AFG3L2 p.Ala2=
c.6G>A · VCV3772114
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00317%, eas)
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 0.4 | GERP -1.3, phastCons 0.99 |
| Overall | ||
| CADD | 11.62 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00317%
East Asian · 1/31,498 alleles
Filtering AF
7.4e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 2e-05%
Overall
0.000316%
4/1,266,122 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00317% | 31,498 |
| European (non-Finnish) | 0.000276% | 361,942 |
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.Ala2=
- Coding
- c.6G>A
- MANE Select
- NM_006796
- Type
- single nucleotide variant
- Location
- chr18:12377077 (GRCh38)
- Gene constraint
- LOEUF 0.724 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 77.07 · 2 PDB
Similar variants
- AFG3L2 p.Ala2Thr Uncertain significance ★ ⚠ same residue
- 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
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-ala2 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown