ACO2 p.Pro77=
c.231C>T · rs150593227 · VCV377425
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 7 submitters
gnomAD v4.1
Rare
rare (popmax 0.999%, 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 -11 | GERP -3 |
| Overall | ||
| CADD | 0.184 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.999%
African / African-American · 750/75,068 alleles
Filtering AF
0.94%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.916%
Overall
0.0691%
1,115/1,614,184 alleles · rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.999% | 100 |
| Admixed American | 0.115% | 870 |
| Remaining individualsnot grpmax-eligible | 0.0976% | 1,025 |
| Middle Eastern | 0.0825% | 1,212 |
| European (non-Finnish) | 0.0192% | 5,198 |
| Finnishnot grpmax-eligible | 0.00312% | 32,015 |
| South Asian | 0.0011% | 91,078 |
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
- ACO2
- Protein
- p.Pro77=
- Coding
- c.231C>T
- MANE Select
- NM_001098
- dbSNP
- rs150593227
- Type
- single nucleotide variant
- Location
- chr22:41507848 (GRCh38)
- Gene constraint
- LOEUF 0.489 · pLI 0.98 (gnomAD)
- Structure
- AlphaFold pLDDT 95.44
Similar variants
- ACO2 p.Pro77Leu Uncertain significance ★ same residue
- ACO2 p.Arg378Ter Pathogenic/Likely pathogenic ★★ same type
- ACO2 p.Arg58Ter Pathogenic/Likely pathogenic ★★ same type
- ACO2 p.Arg84Ter Pathogenic ★★ same type
- ACO2 p.Glu464Ter Pathogenic/Likely pathogenic ★★ same type
- ACO2 p.Gly503Ter Pathogenic ★★ same type
- ACO2 c.1605+5G>C Uncertain significance ★★ same type
- ACO2 c.2208+5G>C 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/aco2-p-pro77 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown