PDE2A p.Ala881=
c.2643G>A · rs578032249 · VCV1651308
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0169%, mid)
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 -3.2 |
| Overall | ||
| CADD | 1.066 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0169%
Middle Eastern · 1/5,900 alleles
Filtering AF
0.00901%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00787%
Overall
0.00885%
142/1,604,286 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0169% | 5,900 |
| Admixed American | 0.0167% | 5,990 |
| European (non-Finnish) | 0.00992% | 10,084 |
| Remaining individualsnot grpmax-eligible | 0.00962% | 10,399 |
| South Asian | 0.00549% | 18,203 |
| East Asian | 0.00446% | 22,416 |
| African / African-American | 0.00134% | 74,558 |
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
- PDE2A
- Protein
- p.Ala881=
- Coding
- c.2643G>A
- MANE Select
- NM_002599
- dbSNP
- rs578032249
- Type
- single nucleotide variant
- Location
- chr11:72577567 (GRCh38)
- Gene constraint
- LOEUF 0.564 · pLI 0.02 (gnomAD)
- Structure
- AlphaFold pLDDT 84.17 · 44 PDB
- Residue 881
- an α-helix; a UniProt-annotated variant site (in iddpads); the pdease domain
Similar variants
- PDE2A c.1922+4C>T Uncertain significance ★★ same type
- PDE2A p.Ala157Val Uncertain significance ★★ ⚠ same type
- PDE2A p.Ala205Val Uncertain significance ★★ ⚠ same type
- PDE2A p.Ala349Thr Uncertain significance ★★ ⚠ same type
- PDE2A p.Arg226Cys Uncertain significance ★★ ⚠ same type
- PDE2A p.Arg790Gln Uncertain significance ★★ ⚠ same type
- PDE2A p.Asp34Glu Uncertain significance ★★ ⚠ same type
- PDE2A p.Asp59Asn 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/pde2a-p-ala881 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown