AFG3L2 p.Pro493=
c.1479G>A · rs761143170 · VCV728896
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0166%, mid)
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 -2.4 | GERP -2.9 |
| Overall | ||
| CADD | 2.949 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0166%
Middle Eastern · 1/6,010 alleles
Filtering AF
0.00623%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00467%
Overall
0.00242%
39/1,614,028 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0166% | 6,010 |
| African / African-American | 0.012% | 8,336 |
| Admixed American | 0.0117% | 8,573 |
| Remaining individualsnot grpmax-eligible | 0.008% | 12,499 |
| East Asian | 0.00446% | 22,439 |
| European (non-Finnish) | 0.00127% | 78,666 |
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
- AFG3L2
- Protein
- p.Pro493=
- Coding
- c.1479G>A
- MANE Select
- NM_006796
- dbSNP
- rs761143170
- Type
- single nucleotide variant
- Location
- chr18:12351158 (GRCh38)
- Gene constraint
- LOEUF 0.724 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 77.07 · 2 PDB
Similar variants
- AFG3L2 p.Arg41Ter Pathogenic/Likely pathogenic ★★ same type
- AFG3L2 p.Arg468Cys Pathogenic/Likely pathogenic ★★ same type
- AFG3L2 p.Arg68Ter Pathogenic ★★ same type
- AFG3L2 p.Gly337Glu Pathogenic ★★ same type
- AFG3L2 p.Gly385Ser Likely pathogenic ★★ same type
- AFG3L2 p.Gly671Arg Pathogenic ★★ same type
- AFG3L2 p.Met666Thr Pathogenic/Likely pathogenic ★★ same type
- AFG3L2 p.Met666Val 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/afg3l2-p-pro493 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown