rs144080590
Variant summary
Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2
The NM_173728.4(ARHGEF15):c.316C>T(p.Arg106Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000482 in 1,597,680 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. R106L) has been classified as Uncertain significance.
Frequency
Consequence
NM_173728.4 missense
Scores
Clinical Significance
Conservation
Publications
- genetic developmental and epileptic encephalopathyInheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
- schizophreniaInheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)
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ACMG classification
Our verdict: Likely_benign. The variant received -6 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| ARHGEF15 | NM_173728.4 | c.316C>T | p.Arg106Cys | missense_variant | Exon 2 of 16 | ENST00000361926.8 | NP_776089.2 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000659 AC: 10AN: 151742Hom.: 0 Cov.: 30 show subpopulations
GnomAD2 exomes AF: 0.0000384 AC: 9AN: 234538 AF XY: 0.0000397 show subpopulations
GnomAD4 exome AF: 0.0000463 AC: 67AN: 1445822Hom.: 0 Cov.: 36 AF XY: 0.0000334 AC XY: 24AN XY: 717972 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000659 AC: 10AN: 151858Hom.: 0 Cov.: 30 AF XY: 0.0000808 AC XY: 6AN XY: 74222 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not specified Uncertain:2
- -
The c.316C>T (p.R106C) alteration is located in exon 2 (coding exon 1) of the ARHGEF15 gene. This alteration results from a C to T substitution at nucleotide position 316, causing the arginine (R) at amino acid position 106 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -
Developmental and epileptic encephalopathy Uncertain:1
This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 106 of the ARHGEF15 protein (p.Arg106Cys). This variant is present in population databases (rs144080590, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with ARHGEF15-related conditions. ClinVar contains an entry for this variant (Variation ID: 434299). 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