CPAP p.Glu505=
c.1515G>A · rs1954545521 · VCV3025438
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00223%, eas)
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 -0.7 | GERP -0.052 |
| Overall | ||
| CADD | 0.424 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00223%
East Asian · 1/44,882 alleles
Overall
6.84e-05%
1/1,461,876 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
- CPAP
- Protein
- p.Glu505=
- Coding
- c.1515G>A
- MANE Select
- NM_018451
- dbSNP
- rs1954545521
- Type
- single nucleotide variant
- Location
- chr13:24906523 (GRCh38)
- Structure
- AlphaFold pLDDT 56.70 · 6 PDB
Similar variants
- CPAP p.Glu505Lys Conflicting classifications of pathogenicity ★ ⚠ same residue
- CPAP c.2693-2A>G Likely pathogenic ★★ same type
- CPAP p.Arg1298Gln Likely pathogenic ★★ same type
- CPAP p.Arg378Ter Pathogenic ★★ same type
- CPAP p.Arg566Ter Pathogenic/Likely pathogenic ★★ same type
- CPAP p.Arg902Ter Pathogenic/Likely pathogenic ★★ same type
- CPAP p.Arg958Ter Pathogenic/Likely pathogenic ★★ same type
- CPAP p.Gln14Ter Pathogenic/Likely pathogenic ★★ 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/cpap-p-glu505 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown