Starting
Initialising…
0%
BRAF
Final classification
VUS
BRAF c.793G>C · p.Gly265Arg
BRAF

The BRAF c.793G>C (p.Gly265Arg) variant has been observed in somatic cancer once in COSMIC and has been reported in ClinVar with an expert panel likely pathogenic classification and additional pathogenic or likely pathogenic clinical laboratory submissions.

Gene
BRAF
Transcript
NM_001354609.1
HGVS · transcript:coding
NM_001354609.1:c.793G>C
Consequence
N/A
GRCh38
chr7:140801479 C>G
GRCh37
chr7:140501279 C>G
Basis ClinGen RASopathy Expert Panel Specifications to the ACMG/AMP Variant Interpretation Guidelines for BRAF Version 2.3.0 v2.3.0 criteria-combination framework was evaluated deterministically with applied criteria: PM1 moderate, PM2 supporting, PP2 supporting, PP3 supporting, PP5 supporting; no rule matched the adjudicated criteria.
ClinGen RASopathy Expert Panel Specifications to the ACMG/AMP Variant Interpretation Guidelines for BRAF Version 2.3.0 v2.3.0 criteria-combination framework was evaluated deterministically with applied criteria: PM1 moderate, PM2 supporting, PP2 supporting, PP3 supporting, PP5 supporting; no rule matched the adjudicated criteria.
Classification rationale
PM1PM2PP2PP3PP5 VUS
BRAF c.793G>C

The BRAF c.793G>C (p.Gly265Arg) variant has been observed in somatic cancer once in COSMIC and has been reported in ClinVar with an expert panel likely pathogenic classification and additional pathogenic or likely pathogenic clinical laboratory submissions.1 This variant is absent from gnomAD v2.1 and gnomAD v4.1, supporting rarity in population reference datasets.2 Computational evidence supports a damaging missense effect, with REVEL 0.917 above the BRAF RASopathy PP3 threshold of 0.7, BayesDel 0.403109 in a deleterious direction, and SpliceAI showing no significant predicted splice impact (maximum delta score 0.00).3

PM1 + PM2 + PP2 + PP3 + PP5 VUS
Gene diagram · NM_001354609.1 · variants mapped to exon structure
BRAF NM_001354609.1
Fetching transcript structure from UCSC…
Applied criteria · 5 met · select any tile
Met
Not met
Not assessed
N/A
Strength very strong supporting
Pathogenic evidence
PVS
PS
PM
PP
Benign evidence
BA
BS
BP
Rationale
Select a criterion.
Sources
Evidence used
    Gaps remaining
      Rule
      Research & evidence
      Population frequency
      gnomAD v4.1 screenshot
      gnomAD v4.1
      gnomAD v2.1 screenshot
      gnomAD v2.1
      v4.1
      Absent from gnomAD v4.1.
      v2.1
      Absent from gnomAD v2.1.
      Allele frequency by ancestry
      three datasets · side by side
      gnomAD v4.1
      Absent · 0 / ?
      0 hom
      Not observed in any ancestry group.
      gnomAD v2.1
      Absent · 0 / ?
      0 hom
      Not observed in any ancestry group.
      ClinVar screenshot
      ClinVar
      This variant has been reported in ClinVar as Likely pathogenic (2 clinical laboratories) and as Pathogenic (1 clinical laboratory) and as Likely pathogenic by ClinGen RASopathy Variant Curation Expert Panel (expert panel).
      SpliceAI screenshot
      In silico
      SpliceAI predicts no significant splice impact for this variant (max delta score = 0.00). REVEL score = 0.917. BayesDel score = 0.403109.
      Functional / OncoKB screenshot
      Functional Unknown Oncogenic Effect
      OncoKB did not identify variant-specific reviewed functional evidence for this variant; gene-level curated context is available for reviewer follow-up. BRAF, an intracellular kinase, is frequently mutated in melanoma, thyroid and lung cancers among others.
      OncoKB ↗
      COSMIC screenshot
      COSMIC
      Cancer hotspots screenshot
      Cancer hotspots
      Somatic evidence Not in COSMIC / hotspots
      COSMIC
      This variant does not lie in a statistically significant hotspot. This variant has previously been reported in somatic cancers (COSMIC; COSV109420825, n = 1 times).
      Hotspots
      This variant does not lie in a statistically significant hotspot.
      Sources & reference links
      8Sources
      CSpec VCEP
      ClinVar
      gnomAD v2.1
      gnomAD v4.1
      SpliceAI
      OncoKB
      COSMIC
      Cancer hotspots