ABCA2 p.Cys1450=
c.4350C>T · rs768066264 · VCV2659777
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00441%, sas)
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 -15 | GERP -2.9 |
| Overall | ||
| CADD | 1.178 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00441%
South Asian · 4/90,714 alleles
Filtering AF
0.00143%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000894%
Overall
0.000684%
11/1,609,234 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00441% | 22,679 |
| Admixed American | 0.00335% | 29,850 |
| African / African-American | 0.00134% | 74,848 |
| European (non-Finnish) | 0.000339% | 294,618 |
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.Cys1450=
- Coding
- c.4350C>T
- MANE Select
- NM_001606
- dbSNP
- rs768066264
- Type
- single nucleotide variant
- Location
- chr9:137013929 (GRCh38)
- Gene constraint
- LOEUF 0.436 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 71.46
- Residue 1450
- a UniProt-annotated variant site (in idpogsa)
Similar variants
- ABCA2 p.Cys1450Trp Uncertain significance ★ ⚠ same residue
- 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
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-cys1450 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown