CDH23 p.Arg184=
c.552C>T · rs768251221 · VCV930040
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, 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 -3.5 |
| Overall | ||
| CADD | 0.1 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0165%
Middle Eastern · 1/6,062 alleles
Filtering AF
0.000442%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000166%
Overall
0.000682%
11/1,613,966 alleles · ultra-rare
exomes 11/1,461,652 · genomes 0/152,314 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0165% | 6,062 |
| African / African-American | 0.00266% | 37,524 |
| East Asian | 0.00223% | 44,880 |
| Admixed American | 0.00167% | 60,026 |
| South Asian | 0.0011% | 91,080 |
| European (non-Finnish) | 0.000424% | 235,979 |
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
- CDH23
- Protein
- p.Arg184=
- Coding
- c.552C>T
- MANE Select
- NM_022124
- dbSNP
- rs768251221
- Type
- single nucleotide variant
- Location
- chr10:71566864 (GRCh38)
- Gene constraint
- LOEUF 0.685 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Residue 184
- the cadherin 2 domain
Similar variants
- CDH23 p.Arg184Cys Uncertain significance ★★ ⚠ same residue
- CDH23 p.Arg184His Conflicting classifications of pathogenicity ★ ⚠ same residue
- CDH23 p.Arg2029Trp Pathogenic ★★★ ⚠ same type
- CDH23 p.Asp127Gly Likely pathogenic ★★★ same type
- CDH23 p.Glu956Lys Pathogenic ★★★ same type
- CDH23 p.Pro240Leu Pathogenic ★★★ same type
- CDH23 c.1515-12G>A Uncertain significance ★★★ same type
- CDH23 p.Ala3190Val 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/cdh23-p-arg184 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown