chr5-177246710-C-G
Variant summary
Our verdict is Likely benign. The variant received -3 ACMG points: 1P and 4B. PP3BS2
The NM_022455.5(NSD1):c.4411C>G(p.Arg1471Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000434 in 1,613,806 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 Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1471Q) has been classified as Uncertain significance.
Frequency
Consequence
NM_022455.5 missense
Scores
Clinical Significance
Conservation
Publications
- Beckwith-Wiedemann syndrome due to NSD1 mutationInheritance: AD Classification: DEFINITIVE Submitted by: G2P
- Sotos syndromeInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P, ClinGen
- Sotos syndrome 1Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics
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ACMG classification
Our verdict: Likely_benign. The variant received -3 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152116Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.00000398 AC: 1AN: 251456 AF XY: 0.00000736 show subpopulations
GnomAD4 exome AF: 0.00000342 AC: 5AN: 1461690Hom.: 0 Cov.: 31 AF XY: 0.00000413 AC XY: 3AN XY: 727150 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000131 AC: 2AN: 152116Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74290 show subpopulations
ClinVar
Submissions by phenotype
Sotos syndrome Pathogenic:1Uncertain:1
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not provided Uncertain:1
This sequence change replaces arginine, which is basic and polar, with glycine, which is neutral and non-polar, at codon 1471 of the NSD1 protein (p.Arg1471Gly). This variant is present in population databases (rs570278338, gnomAD 0.0009%). This missense change has been observed in individual(s) with clinical features of Sotos syndrome (PMID: 14517949, 34580403). ClinVar contains an entry for this variant (Variation ID: 1164070). 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%. 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. -
NSD1-related disorder Uncertain:1
The NSD1 c.4411C>G variant is predicted to result in the amino acid substitution p.Arg1471Gly. This variant has been reported in individuals with Sotos syndrome or neurodevelopmental disorders (Kurotaki et al. 2003. PubMed ID: 14517949; Supplemental Table 1, Pode-Shakked et al. 2021. PubMed ID: 34580403). This variant is reported in 0.00088% of alleles in individuals of European (Non-Finnish) descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at