APTX p.Pro206=
c.618G>A · rs140355580 · VCV1984835
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00801%, afr)
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 -13 | GERP -3.4 |
| Overall | ||
| CADD | 0.173 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00801%
African / African-American · 6/74,922 alleles
Filtering AF
0.00347%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00229%
Overall
0.00167%
27/1,614,076 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00801% | 12,487 |
| East Asian | 0.00668% | 14,968 |
| Admixed American | 0.00167% | 60,002 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,486 |
| European (non-Finnish) | 0.00127% | 78,669 |
| South Asian | 0.0011% | 91,092 |
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
- APTX
- Protein
- p.Pro206=
- Coding
- c.618G>A
- MANE Select
- NM_001195248
- dbSNP
- rs140355580
- Type
- single nucleotide variant
- Location
- chr9:32984783 (GRCh38)
- Gene constraint
- LOEUF 0.973 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 81.52 · 11 PDB
- Residue 206
- the hit domain; a β-strand
Similar variants
- APTX p.Pro206Leu Pathogenic ★ same residue
- APTX c.875-2A>G Pathogenic/Likely pathogenic ★★ same type
- APTX p.Ala198Val Likely pathogenic ★★ same type
- APTX p.Arg16Ter Pathogenic/Likely pathogenic ★★ same type
- APTX p.Arg247Ter Pathogenic/Likely pathogenic ★★ same type
- APTX p.Gln130Ter Pathogenic/Likely pathogenic ★★ same type
- APTX p.Gln187Ter Pathogenic ★★ same type
- APTX p.Trp279Arg Pathogenic/Likely pathogenic ★★ 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/aptx-p-pro206 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown