AARS1 p.Ser3=
c.9T>G · rs539360231 · VCV1682339
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.033%, mid)
Conditions
1
Charcot-Marie-Tooth disease type 2
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 -2.7 | GERP -5.2 |
| Overall | ||
| CADD | 1.15 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.033%
Middle Eastern · 2/6,062 alleles
Filtering AF
0.00582%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00276%
Overall
0.00186%
30/1,614,112 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.033% | 3,031 |
| East Asian | 0.0111% | 8,976 |
| Admixed American | 0.00333% | 29,994 |
| South Asian | 0.0022% | 45,544 |
| European (non-Finnish) | 0.00153% | 65,555 |
| African / African-American | 0.00133% | 75,046 |
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
- AARS1
- Protein
- p.Ser3=
- Coding
- c.9T>G
- MANE Select
- NM_001605
- dbSNP
- rs539360231
- Type
- single nucleotide variant
- Location
- chr16:70282755 (GRCh38)
- Gene constraint
- LOEUF 0.772 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 90.66 · 10 PDB
- Residue 3
- a modified residue (phosphoserine)
Similar variants
- AARS1 p.Ser3Cys Uncertain significance ★ ⚠ same residue
- AARS1 c.2177+1G>A Pathogenic/Likely pathogenic ★★ same condition
- AARS1 p.Arg13Ter Pathogenic ★★ same condition
- AARS1 p.Arg246Ter Pathogenic/Likely pathogenic ★★ same condition
- AARS1 p.Arg329Cys Likely pathogenic ★★ same condition
- AARS1 p.Arg329His Pathogenic/Likely pathogenic ★★ same condition
- AARS1 p.Arg330Ter Pathogenic/Likely pathogenic ★★ same condition
- AARS1 p.Arg333Ter 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/aars1-p-ser3 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown