ACD c.413+3A>G
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 8 submitters
gnomAD v4.1
Common
common (popmax 39.6%, afr) — too common for a highly-penetrant pathogenic allele
Conditions
1
dyskeratosis congenita, autosomal dominant 6
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +3 | donor splice region (+3, within the first 6 intronic nt) · inside the BP7-excluded zone |
|---|---|---|
| SpliceAI | <0.2 | all four deltas below 0.2 · T>A here scores Δ0.40 · evaluated, not missing |
| Constraint at this position | ||
| Conservation | phyloP 3.4 | GERP -0.32, phastCons 1 |
| Non-coding constraint | Z 3.98 | 1 kb window · o/e 0.76 · regional · uncalibrated |
| Overall | ||
| CADD | 18.22 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
39.6%
African / African-American · 29,648/74,938 alleles
Filtering AF
39.2%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 39%
Overall
2.73%
43,977/1,612,960 alleles · common
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 39.6% | 3 |
| South Asian | 9.57% | 10 |
| Remaining individualsnot grpmax-eligible | 3.39% | 30 |
| Admixed American | 2.93% | 34 |
| Middle Eastern | 2.89% | 35 |
| Ashkenazi Jewishnot grpmax-eligible | 0.166% | 604 |
| East Asian | 0.143% | 701 |
| European (non-Finnish) | 0.122% | 817 |
| Finnishnot grpmax-eligible | 0.0126% | 7,959 |
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
- ACD
- Coding
- c.413+3A>G
- MANE Select
- NM_001082486
- dbSNP
- rs8058187
- Type
- single nucleotide variant
- Location
- chr16:67659534 (GRCh38)
- Gene constraint
- LOEUF 0.921 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 63.09 · 28 PDB
Similar variants
- ACD c.645+2T>C Uncertain significance ★★ same condition
- ACD c.99+5G>A Uncertain significance ★★ same condition
- ACD c.-20C>T Uncertain significance ★★ same condition
- ACD c.-24C>T Uncertain significance ★★ same condition
- ACD c.-26T>G Uncertain significance ★★ same condition
- ACD c.-29C>A Uncertain significance ★★ same condition
- ACD c.-29C>T Uncertain significance ★★ same condition
- ACD c.-30C>T Uncertain significance ★★ 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/acd-c-413-plus-3a-g (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown