3-10149951-C-T
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate
The NM_000551.4(VHL):c.628C>T(p.Arg210Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000235 in 1,613,774 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R210Q) has been classified as Likely benign.
Frequency
Consequence
NM_000551.4 missense
Scores
Clinical Significance
Conservation
Publications
- pheochromocytomaInheritance: AD Classification: DEFINITIVE Submitted by: G2P
- von Hippel-Lindau diseaseInheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P, Orphanet
- renal cell carcinomaInheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
- autosomal recessive secondary polycythemia not associated with VHL geneInheritance: AR Classification: STRONG Submitted by: Ambry Genetics
- Chuvash polycythemiaInheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Orphanet
- hereditary pheochromocytoma-paragangliomaInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
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ACMG classification
Our verdict: Likely_benign. The variant received -2 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| VHL | NM_000551.4 | c.628C>T | p.Arg210Trp | missense_variant | Exon 3 of 3 | ENST00000256474.3 | NP_000542.1 | |
| VHL | NM_198156.3 | c.505C>T | p.Arg169Trp | missense_variant | Exon 2 of 2 | NP_937799.1 | ||
| VHL | NR_176335.1 | n.957C>T | non_coding_transcript_exon_variant | Exon 4 of 4 | ||||
| VHL | NM_001354723.2 | c.*182C>T | 3_prime_UTR_variant | Exon 3 of 3 | NP_001341652.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152190Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.0000359 AC: 9AN: 250896 AF XY: 0.0000442 show subpopulations
GnomAD4 exome AF: 0.0000239 AC: 35AN: 1461584Hom.: 0 Cov.: 30 AF XY: 0.0000220 AC XY: 16AN XY: 727094 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000197 AC: 3AN: 152190Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74350 show subpopulations
ClinVar
Submissions by phenotype
not provided Uncertain:2
To the best of our knowledge, the variant has not been reported as a germline variant in the published literature. The frequency of this variant in the general population, 0.00016 (3/18374 chromosomes in East Asian subpopulation, http://gnomad.broadinstitute.org), is higher than would generally be expected for pathogenic variants in this gene. Analysis of this variant using bioinformatics tools for the prediction of the effect of amino acid changes on protein structure and function yielded predictions that this variant is benign. Based on the available information, we are unable to determine the clinical significance of this variant. -
In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as a pathogenic or benign germline variant to our knowledge; This variant is associated with the following publications: (PMID: 9067265, 22549840, 20151405) -
Von Hippel-Lindau syndrome Uncertain:1Benign:1
This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -
This variant is considered likely benign. This variant has been observed at a population frequency that is significantly greater than expected given the associated disease prevalence and penetrance. -
Maffucci syndrome Pathogenic:1
- -
not specified Uncertain:1
Classification criteria: BS1 -
Chuvash polycythemia Uncertain:1
- -
Von Hippel-Lindau syndrome;C1837915:Chuvash polycythemia Uncertain:1
This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 210 of the VHL protein (p.Arg210Trp). This variant is present in population databases (rs774380450, gnomAD 0.02%). This missense change has been observed in individual(s) with kidney cancer, brain cancer and/or pancreatic cancer (PMID: 37937776). ClinVar contains an entry for this variant (Variation ID: 220627). 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 not expected to disrupt VHL protein function with a negative 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. -
Von Hippel-Lindau syndrome;C0031511:Pheochromocytoma;C1837915:Chuvash polycythemia;CN074294:Nonpapillary renal cell carcinoma Uncertain:1
- -
Hereditary cancer-predisposing syndrome Benign:1
This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at