rs1180796619

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_002485.5(NBN):​c.1425G>T​(p.Met475Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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 nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M475T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Consequence

NBN
NM_002485.5 missense

Scores

18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.239

Publications

0 publications found
Variant links:
Genes affected
NBN (HGNC:7652): (nibrin) Mutations in this gene are associated with Nijmegen breakage syndrome, an autosomal recessive chromosomal instability syndrome characterized by microcephaly, growth retardation, immunodeficiency, and cancer predisposition. The encoded protein is a member of the MRE11/RAD50 double-strand break repair complex which consists of 5 proteins. This gene product is thought to be involved in DNA double-strand break repair and DNA damage-induced checkpoint activation. [provided by RefSeq, Jul 2008]
NBN Gene-Disease associations (from GenCC):
  • Nijmegen breakage syndrome
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Myriad Women’s Health, G2P, Orphanet, ClinGen
  • rhabdomyosarcoma
    Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
  • idiopathic aplastic anemia
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)
  • prostate cancer
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
  • hereditary breast carcinoma
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.021368116).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002485.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NBN
NM_002485.5
MANE Select
c.1425G>Tp.Met475Ile
missense
Exon 11 of 16NP_002476.2
NBN
NM_001024688.3
c.1179G>Tp.Met393Ile
missense
Exon 12 of 17NP_001019859.1A0A0C4DG07
NBN
NM_001440379.1
c.1179G>Tp.Met393Ile
missense
Exon 11 of 16NP_001427308.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NBN
ENST00000265433.8
TSL:1 MANE Select
c.1425G>Tp.Met475Ile
missense
Exon 11 of 16ENSP00000265433.4O60934
NBN
ENST00000697309.1
c.1425G>Tp.Met475Ile
missense
Exon 11 of 15ENSP00000513244.1A0A8V8TKY5
NBN
ENST00000697293.1
c.1425G>Tp.Met475Ile
missense
Exon 11 of 17ENSP00000513230.1A0A8V8TM80

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
32
GnomAD4 genome
Cov.:
32

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Hereditary cancer-predisposing syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.59
CADD
Benign
12
DANN
Benign
0.83
DEOGEN2
Benign
0.057
T
Eigen
Benign
-1.2
Eigen_PC
Benign
-0.97
FATHMM_MKL
Benign
0.12
N
LIST_S2
Benign
0.37
T
M_CAP
Benign
0.0066
T
MetaRNN
Benign
0.021
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.75
N
PhyloP100
-0.24
PrimateAI
Benign
0.35
T
PROVEAN
Benign
-0.49
N
REVEL
Benign
0.037
Sift
Benign
0.56
T
Sift4G
Benign
0.55
T
Polyphen
0.0
B
Vest4
0.093
MutPred
0.13
Loss of catalytic residue at M475 (P = 0.0299)
MVP
0.49
MPC
0.074
ClinPred
0.026
T
GERP RS
1.1
PromoterAI
-0.0012
Neutral
Varity_R
0.027
gMVP
0.17
Mutation Taster
=96/4
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs1180796619; hg19: chr8-90965892; API