Genetic Variant NHEJ1:c.826-13C>T (chr2-219076468-G-A) – ACMG Classification: Benign (-10 pts)

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS1

The NM_024782.3(NHEJ1):c.826-13C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000663 in 1,613,254 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 30)

Exomes 𝑓: 0.000062 ( 0 hom. )

Consequence

NHEJ1
NM_024782.3 intron

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.752

Publications

1 publications found

Variant links:

Genes affected

NHEJ1 (HGNC:25737): (non-homologous end joining factor 1) Double-strand breaks in DNA result from genotoxic stresses and are among the most damaging of DNA lesions. This gene encodes a DNA repair factor essential for the nonhomologous end-joining pathway, which preferentially mediates repair of double-stranded breaks. Mutations in this gene cause different kinds of severe combined immunodeficiency disorders. [provided by RefSeq, Jul 2008]

NHEJ1 Gene-Disease associations (from GenCC):

Cernunnos-XLF deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Orphanet, Labcorp Genetics (formerly Invitae)

NHEJ1 links:

ENSG00000280537 (HGNC:):

ENSG00000280537 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.56).

BP6

Variant 2-219076468-G-A is Benign according to our data. Variant chr2-219076468-G-A is described in ClinVar as [Benign]. Clinvar id is 1165694.Status of the report is criteria_provided_single_submitter, 1 stars.

BS1

Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.000105 (16/152102) while in subpopulation EAS AF = 0.00213 (11/5174). AF 95% confidence interval is 0.00119. There are 0 homozygotes in GnomAd4. There are 7 alleles in the male GnomAd4 subpopulation. Median coverage is 30. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
NHEJ1	NM_024782.3 link	c.826-13C>T	intron_variant	Intron 7 of 7	ENST00000356853.10	NP_079058.1	Q9H9Q4-1
NHEJ1	NM_001377499.1 link	c.841-13C>T	intron_variant	Intron 7 of 7		NP_001364428.1
NHEJ1	NM_001377498.1 link	c.826-13C>T	intron_variant	Intron 7 of 7		NP_001364427.1
NHEJ1	NR_165304.1 link	n.1004-13C>T	intron_variant	Intron 8 of 8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NHEJ1	ENST00000356853.10 link	c.826-13C>T		intron_variant	Intron 7 of 7	1	NM_024782.3	ENSP00000349313.5		Q9H9Q4-1
ENSG00000280537	ENST00000318673.6 link	n.*1948-13C>T		intron_variant	Intron 16 of 16	2		ENSP00000320919.3		F8W735

Frequencies

GnomAD3 genomes

AF:

0.000105

AC:

AN:

151986

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000484

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00212

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.000960

GnomAD2 exomes

AF:

0.000222

AC:

AN:

248140

AF XY:

0.000201

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00279

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000623

AC:

AN:

1461152

Hom.:

Cov.:

AF XY:

0.0000578

AC XY:

AN XY:

726866

show subpopulations

African (AFR)

AF:

0.000120

AC:

AN:

33458

American (AMR)

AF:

0.00

AC:

AN:

44686

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26124

East Asian (EAS)

AF:

0.00189

AC:

AN:

39690

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86202

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53378

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5742

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111518

Other (OTH)

AF:

0.000116

AC:

AN:

60354

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000105

AC:

AN:

152102

Hom.:

Cov.:

AF XY:

0.0000941

AC XY:

AN XY:

74362

show subpopulations

African (AFR)

AF:

0.0000482

AC:

AN:

41466

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00213

AC:

AN:

5174

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10570

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68002

Other (OTH)

AF:

0.000950

AC:

AN:

2106

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.491

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.000113

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Cernunnos-XLF deficiency

Benign:1

Dec 10, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.56

CADD

Benign

2.9

(source)

DANN

Benign

0.72

PhyloP100

-0.75

Mutation Taster

=100/0

polymorphism

(source)

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

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chr2-219076468-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over