ANK1 p.Ile1076=
c.3228C>T · rs374320181 · VCV3020230
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0223%, eas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.034 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -5.7 | GERP -4.3 |
| Overall | ||
| CADD | 4.072 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0223%
East Asian · 10/44,888 alleles
Filtering AF
0.012%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00916%
Overall
0.00366%
59/1,614,022 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.0223% | 4,489 |
| Middle Eastern | 0.0164% | 6,084 |
| Remaining individualsnot grpmax-eligible | 0.0064% | 15,621 |
| European (non-Finnish) | 0.00339% | 29,501 |
| Admixed American | 0.00333% | 30,002 |
| African / African-American | 0.00133% | 74,916 |
| South Asian | 0.0011% | 91,080 |
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
- ANK1
- Protein
- p.Ile1076=
- Coding
- c.3228C>T
- MANE Select
- NM_000037
- dbSNP
- rs374320181
- Type
- single nucleotide variant
- Location
- chr8:41694691 (GRCh38)
- Gene constraint
- LOEUF 0.299 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 69.64 · 21 PDB
- Residue 1076
- a β-strand; the zu5 2 domain
Similar variants
- ANK1 p.Ile1076Val Uncertain significance ★★ ⚠ same residue
- ANK1 c.1305+1G>A Pathogenic ★★ same type
- ANK1 c.1405-9G>A Pathogenic/Likely pathogenic ★★ same type
- ANK1 c.1702-2A>G Pathogenic/Likely pathogenic ★★ same type
- ANK1 c.1801-17G>A Pathogenic/Likely pathogenic ★★ same type
- ANK1 c.1801-2A>T Likely pathogenic ★★ same type
- ANK1 c.1998+1G>T Likely pathogenic ★★ same type
- ANK1 c.2296-1G>A 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/ank1-p-ile1076 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown