About VHL
No gene-level summary was recorded for this case.
No variant summary was recorded for this case.
Five-step scale from benign to pathogenic. This variant is benign. Select a step to read what it means.
Benign.A benign classification under the recorded framework.
Gene-level background from the recorded interpretation.
Words with a dotted underline have a short definition. Hover or tap them.No gene-level summary was recorded for this case.
The recorded framework is ClinGen VHL VCEP v1.1.0. The criteria and strengths shown below come from the saved assessment; this page does not recalculate the classification.
The applied criteria and their strengths are shown as assessed under the stated framework.
No pathogenic criterion marked as applied in the recorded assessment.
VHL VCEP BA1 threshold: GroupMax FAF ≥ 0.000156 (0.0156%) in gnomAD v4. This variant has gnomAD v4 GroupMax FAF = 0.0008611 (0.08611%) in the African/African American population (78/74,388 alleles, 1 homozygote). This is approximately 5.5-fold above the BA1 cutoff. The variant is also observed in gnomAD v2.1 with grpmax FAF 0.00037662 in the same population group. BA1 is met as stand-alone benign evidence, independently sufficient to classify this variant as benign regardless of other criteria.
VHL VCEP BS1 threshold: GroupMax FAF ≥ 0.0000156 (0.00156%) in gnomAD v4. This variant has gnomAD v4 GroupMax FAF = 0.0008611 (0.08611%), which is approximately 55-fold above the BS1 cutoff. BS1 is met as strong benign evidence. Note: BA1 (stand-alone) subsumes BS1; both are independently met.
VHL VCEP BP4: missense predictors should not be used for BP4, but BP4 can be applied to assess lack of splicing impact with SpliceAI ≤ 0.1 and VarSeak Class 1 or 2. This variant has SpliceAI max delta = 0.00, indicating no predicted splice impact. Per VCEP instructions, the SpliceAI score alone can be applied if VarSeak is unable to accept the variant type. The variant is a coding missense with no predicted effect on splicing.
Expert panel ClinGen VHL Variant Curation Expert Panel, ClinGen classified as Benign.
ClinGen VHL Expert Panel Specifications to the ACMG/AMP Variant Interpretation Guidelines for VHL Version 1.1.0 v1.1.0 criteria-combination framework: matched Rule17 (1 Benign.Stand Alone) with applied criteria: BA1 stand-alone benign, BS1 strong benign, BP4 supporting benign, BP6 supporting benign; maps to Benign.
Evidence summaries and captured source records, where available. Missing entries should not be interpreted as negative findings.
gnomAD v4.1: 107 / 1,583,178 alleles. Recorded AF 6.75856e-05. Recorded homozygote count 1.
This variant is present in gnomAD v2.1 (AF= 8.52477e-05; MAF= 0.00852%, 19/222880 alleles, homozygotes = 0) and has highest observed frequency in the African/African American population (AF= 0.000749866; MAF= 0.07499%, 14/18670 alleles, homozygotes = 0); grpmax FAF= 0.00037662.
This variant is present in gnomAD-Canada v1.0 (AF= 0.00016284876777765715, 3/18422 alleles, homozygotes = 0).
Recorded SpliceAI maximum delta score: 0.000. Refer to the recorded PP3/BP4 rationale for interpretation.
6 Uncertain significance · 4 Likely benign · 2 Benign.
OncoKB did not identify variant-specific reviewed functional evidence for this variant; gene-level curated context is available for reviewer follow-up. VHL, an E3 ubiquitin ligase, is frequently mutated in renal cell carcinomas.
This variant has previously been reported in somatic cancers (COSMIC; COSV56549582, n = 1 times).
This variant does not lie in a statistically significant hotspot.
ACMG/AMP criteria under ClinGen VHL VCEP v1.1.0, with the data and sources behind each one.
27 criteria with recorded statuses: 4 met · 16 not met · 0 not assessed · 7 not applicable. Open any row for the full reasoning, the rule and the evidence behind it.
NM_000551.3:c.154G>A (p.Glu52Lys) has a GroupMax filtering allele frequency of 0.08611% (0.0008611) in gnomAD v4.1, which exceeds the VHL VCEP BA1 stand-alone benign threshold of 0.0156% (0.000156).
The variant is observed in 107 of 1,583,178 alleles in gnomAD v4.1, including 1 homozygote, with highest frequency in the African/African American population (78/74,388 alleles, 0.1049%).
BA1 as stand-alone benign is independently sufficient to classify the variant as Benign regardless of other evidence criteria.
BS1 is also met at strong benign level: gnomAD v4 GroupMax FAF 0.0008611 exceeds the VCEP BS1 threshold of 0.0000156.
BP4 is met at supporting benign level: SpliceAI predicts no splicing impact (max delta = 0.00).
The variant was observed in 1-2 VHL families (Olschwang 1998, Gallou 2004) but this does not meet PS4 thresholds and is outweighed by population frequency data.
ClinVar expert panel (ClinGen VHL VCEP) classifies this variant as Benign (VCV000161402).
REVEL score of 0.559 does not meet the VHL VCEP PP3 threshold of ≥0.664. BayesDel score of -0.059 is consistent with a benign prediction.
The variant alters codon 52, which is upstream of the second VHL initiation codon (Met54); only pVHL30 is affected while pVHL19 remains intact. This N-terminal region is outside recognized VHL critical functional domains.
No criteria match.
Every interpreted variant in VHL, mapped onto the exon structure of NM_000551.3. Select a row to find it on the plot.
| Protein | Location | Classification | Link |
|---|
| African/African American78 / 74,388 | 0.0011 hom |
| Middle Eastern5 / 5,852 | 0.00085 |
| Remaining individuals11 / 61,296 | 0.00018 |
| Admixed American4 / 55,306 | 7.2e-05 |
| East Asian2 / 43,106 | 4.6e-05 |
| South Asian3 / 87,394 | 3.4e-05 |
| European (non-Finnish)4 / 1,166,190 | 3.4e-06 |
| African/African American14 / 18,670 | 0.00075 |
| Remaining individuals1 / 6,032 | 0.00017 |
| Admixed American2 / 29,928 | 6.7e-05 |
| East Asian1 / 15,778 | 6.3e-05 |
| South Asian1 / 26,200 | 3.8e-05 |
This variant is present in gnomAD v4.1 (AF= 6.75856e-05; MAF= 0.00676%, 107/1583178 alleles, homozygotes = 1) and has highest observed frequency in the African/African American population (AF= 0.00104856; MAF= 0.10486%, 78/74388 alleles, homozygotes = 1); grpmax FAF= 0.0008611.
This variant is present in gnomAD v2.1 (AF= 8.52477e-05; MAF= 0.00852%, 19/222880 alleles, homozygotes = 0) and has highest observed frequency in the African/African American population (AF= 0.000749866; MAF= 0.07499%, 14/18670 alleles, homozygotes = 0); grpmax FAF= 0.00037662.
This variant is present in gnomAD-Canada v1.0 (AF= 0.00016284876777765715, 3/18422 alleles, homozygotes = 0).
SpliceAI predicts no significant splice impact for this variant (max delta score = 0.00). REVEL score = 0.559. BayesDel score = -0.0592421.
10 paper records listed. No publication is explicitly linked to an applied criterion in the recorded metadata.
E46X and E52K were associated with type 1 (no pheochromocytoma) VHL in one tested individual for E52K, but the number of affected individuals with E46X was not reported
Introduction paragraph 4; Discussion paragraph 6
Finally the E52K mutation inserts a positive charge in a negative triplet formed by the glutamic acid residues 51–53. Considering the mainly acidic pVHL-N composition, this mutation should promote an irregular salt-bridge bond, reducing conformational flexibility and stabilizing an unfolded knot promoting a malignant phenotype.
Results and Discussion, paragraphs 1-2; Figure 1A; Figure 2
V285 | 1 | 1 | G154A | E52K | 1/0 | 1/0
Table 3 (Germline DNA Variations of Unknown Biological Significance)
three families with mutation upstream the second methionine initiation site belonged to the group with kidney cancer, exhibiting mild to severe renal phenotype
Table 2 (Molecular Details in 126 VHL Families); Results, paragraph on genotype-phenotype correlation
Screenshots represent source records captured during evidence collection. Select one to view the recorded source content.
The evidence statements recorded by the interpretation pipeline. They have not been reinterpreted by the page.
This variant is present in gnomAD v4.1 (AF= 6.75856e-05; MAF= 0.00676%, 107/1583178 alleles, homozygotes = 1) and has highest observed frequency in the African/African American population (AF= 0.00104856; MAF= 0.10486%, 78/74388 alleles, homozygotes = 1); grpmax FAF= 0.0008611.
This variant is present in gnomAD v2.1 (AF= 8.52477e-05; MAF= 0.00852%, 19/222880 alleles, homozygotes = 0) and has highest observed frequency in the African/African American population (AF= 0.000749866; MAF= 0.07499%, 14/18670 alleles, homozygotes = 0); grpmax FAF= 0.00037662.
This variant is present in gnomAD-Canada v1.0 (AF= 0.00016284876777765715, 3/18422 alleles, homozygotes = 0).
This variant has been reported in ClinVar as Uncertain significance (6 clinical laboratories) and as Likely benign (4 clinical laboratories) and as Benign (2 clinical laboratories) and as Benign by ClinGen VHL Variant Curation Expert Panel, ClinGen (expert panel). (ClinVarID = 161402)
SpliceAI predicts no significant splice impact for this variant (max delta score = 0.00). REVEL score = 0.559. BayesDel score = -0.0592421.
OncoKB did not identify variant-specific reviewed functional evidence for this variant; gene-level curated context is available for reviewer follow-up. VHL, an E3 ubiquitin ligase, is frequently mutated in renal cell carcinomas.
This variant does not lie in a statistically significant hotspot. This variant has previously been reported in somatic cancers (COSMIC; COSV56549582, n = 1 times).
This variant does not lie in a statistically significant hotspot.