BRAF c.980+4T>C
Conflicting classifications of pathogenicity
Conflicting submitters
Classification
Conflicting classifications of pathogenicity
ClinVar
Review
Conflicting submitters ★☆☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00439%, sas)
Conditions
1
RASopathy
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +4 | donor splice region (+4, within the first 6 intronic nt) · inside the BP7-excluded zone |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 4.7 | GERP 1.1, phastCons 1 |
| Non-coding constraint | Z 1.45 | 1 kb window · o/e 0.89 · regional · uncalibrated |
| Overall | ||
| CADD | 17.28 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00439%
South Asian · 4/91,084 alleles
Filtering AF
0.00143%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000891%
Overall
0.000342%
5/1,461,792 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00439% | 22,771 |
| European (non-Finnish) | 8.47e-05% | 1,179,998 |
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
- Coding
- c.980+4T>C
- MANE Select
- NM_004333
- dbSNP
- rs1293207323
- Type
- single nucleotide variant
- Location
- chr7:140800358 (GRCh38)
- Gene constraint
- LOEUF 0.237 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 67.87 · 135 PDB
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-c-980-plus-4t-c (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown