ABCA2 p.Ile727=
c.2181C>T · rs1345225370 · VCV2659784
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -8.8 | GERP -3.2 |
| Overall | ||
| CADD | 4.638 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00167%
Admixed American · 1/59,996 alleles
Filtering AF
6.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.9e-05%
Overall
0.000372%
6/1,612,414 alleles · very rare
exomes 3/1,460,196 · genomes 3/152,218 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.00167% | 59,996 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,450 |
| South Asian | 0.0011% | 91,088 |
| European (non-Finnish) | 0.000254% | 393,277 |
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
- ABCA2
- Protein
- p.Ile727=
- Coding
- c.2181C>T
- MANE Select
- NM_001606
- dbSNP
- rs1345225370
- Type
- single nucleotide variant
- Location
- chr9:137017817 (GRCh38)
- Gene constraint
- LOEUF 0.436 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 71.46
- Residue 727
- a UniProt-annotated variant site (in idpogsa)
Similar variants
- ABCA2 p.Gln1370Ter Likely pathogenic ★★ same type
- ABCA2 c.3883-3C>T Uncertain significance ★★ same type
- ABCA2 p.Ala1357Thr Uncertain significance ★★ ⚠ same type
- ABCA2 p.Ala1620Thr Uncertain significance ★★ ⚠ same type
- ABCA2 p.Ala1645Val Uncertain significance ★★ ⚠ same type
- ABCA2 p.Ala1715Ser Uncertain significance ★★ ⚠ same type
- ABCA2 p.Ala2180Thr Uncertain significance ★★ ⚠ same type
- ABCA2 p.Ala2206Val 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/abca2-p-ile727 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown