CCDC50 p.Pro233His
c.698C>A · rs142679286 · VCV2172305
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0214%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.033 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -1.1 | GERP -5 |
| Regional constraint | o/e 0.96 | unconstrained · MANE · 62 kb · p 0.39 · regional, not allelic |
| Overall | ||
| CADD | 0.028 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0214%
African / African-American · 16/74,904 alleles
Filtering AF
0.0133%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0109%
Overall
0.000992%
16/1,613,614 alleles · ultra-rare
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
- CCDC50
- Protein
- p.Pro233His
- Coding
- c.698C>A
- MANE Select
- NM_178335
- dbSNP
- rs142679286
- Type
- single nucleotide variant
- Location
- chr3:191375311 (GRCh38)
- Gene constraint
- LOEUF 0.933 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.90 · 1 PDB
- Residue 233
- the 'disordered' region
Similar variants
- CCDC50 p.Pro233Leu Uncertain significance ★ same residue
- CCDC50 p.Pro233Ala Likely benign ★ same residue
- CCDC50 p.Ala453Val Uncertain significance ★★ ⚠ same type
- CCDC50 p.Arg138Pro Uncertain significance ★★ ⚠ same type
- CCDC50 p.Arg227Gln Uncertain significance ★★ same type
- CCDC50 p.Arg227Trp Uncertain significance ★★ same type
- CCDC50 p.Arg270Ter Uncertain significance ★★ same type
- CCDC50 p.Arg274Ter 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/ccdc50-p-pro233his (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown