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Classification rationale
1

The BRAF c.1787G>T (p.Gly596Val) variant has been observed in somatic cancers in COSMIC and has been reported in ClinVar as Pathogenic with expert-panel review.

clinvar ↗
2

This variant is absent from gnomAD v2.1 and gnomAD v4.1, which supports rarity in population reference datasets.

gnomad_v2 ↗ gnomad_v4 ↗
3

In a published functional study, BRAF p.Gly596Val caused abnormal zebrafish developmental phenotypes and showed downstream ERK activation, consistent with dysregulated MAPK signaling.

PMID:19376813 ↗
4

Computational evidence supports a deleterious missense effect, with REVEL 0.989 above the BRAF PP3 threshold of 0.7, BayesDel 0.588239, and SpliceAI predicting no significant splice effect with a maximal delta score of 0.07.

spliceai ↗ cspec ↗
Applied criteria
Met
Not met
Not assessed
N/A
Very strong
Strong
Moderate
Supporting
Pathogenic evidence
PVS
PVS1
PS
PS1
PS2
PS3
PS4
PM
PM1
PM2
PM3
PM4
PM5
PM6
PP
PP1
PP2
PP3
PP4
PP5
Benign evidence
BA
BA1
BS
BS1
BS2
BS3
BS4
BP
BP1
BP2
BP3
BP4
BP5
BP6
BP7
PVS1
Rationale
Select a criterion to inspect its explanation.
Evidence used
Gaps remaining
Rule
Publications
Research and evidence
ClinVar evidence
02
ClinVar
This variant has been reported in ClinVar as Pathogenic (10 clinical laboratories) and as Likely pathogenic (1 clinical laboratory) and as Pathogenic by ClinGen RASopathy Variant Curation Expert Panel (expert panel).
Functional evidence
03
Functional
OncoKB: Likely Oncogenic
OncoKB identified variant-specific curated literature and context relevant to functional review; biological-effect context: Likely Gain-of-function; curated oncogenicity label: Likely Oncogenic.
In silico evidence
04
In silico
SpliceAI predicts no significant splice impact for this variant (max delta score = 0.07). REVEL score = 0.989. BayesDel score = 0.588239.
COSMIC evidence
05
COSMIC
This variant lies in a statistically significant hotspot. This variant has previously been reported in somatic cancers (COSMIC; COSV99951808, n = 1 times).
Cancer hotspots evidence
06
Cancer hotspots Not found
This variant lies in a statistically significant hotspot.
ResidueG596