AARS2 p.His128=
c.384T>C · rs377762344 · VCV2185909
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0346%, afr)
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 -0.1 | GERP -4.1, phastCons 0.014 |
| Overall | ||
| CADD | 3.41 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0346%
African / African-American · 26/75,070 alleles
Filtering AF
0.0242%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0208%
Overall
0.00186%
30/1,614,264 alleles · ultra-rare
exomes 15/1,461,886 · genomes 15/152,378 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0346% | 2,887 |
| Admixed American | 0.00333% | 30,018 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,510 |
| European (non-Finnish) | 8.47e-05% | 1,180,052 |
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
- AARS2
- Protein
- p.His128=
- Coding
- c.384T>C
- MANE Select
- NM_020745
- dbSNP
- rs377762344
- Type
- single nucleotide variant
- Location
- chr6:44312123 (GRCh38)
- Gene constraint
- LOEUF 0.752 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 88.05 · 3 PDB
- Residue 128
- a binding site
Similar variants
- AARS2 c.2146-2A>G Pathogenic/Likely pathogenic ★★ same type
- AARS2 c.2255+1G>A Pathogenic ★★ same type
- AARS2 c.2598+1G>T Pathogenic/Likely pathogenic ★★ same type
- AARS2 p.Arg199Cys Pathogenic/Likely pathogenic ★★ ⚠ same type
- AARS2 p.Arg521Ter Pathogenic ★★ same type
- AARS2 p.Arg580Trp Likely pathogenic ★★ ⚠ same type
- AARS2 p.Arg592Trp Pathogenic/Likely pathogenic ★★ ⚠ same type
- AARS2 p.Arg958Ter Pathogenic/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/aars2-p-his128 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown