CDH2 p.Arg656=
c.1966C>A · VCV3830100
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00669%, eas)
Conditions
1
Inborn genetic diseases
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 5.8 | GERP 1.1, phastCons 1 |
| Overall | ||
| CADD | 8.54 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00669%
East Asian · 3/44,840 alleles
Filtering AF
0.00177%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000892%
Overall
0.000249%
4/1,603,646 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00669% | 14,947 |
| European (non-Finnish) | 8.54e-05% | 1,170,694 |
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
- CDH2
- Protein
- p.Arg656=
- Coding
- c.1966C>A
- MANE Select
- NM_001792
- Type
- single nucleotide variant
- Location
- chr18:27985537 (GRCh38)
- Gene constraint
- LOEUF 0.336 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 79.68
- Residue 656
- the cadherin 5 domain
Similar variants
- CDH2 p.Arg656Leu Uncertain significance ★ ⚠ same residue
- CDH2 p.Arg656Trp Uncertain significance ★ ⚠ same residue
- CDH2 p.Ala21Val Uncertain significance ★★ ⚠ same condition
- CDH2 p.Ala294Gly Uncertain significance ★★ ⚠ same condition
- CDH2 p.Ala299Thr Uncertain significance ★★ ⚠ same condition
- CDH2 p.Ala415Ser Uncertain significance ★★ ⚠ same condition
- CDH2 p.Ala418Ser Uncertain significance ★★ ⚠ same condition
- CDH2 p.Ala418Thr Uncertain significance ★★ ⚠ same condition
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/cdh2-p-arg656 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown