rs370863743
Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP5_Moderate
The NM_017909.4(RMND1):c.533C>T(p.Thr178Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000118 in 1,613,826 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★).
Frequency
Consequence
NM_017909.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 4 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152166Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.0000239 AC: 6AN: 251222Hom.: 0 AF XY: 0.0000221 AC XY: 3AN XY: 135754
GnomAD4 exome AF: 0.0000123 AC: 18AN: 1461542Hom.: 0 Cov.: 30 AF XY: 0.00000825 AC XY: 6AN XY: 727076
GnomAD4 genome AF: 0.00000657 AC: 1AN: 152284Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1AN XY: 74464
ClinVar
Submissions by phenotype
not provided Pathogenic:1
This sequence change replaces threonine, which is neutral and polar, with methionine, which is neutral and non-polar, at codon 178 of the RMND1 protein (p.Thr178Met). This variant is present in population databases (rs370863743, gnomAD 0.009%). This missense change has been observed in individual(s) with RMND1-related conditions (PMID: 27843092, 31506229, 31568715, 35368817). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 2136483). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt RMND1 protein function with a positive predictive value of 80%. This variant disrupts the p.Thr178 amino acid residue in RMND1. Other variant(s) that disrupt this residue have been observed in individuals with RMND1-related conditions (PMID: 27412952), which suggests that this may be a clinically significant amino acid residue. For these reasons, this variant has been classified as Pathogenic. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at