rs778823769

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBS1_Supporting

The NM_001033855.3(DCLRE1C):c.1733A>G(p.Tyr578Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00007 in 1,614,126 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Y578H) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00030 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000046 ( 1 hom. )

Consequence

DCLRE1C
NM_001033855.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: -0.764

Publications

2 publications found

Variant links:

Genes affected

DCLRE1C (HGNC:17642): (DNA cross-link repair 1C) This gene encodes a nuclear protein that is involved in V(D)J recombination and DNA repair. The encoded protein has single-strand-specific 5'-3' exonuclease activity; it also exhibits endonuclease activity on 5' and 3' overhangs and hairpins. The protein also functions in the regulation of the cell cycle in response to DNA damage. Mutations in this gene can cause Athabascan-type severe combined immunodeficiency (SCIDA) and Omenn syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]

DCLRE1C Gene-Disease associations (from GenCC):

Omenn syndrome
Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE, LIMITED Submitted by: G2P, Orphanet, Ambry Genetics
severe combined immunodeficiency due to DCLRE1C deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics

DCLRE1C links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.013534337).

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000302 (46/152244) while in subpopulation AMR AF = 0.00275 (42/15282). AF 95% confidence interval is 0.00209. There are 0 homozygotes in GnomAd4. There are 33 alleles in the male GnomAd4 subpopulation. Median coverage is 31. This position passed quality control check. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001033855.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DCLRE1C	NM_001033855.3	MANE Select	c.1733A>G	p.Tyr578Cys	missense	Exon 14 of 14	NP_001029027.1	Q96SD1-1
DCLRE1C	NM_001350965.2		c.1733A>G	p.Tyr578Cys	missense	Exon 14 of 15	NP_001337894.1	A0A8V8TKN9
DCLRE1C	NM_001289076.2		c.1388A>G	p.Tyr463Cys	missense	Exon 12 of 12	NP_001276005.1	Q96SD1-3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DCLRE1C	ENST00000378278.7	TSL:1 MANE Select	c.1733A>G	p.Tyr578Cys	missense	Exon 14 of 14	ENSP00000367527.2	Q96SD1-1
DCLRE1C	ENST00000378289.8	TSL:1	c.1157-9442A>G		intron	N/A	ENSP00000367538.4	Q96SD1-4
DCLRE1C	ENST00000357717.6	TSL:1	n.*1391A>G		non_coding_transcript_exon	Exon 12 of 12	ENSP00000350349.3	A0A9S7JGJ5

Frequencies

GnomAD3 genomes

AF:

0.000302

AC:

AN:

152244

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000964

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00275

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

GnomAD2 exomes

AF:

0.000183

AC:

AN:

251350

AF XY:

0.000133

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00133

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000458

AC:

AN:

1461882

Hom.:

Cov.:

AF XY:

0.0000358

AC XY:

AN XY:

727242

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00139

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112002

Other (OTH)

AF:

0.0000662

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000302

AC:

AN:

152244

Hom.:

Cov.:

AF XY:

0.000444

AC XY:

AN XY:

74388

show subpopulations

African (AFR)

AF:

0.0000964

AC:

AN:

41476

American (AMR)

AF:

0.00275

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.514

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000132

Hom.:

Bravo

AF:

0.000280

ExAC

AF:

0.0000412

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Severe combined immunodeficiency due to DCLRE1C deficiency (1)

Severe combined immunodeficiency due to DCLRE1C deficiency;C2700553:Histiocytic medullary reticulosis (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.056

BayesDel_addAF

Benign

-0.66

BayesDel_noAF

Benign

-0.76

CADD

Benign

1.2

(source)

DANN

Benign

0.56

DEOGEN2

Benign

0.10

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.098

LIST_S2

Benign

0.68

M_CAP

Benign

0.0021

MetaRNN

Benign

0.014

MetaSVM

Benign

-0.98

MutationAssessor

Benign

0.54

PhyloP100

-0.76

PrimateAI

Benign

0.27

PROVEAN

Benign

-0.30

REVEL

Benign

0.0060

Sift

Benign

0.15

Sift4G

Benign

0.15

Polyphen

0.0010

Vest4

0.067

MVP

0.14

MPC

0.050

ClinPred

0.030

GERP RS

-7.4

Varity_R

0.036

gMVP

0.16

Mutation Taster

=91/9

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over