BRF1 p.Ser81=
c.243G>C · rs138084196 · VCV724015
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.319%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.483 | indeterminate |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -11 | GERP -3 |
| Overall | ||
| CADD | 0.355 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.319%
Admixed American · 191/59,924 alleles
Filtering AF
0.282%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.268%
Overall
0.0469%
756/1,613,560 alleles · rare
exomes 685/1,461,210 · genomes 71/152,350 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.319% | 314 |
| Remaining individualsnot grpmax-eligible | 0.0528% | 1,893 |
| European (non-Finnish) | 0.044% | 2,273 |
| Middle Eastern | 0.0165% | 6,058 |
| African / African-American | 0.016% | 6,254 |
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
- BRF1
- Protein
- p.Ser81=
- Coding
- c.243G>C
- MANE Select
- NM_001519
- dbSNP
- rs138084196
- Type
- single nucleotide variant
- Location
- chr14:105286318 (GRCh38)
- Structure
- AlphaFold pLDDT 59.70 · 2 PDB
- Residue 81
- the 'necessary and sufficient for the association with mrna decay enzymes and mrna decay activation' region
Similar variants
- BRF1 p.Ser81Leu Uncertain significance ★ ⚠ same residue
- BRF1 p.Ser81Trp Uncertain significance ★ ⚠ same residue
- BRF1 p.Pro292His Pathogenic/Likely pathogenic ★★ same type
- BRF1 p.Ser226Leu Pathogenic/Likely pathogenic ★★ same type
- BRF1 p.Ala565Ser Uncertain significance ★★ ⚠ same type
- BRF1 p.Arg213Lys Uncertain significance ★★ ⚠ same type
- BRF1 p.Arg216Gln Uncertain significance ★★ ⚠ same type
- BRF1 p.Arg261Gln Uncertain significance ★★ ⚠ same type
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/brf1-p-ser81 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown