Genetic Variant XRCC5:p.Asp180Glu (chr2-216122110-T-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_021141.4(XRCC5):c.540T>G(p.Asp180Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,816 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

XRCC5
NM_021141.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.05

Publications

0 publications found

Variant links:

Genes affected

XRCC5 (HGNC:12833): (X-ray repair cross complementing 5) The protein encoded by this gene is the 80-kilodalton subunit of the Ku heterodimer protein which is also known as ATP-dependant DNA helicase II or DNA repair protein XRCC5. Ku is the DNA-binding component of the DNA-dependent protein kinase, and it functions together with the DNA ligase IV-XRCC4 complex in the repair of DNA double-strand break by non-homologous end joining and the completion of V(D)J recombination events. This gene functionally complements Chinese hamster xrs-6, a mutant defective in DNA double-strand break repair and in ability to undergo V(D)J recombination. A rare microsatellite polymorphism in this gene is associated with cancer in patients of varying radiosensitivity. [provided by RefSeq, Jul 2008]

XRCC5 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.09332338).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
XRCC5	NM_021141.4 link	c.540T>G	p.Asp180Glu	missense_variant	Exon 6 of 21	ENST00000392132.7	NP_066964.1	P13010

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
XRCC5	ENST00000392132.7 link	c.540T>G	p.Asp180Glu	missense_variant	Exon 6 of 21	1	NM_021141.4	ENSP00000375977.2	P13010
XRCC5	ENST00000460284.5 link	n.1082T>G		non_coding_transcript_exon_variant	Exon 3 of 18	1
XRCC5	ENST00000392133.7 link	c.540T>G	p.Asp180Glu	missense_variant	Exon 8 of 23	5		ENSP00000375978.3	P13010

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461816

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727218

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111980

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.097

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.65

CADD

Benign

6.5

(source)

DANN

Benign

0.91

DEOGEN2

Benign

0.20

T;T

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.30

LIST_S2

Benign

0.53

.;T

M_CAP

Benign

0.0026

MetaRNN

Benign

0.093

T;T

MetaSVM

Benign

-0.99

MutationAssessor

Benign

1.5

L;L

PhyloP100

-1.0

PrimateAI

Benign

0.40

PROVEAN

Benign

-1.1

N;N

REVEL

Benign

0.050

Sift

Benign

0.030

D;D

Sift4G

Uncertain

0.028

D;D

Polyphen

0.29

B;B

Vest4

0.12

MutPred

0.44

Gain of methylation at R178 (P = 0.1587);Gain of methylation at R178 (P = 0.1587);

MVP

0.12

MPC

0.77

ClinPred

0.18

GERP RS

-2.5

Varity_R

0.060

gMVP

0.21

Mutation Taster

=86/14

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over