AFG3L2 p.Pro791=
c.2373G>A · VCV4755125
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00401%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal. | ||
| Splicing | ||
| SpliceAI | Δ0.31 | donor gain · deltas |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -8.3 | GERP -3.7 |
| Overall | ||
| CADD | 13.84 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00401%
African / African-American · 3/74,904 alleles
Filtering AF
0.00106%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000495%
Overall
0.000682%
11/1,613,872 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00401% | 24,968 |
| Ashkenazi Jewishnot grpmax-eligible | 0.00338% | 29,604 |
| East Asian | 0.00223% | 44,898 |
| South Asian | 0.0022% | 45,539 |
| European (non-Finnish) | 0.000339% | 295,010 |
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.Pro791=
- Coding
- c.2373G>A
- MANE Select
- NM_006796
- Type
- single nucleotide variant
- Location
- chr18:12329586 (GRCh38)
- Gene constraint
- LOEUF 0.724 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 77.07 · 2 PDB
- Residue 791
- the 'disordered' region
Similar variants
- AFG3L2 p.Pro791Leu 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-pro791 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown