ANKH c.313+13A>G
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0267%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +13 | near-intronic (+13 nt from the splice site) |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -3.7 | GERP -3 |
| Non-coding constraint | Z 2.36 | 1 kb window · o/e 0.80 · regional · uncalibrated |
| Overall | ||
| CADD | 0.088 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0267%
Admixed American · 16/60,006 alleles
Filtering AF
0.0172%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0164%
Overall
0.0161%
259/1,612,264 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0267% | 3,750 |
| European (non-Finnish) | 0.0193% | 5,173 |
| Remaining individualsnot grpmax-eligible | 0.0192% | 5,197 |
| African / African-American | 0.004% | 24,973 |
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
- ANKH
- Coding
- c.313+13A>G
- MANE Select
- NM_054027
- dbSNP
- rs765204871
- Type
- single nucleotide variant
- Location
- chr5:14768962 (GRCh38)
- Gene constraint
- LOEUF 0.463 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 84.57
Similar variants
- ANKH c.1142-4A>G Pathogenic/Likely pathogenic ★★ same type
- ANKH c.96+5G>A Uncertain significance ★★ same type
- ANKH c.*3752G>A Uncertain significance ★★ same type
- ANKH p.Ala136Thr Uncertain significance ★★ ⚠ same type
- ANKH p.Ala201Thr Uncertain significance ★★ ⚠ same type
- ANKH p.Ala448Thr Uncertain significance ★★ ⚠ same type
- ANKH p.Arg453Gln Uncertain significance ★★ ⚠ same type
- ANKH p.Asn306Asp Uncertain significance ★★ ⚠ 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/ankh-c-313-plus-13a-g (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown