CPEB2 p.Ile856Val
c.2566A>G · VCV4233266
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0024%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.198 | benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not looked up on this page · why |
| Constraint at this position | ||
| Conservation | phyloP 11 | phastCons 1 |
| Regional constraint | o/e 0.50 | unconstrained · MANE · 14 kb · p 1.5e-20 · regional, not allelic |
| Overall | ||
| CADD | 24.9 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0024%
European (non-Finnish) · 28/1,165,160 alleles
Filtering AF
0.00167%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00143%
Overall
0.00182%
29/1,596,498 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0024% | 41,613 |
| African / African-American | 0.00134% | 74,400 |
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
- CPEB2
- Protein
- p.Ile856Val
- Coding
- c.2566A>G
- Type
- single nucleotide variant
- Location
- chr4:15058525 (GRCh38)
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/cpeb2-p-ile856val (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown