ACAN p.Asp115=
c.345C>T · VCV3625280
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0111%, eas)
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 -20 | GERP -3.5 |
| Overall | ||
| CADD | 3.977 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0111%
East Asian · 5/44,884 alleles
Filtering AF
0.00615%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00573%
Overall
0.00601%
97/1,613,944 alleles · ultra-rare
exomes 94/1,461,586 · genomes 3/152,358 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.0111% | 8,977 |
| European (non-Finnish) | 0.00746% | 13,408 |
| Remaining individualsnot grpmax-eligible | 0.0064% | 15,622 |
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
- ACAN
- Protein
- p.Asp115=
- Coding
- c.345C>T
- MANE Select
- NM_001369268
- Type
- single nucleotide variant
- Location
- chr15:88838937 (GRCh38)
- Gene constraint
- LOEUF 0.377 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 53.32 · 4 PDB
- Residue 115
- the ig-like v-type domain; the 'g1-a' region
Similar variants
- ACAN c.1733-2A>G Likely pathogenic ★★ same type
- ACAN c.630-13G>A Pathogenic ★★ same type
- ACAN c.7302+1G>A Pathogenic/Likely pathogenic ★★ same type
- ACAN p.Arg236Ter Pathogenic ★★ same type
- ACAN p.Arg386Ter Pathogenic/Likely pathogenic ★★ same type
- ACAN p.Arg394Ter Pathogenic ★★ same type
- ACAN p.Arg675Ter Pathogenic/Likely pathogenic ★★ same type
- ACAN p.Asp2419Asn 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/acan-p-asp115 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown