CCDC50 p.Arg399=
c.1195C>A · VCV3907613
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00334%, amr)
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 0.54 | GERP -1.3, phastCons 0.071 |
| Overall | ||
| CADD | 9.824 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00334%
Admixed American · 2/59,860 alleles
Filtering AF
0.000554%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000207%
Overall
0.000124%
2/1,612,688 alleles · very 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.Arg399=
- Coding
- c.1195C>A
- MANE Select
- NM_178335
- Type
- single nucleotide variant
- Location
- chr3:191380885 (GRCh38)
- Gene constraint
- LOEUF 0.933 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.90 · 1 PDB
Similar variants
- CCDC50 p.Arg399Trp Uncertain significance ★★ ⚠ same residue
- CCDC50 p.Arg399Gln Uncertain significance ★ ⚠ 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-arg399 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown