rs768995193
Variant summary
Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4
The NM_020631.6(PLEKHG5):c.2564C>T(p.Ser855Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000709 in 1,607,120 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. S855S) has been classified as Likely benign.
Frequency
Consequence
NM_020631.6 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 1 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152194Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.0000418 AC: 10AN: 239320Hom.: 0 AF XY: 0.0000382 AC XY: 5AN XY: 130880
GnomAD4 exome AF: 0.0000770 AC: 112AN: 1454926Hom.: 0 Cov.: 32 AF XY: 0.0000775 AC XY: 56AN XY: 722654
GnomAD4 genome AF: 0.0000131 AC: 2AN: 152194Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1AN XY: 74340
ClinVar
Submissions by phenotype
Inborn genetic diseases Uncertain:1
The p.S855L variant (also known as c.2564C>T), located in coding exon 19 of the PLEKHG5 gene, results from a C to T substitution at nucleotide position 2564. The serine at codon 855 is replaced by leucine, an amino acid with dissimilar properties. This amino acid position is conserved. 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. -
Neuronopathy, distal hereditary motor, autosomal recessive 4;C3809309:Charcot-Marie-Tooth disease recessive intermediate C Uncertain:1
This sequence change replaces serine, which is neutral and polar, with leucine, which is neutral and non-polar, at codon 855 of the PLEKHG5 protein (p.Ser855Leu). This variant is present in population databases (rs768995193, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with PLEKHG5-related conditions. ClinVar contains an entry for this variant (Variation ID: 195528). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. 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. -
not provided Uncertain:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at