ABCA3 p.Val257=
c.771G>A · rs929643351 · VCV2862822
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
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 -3.2 | GERP -3.7 |
| Overall | ||
| CADD | 1.047 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- ABCA3
- Protein
- p.Val257=
- Coding
- c.771G>A
- MANE Select
- NM_001089
- dbSNP
- rs929643351
- Type
- single nucleotide variant
- Location
- chr16:2319683 (GRCh38)
- Gene constraint
- LOEUF 0.612 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 81.00 · 2 PDB
- Residue 257
- an α-helix
Similar variants
- ABCA3 p.Val257Met Uncertain significance ★★ ⚠ same residue
- ABCA3 c.1112-20G>A Likely pathogenic ★★ same type
- ABCA3 c.2053-1G>C Likely pathogenic ★★ same type
- ABCA3 c.2414+1G>A Likely pathogenic ★★ same type
- ABCA3 c.3863-98C>T Pathogenic ★★ same type
- ABCA3 c.614-2A>G Likely pathogenic ★★ same type
- ABCA3 p.Ala1070Thr Likely pathogenic ★★ ⚠ same type
- ABCA3 p.Arg1550Trp 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/abca3-p-val257 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown