rs780001540

Variant summary

Our verdict is Pathogenic. Variant got 15 ACMG points: 16P and 1B. PVS1PP5_Very_StrongBS2_Supporting

The NM_005591.4(MRE11):​c.1447C>T​(p.Arg483*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,712 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

MRE11
NM_005591.4 stop_gained

Scores

2
4
1

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:4

Conservation

PhyloP100: 1.87
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 15 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PP5
Variant 11-94459461-G-A is Pathogenic according to our data. Variant chr11-94459461-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 231449.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAdExome4 at 6 AD gene. Variant has AC lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MRE11NM_005591.4 linkc.1447C>T p.Arg483* stop_gained Exon 13 of 20 ENST00000323929.8 NP_005582.1 P49959-1A0A024R395

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MRE11ENST00000323929.8 linkc.1447C>T p.Arg483* stop_gained Exon 13 of 20 1 NM_005591.4 ENSP00000325863.4 P49959-1
MRE11ENST00000323977.7 linkc.1447C>T p.Arg483* stop_gained Exon 13 of 19 1 ENSP00000326094.3 P49959-2
MRE11ENST00000407439.7 linkc.1456C>T p.Arg486* stop_gained Exon 13 of 20 2 ENSP00000385614.3 P49959-3
MRE11ENST00000393241.8 linkc.1447C>T p.Arg483* stop_gained Exon 13 of 20 5 ENSP00000376933.4 F8W7U8

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251342
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135836
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS 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:
0.00000410
AC:
6
AN:
1461712
Hom.:
0
Cov.:
31
AF XY:
0.00000688
AC XY:
5
AN XY:
727154
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Ataxia-telangiectasia-like disorder 1 Pathogenic:1
Feb 20, 2024
Baylor Genetics
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Hereditary cancer-predisposing syndrome Pathogenic:1
May 19, 2023
Ambry Genetics
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The p.R483* pathogenic mutation (also known as c.1447C>T), located in coding exon 12 of the MRE11A gene, results from a C to T substitution at nucleotide position 1447. This changes the amino acid from an arginine to a stop codon within coding exon 12. This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation. -

Ataxia-telangiectasia-like disorder Pathogenic:1
Mar 02, 2023
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

ClinVar contains an entry for this variant (Variation ID: 231449). This variant has not been reported in the literature in individuals affected with MRE11-related conditions. This variant is present in population databases (rs780001540, gnomAD 0.006%). This sequence change creates a premature translational stop signal (p.Arg483*) in the MRE11 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in MRE11 are known to be pathogenic (PMID: 23080121, 23912341). For these reasons, this variant has been classified as Pathogenic. -

Breast carcinoma Pathogenic:1
Aug 10, 2021
Medical Genetics Laboratory, Umraniye Training and Research Hospital, University of Health Sciences
Significance: Pathogenic
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.43
D
BayesDel_noAF
Pathogenic
0.55
CADD
Pathogenic
38
DANN
Uncertain
1.0
Eigen
Uncertain
0.64
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Uncertain
0.86
D
Vest4
0.89
GERP RS
2.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs780001540; hg19: chr11-94192627; API