ACACA p.Pro256=
c.768G>A · rs2302802 · VCV2959895
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.595%, 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 -1.2 | GERP -4, phastCons 0.002 |
| Overall | ||
| CADD | 9.805 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.595%
East Asian · 267/44,878 alleles
Filtering AF
0.536%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.514%
Overall
0.0232%
374/1,614,048 alleles · rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.595% | 168 |
| Remaining individualsnot grpmax-eligible | 0.0512% | 1,953 |
| African / African-American | 0.0307% | 3,261 |
| South Asian | 0.00988% | 10,120 |
| European (non-Finnish) | 0.00356% | 28,095 |
| Admixed American | 0.00167% | 60,014 |
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
- ACACA
- Protein
- p.Pro256=
- Coding
- c.768G>A
- MANE Select
- NM_198834
- dbSNP
- rs2302802
- Type
- single nucleotide variant
- Location
- chr17:37277067 (GRCh38)
- Gene constraint
- LOEUF 0.374 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 83.05 · 10 PDB
- Residue 256
- the biotin carboxylation domain
Similar variants
- ACACA p.Ala2308Val Uncertain significance ★★ ⚠ same type
- ACACA p.Arg1206His Uncertain significance ★★ ⚠ same type
- ACACA p.Arg2198Gln Uncertain significance ★★ ⚠ same type
- ACACA p.Arg745Trp Uncertain significance ★★ ⚠ same type
- ACACA p.Asn1903Ser Uncertain significance ★★ ⚠ same type
- ACACA p.Asn728Ser Uncertain significance ★★ ⚠ same type
- ACACA p.Asn950Ser Uncertain significance ★★ ⚠ same type
- ACACA p.Asp2228Asn 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/acaca-p-pro256 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown