ARSA p.Pro165Leu
c.494C>T · VCV4948510
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00134%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.77 | pathogenic-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · G>T here scores Δ0.50 · evaluated, not missing |
| Constraint at this position | ||
| Conservation | phyloP 12 | GERP 2.2, phastCons 1 |
| Regional constraint | o/e 1.00 | unconstrained · MANE · 2,631 bp · p 0.96 · regional, not allelic |
| Overall | ||
| CADD | 27.3 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00134%
African / African-American · 1/74,870 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000186%
3/1,609,544 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00134% | 74,870 |
| European (non-Finnish) | 0.00017% | 588,949 |
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
- ARSA
- Protein
- p.Pro165Leu
- Coding
- c.494C>T
- MANE Select
- NM_000487
- Type
- single nucleotide variant
- Location
- chr22:50627024 (GRCh38)
- Gene constraint
- LOEUF 1.166 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 96.43 · 10 PDB
- Residue 165
- a turn; a disulfide bond
Similar variants
- ARSA p.Pro165= Likely benign ★★ same residue
- ARSA c.1107+1G>A Pathogenic/Likely pathogenic ★★ same type
- ARSA c.1107+1G>T Pathogenic ★★ same type
- ARSA c.1108-2A>G Pathogenic ★★ same type
- ARSA c.1108-3C>G Pathogenic/Likely pathogenic ★★ same type
- ARSA c.1210+1G>A Pathogenic ★★ same type
- ARSA c.224+1G>A Likely pathogenic ★★ same type
- ARSA c.225-1G>C 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/arsa-p-pro165leu (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown