Genetic Variant MRE11:c.-105-1053G>A (chr11-94493959-C-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBS1BS2

The XM_011542837.3(MRE11):c.-105-1053G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00242 in 152,150 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0024 ( 3 hom., cov: 33)

Consequence

MRE11
XM_011542837.3 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.45

Publications

16 publications found

Variant links:

Genes affected

MRE11 (HGNC:7230): (MRE11 homolog, double strand break repair nuclease) This gene encodes a nuclear protein involved in homologous recombination, telomere length maintenance, and DNA double-strand break repair. By itself, the protein has 3' to 5' exonuclease activity and endonuclease activity. The protein forms a complex with the RAD50 homolog; this complex is required for nonhomologous joining of DNA ends and possesses increased single-stranded DNA endonuclease and 3' to 5' exonuclease activities. In conjunction with a DNA ligase, this protein promotes the joining of noncomplementary ends in vitro using short homologies near the ends of the DNA fragments. This gene has a pseudogene on chromosome 3. Alternative splicing of this gene results in two transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]

MRE11 links:

ANKRD49 (HGNC:25970): (ankyrin repeat domain 49) Involved in positive regulation of transcription, DNA-templated. Predicted to be located in nucleus. Predicted to be active in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

ANKRD49 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.76).

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00242 (368/152150) while in subpopulation AFR AF = 0.00814 (338/41528). AF 95% confidence interval is 0.00742. There are 3 homozygotes in GnomAd4. There are 164 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 3 AR,AD gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MRE11	NM_005591.4 link	c.-274G>A		upstream_gene_variant		ENST00000323929.8	NP_005582.1
ANKRD49	NM_017704.3 link	c.-167C>T		upstream_gene_variant		ENST00000544612.6	NP_060174.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MRE11	ENST00000323929.8 link	c.-274G>A		upstream_gene_variant		1	NM_005591.4	ENSP00000325863.4
ANKRD49	ENST00000544612.6 link	c.-167C>T		upstream_gene_variant		1	NM_017704.3	ENSP00000440396.1

Frequencies

GnomAD3 genomes

AF:

0.00241

AC:

366

AN:

152030

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00811

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000982

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.000473

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00287

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00242

AC:

368

AN:

152150

Hom.:

Cov.:

AF XY:

0.00221

AC XY:

164

AN XY:

74366

show subpopulations

African (AFR)

AF:

0.00814

AC:

338

AN:

41528

American (AMR)

AF:

0.000981

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5160

South Asian (SAS)

AF:

0.000207

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.000473

AC:

AN:

10570

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

67992

Other (OTH)

AF:

0.00284

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.0000735

Hom.:

373

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.76

CADD

Benign

0.043

(source)

DANN

Benign

0.84

PhyloP100

-1.4

PromoterAI

-0.051

Neutral

(source)

Mutation Taster

=300/0

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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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