rs367925853
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_006096.4(NDRG1):c.1109C>T(p.Ala370Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000514 in 1,576,934 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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. A370G) has been classified as Uncertain significance.
Frequency
Consequence
NM_006096.4 missense
Scores
Clinical Significance
Conservation
Publications
- Charcot-Marie-Tooth disease type 4DInheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Illumina
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ACMG classification
Our verdict: Likely_benign. The variant received -2 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000723 AC: 11AN: 152194Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.000102 AC: 19AN: 186416 AF XY: 0.0000899 show subpopulations
GnomAD4 exome AF: 0.0000491 AC: 70AN: 1424740Hom.: 0 Cov.: 30 AF XY: 0.0000539 AC XY: 38AN XY: 705022 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000723 AC: 11AN: 152194Hom.: 0 Cov.: 33 AF XY: 0.0000672 AC XY: 5AN XY: 74352 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Charcot-Marie-Tooth disease type 4D Uncertain:2
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Charcot-Marie-Tooth disease Uncertain:1
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Inborn genetic diseases Uncertain:1
The p.A370V variant (also known as c.1109C>T), located in coding exon 15 of the NDRG1 gene, results from a C to T substitution at nucleotide position 1109. The alanine at codon 370 is replaced by valine, an amino acid with similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
not provided Uncertain:1
Reported previously as a variant of uncertain significance in patients with suspected Charcot-Marie-Tooth disease; however, no segregation or further clinical information was provided (PMID: 32376792); In silico analysis indicates that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 32376792) -
Charcot-Marie-Tooth disease type 4 Uncertain:1
This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 370 of the NDRG1 protein (p.Ala370Val). This variant is present in population databases (rs367925853, gnomAD 0.1%). This missense change has been observed in individual(s) with clinical features of Charcot-Marie-Tooth disease (PMID: 32376792). ClinVar contains an entry for this variant (Variation ID: 543428). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at