AHNAK2 p.Gln2216=
c.6648G>A · rs550923990 · VCV2644735
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.179%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -20 | GERP 0.26 |
| Overall | ||
| CADD | 0.249 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.179%
South Asian · 163/91,008 alleles
Filtering AF
0.157%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.148%
Overall
0.0857%
1,379/1,609,638 alleles · rare
exomes 1,301/1,460,692 · genomes 78/148,946 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.179% | 558 |
| European (non-Finnish) | 0.0932% | 1,073 |
| Remaining individualsnot grpmax-eligible | 0.0706% | 1,417 |
| Admixed American | 0.0452% | 2,211 |
| Finnishnot grpmax-eligible | 0.0329% | 3,042 |
| African / African-American | 0.0276% | 3,624 |
| Middle Eastern | 0.0165% | 6,054 |
| Ashkenazi Jewishnot grpmax-eligible | 0.00677% | 14,781 |
| East Asian | 0.0045% | 22,228 |
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
- AHNAK2
- Protein
- p.Gln2216=
- Coding
- c.6648G>A
- MANE Select
- NM_138420
- dbSNP
- rs550923990
- Type
- single nucleotide variant
- Location
- chr14:104948803 (GRCh38)
- Gene constraint
- LOEUF 0.917 · pLI <0.01 (gnomAD)
Similar variants
- AHNAK2 p.Glu3598Lys Uncertain significance ★★ ⚠ same type
- AHNAK2 p.Gly4376Ser Uncertain significance ★★ ⚠ same type
- AHNAK2 p.Lys2479Arg Uncertain significance ★★ ⚠ same type
- AHNAK2 p.Lys3309Asn Uncertain significance ★★ ⚠ same type
- AHNAK2 p.Val1351Met Uncertain significance ★★ ⚠ same type
- AHNAK2 p.Ala1115Val Benign/Likely benign ★★ same type
- AHNAK2 p.Ala1323Thr Likely benign ★★ same type
- AHNAK2 p.Ala1818Thr Benign/Likely benign ★★ 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/ahnak2-p-gln2216 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown