DEOGEN2	Benign	0.023	T
Eigen	Uncertain	0.54
Eigen_PC	Uncertain	0.56
FATHMM_MKL	Uncertain	0.88	D
LIST_S2	Benign	0.75	T
M_CAP	Benign	0.0088	T
MetaRNN	Benign	0.27	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Uncertain	2.4	M
PhyloP100		5.0
PrimateAI	Benign	0.46	T
PROVEAN	Benign	-1.1	N
REVEL	Benign	0.13
Sift	Uncertain	0.026	D
Sift4G	Uncertain	0.030	D
Polyphen		0.94	P
Vest4		0.33
MutPred		0.33		Gain of phosphorylation at H79 (P = 0.0346)
MVP		0.19
MPC		0.050
ClinPred		0.92	D
GERP RS		5.8
Varity_R		0.26
gMVP		0.11
Mutation Taster		=87/13	polymorphism

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: rs774199801; hg19: chr2-159672244;