ALS2 p.Asp824=
c.2472C>T · rs761267157 · VCV895142
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00534%, afr)
Conditions
2
ALS2-related disorder
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 1.3 | GERP -0.9, phastCons 1 |
| Overall | ||
| CADD | 12.25 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00534%
African / African-American · 4/74,864 alleles
Filtering AF
0.00175%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00104%
Overall
0.00112%
18/1,613,512 alleles · very rare
exomes 17/1,461,410 · genomes 1/152,102 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00534% | 18,716 |
| East Asian | 0.00223% | 44,830 |
| Admixed American | 0.00167% | 59,968 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,466 |
| South Asian | 0.0011% | 91,076 |
| European (non-Finnish) | 0.000848% | 117,980 |
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
- ALS2
- Protein
- p.Asp824=
- Coding
- c.2472C>T
- MANE Select
- NM_020919
- dbSNP
- rs761267157
- Type
- single nucleotide variant
- Location
- chr2:201733384 (GRCh38)
- Gene constraint
- LOEUF 0.649 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 74.69
- Residue 824
- the dh domain
Similar variants
- ALS2 c.2580+2T>C Pathogenic ★★ same condition
- ALS2 c.4626+1G>A Pathogenic/Likely pathogenic ★★ same condition
- ALS2 p.Ala573Glu Likely pathogenic ★★ same condition
- ALS2 p.Arg1139Ter Pathogenic/Likely pathogenic ★★ same condition
- ALS2 p.Arg1421Ter Pathogenic/Likely pathogenic ★★ same condition
- ALS2 p.Arg1461Ter Pathogenic ★★ same condition
- ALS2 p.Arg1510Ter Pathogenic/Likely pathogenic ★★ same condition
- ALS2 p.Arg201Ter Pathogenic/Likely pathogenic ★★ same condition
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/als2-p-asp824 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown