CFAP99 p.Arg237His
c.710G>A · rs1022195831 · VCV2386907
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0235%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · G>C here scores Δ0.26 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 8 | GERP 0.59, phastCons 1 |
| Regional constraint | o/e 1.08 | unconstrained · MANE · 36 kb · p 0.016 · regional, not allelic |
| Overall | ||
| CADD | 23.1 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0235%
Admixed American · 12/50,996 alleles
Filtering AF
0.0135%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0106%
Overall
0.00143%
22/1,536,154 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0235% | 4,250 |
| Middle Eastern | 0.0167% | 5,988 |
| Remaining individualsnot grpmax-eligible | 0.00833% | 12,006 |
| East Asian | 0.00244% | 40,912 |
| European (non-Finnish) | 0.000262% | 382,298 |
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
- CFAP99
- Protein
- p.Arg237His
- Coding
- c.710G>A
- MANE Select
- NM_001193282
- dbSNP
- rs1022195831
- Type
- single nucleotide variant
- Location
- chr4:2449737 (GRCh38)
- Gene constraint
- LOEUF 1.203 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 77.28
Similar variants
- CFAP99 p.Arg237Cys Uncertain significance ★ same residue
- CFAP99 p.Ala255Thr Uncertain significance ★ same type
- CFAP99 p.Ala307Thr Uncertain significance ★ same type
- CFAP99 p.Ala366Thr Uncertain significance ★ same type
- CFAP99 p.Ala369Gly Uncertain significance ★ same type
- CFAP99 p.Ala396Val Uncertain significance ★ same type
- CFAP99 p.Ala423Thr Uncertain significance ★ same type
- CFAP99 p.Ala428Thr 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/cfap99-p-arg237his (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown