rs587784154
Variant summary
Our verdict is Pathogenic. Variant got 19 ACMG points: 19P and 0B. PM1PM2PM5PP2PP3_StrongPP5_Very_Strong
The NM_022455.5(NSD1):c.5740C>T(p.Arg1914Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1914L) has been classified as Likely pathogenic.
Frequency
Consequence
NM_022455.5 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Pathogenic. Variant got 19 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD3 exomes AF: 0.00000796 AC: 2AN: 251412Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135880
GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461892Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 727248
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Sotos syndrome Pathogenic:3
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PM1, PM2, PM5, PP3, PP5 -
not provided Pathogenic:2
This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 1914 of the NSD1 protein (p.Arg1914Cys). This variant is present in population databases (rs587784154, gnomAD 0.01%). This missense change has been observed in individuals with Sotos syndrome (PMID: 15452385, 17565729). ClinVar contains an entry for this variant (Variation ID: 159375). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt NSD1 protein function with a positive predictive value of 95%. Experimental studies have shown that this missense change affects NSD1 function (PMID: 21196496). This variant disrupts the p.Arg1914Cys amino acid residue in NSD1. Other variant(s) that disrupt this residue have been determined to be pathogenic (Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic. -
Published functional studies demonstrate a damaging effect with reduced H3K36 histone lysine methyltransferase activity compared to wild-type (Qiao et al., 2011); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 15942875, 21196496, 15452385, 17565729, 28475857) -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at