BRAF p.Leu100=
c.298T>C · rs761709697 · VCV1569131
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.005%, amr)
Conditions
8
melanoma, cutaneous malignant, susceptibility to, 1
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.56 | GERP -0.16, phastCons 0.22 |
| Overall | ||
| CADD | 7.642 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.005%
Admixed American · 3/60,028 alleles
Filtering AF
0.00133%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000668%
Overall
0.000342%
5/1,461,812 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.005% | 20,009 |
| South Asian | 0.0011% | 91,082 |
| European (non-Finnish) | 8.47e-05% | 1,179,980 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- BRAF
- Protein
- p.Leu100=
- Coding
- c.298T>C
- MANE Select
- NM_004333
- dbSNP
- rs761709697
- Type
- single nucleotide variant
- Location
- chr7:140834815 (GRCh38)
- Gene constraint
- LOEUF 0.237 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 67.87 · 135 PDB
- Residue 100
- an α-helix
Similar variants
- BRAF p.Ala246Pro Pathogenic ★★★ same condition
- BRAF p.Asn581Asp Pathogenic ★★★ same condition
- BRAF p.Asp594Val Pathogenic ★★★ same condition
- BRAF p.Cys532Tyr Likely pathogenic ★★★ same condition
- BRAF p.Gln257Arg Pathogenic ★★★ ⚠ same condition
- BRAF p.Gly265Arg Likely pathogenic ★★★ same condition
- BRAF p.Gly464Glu Pathogenic ★★★ same condition
- BRAF p.Gly469Glu Pathogenic ★★★ same condition
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/braf-p-leu100 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown