CD46 p.Ser297=
c.891C>T · VCV4770864
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal. | ||
| Splicing | ||
| SpliceAI | Δ0.42 | acceptor loss · deltas |
|---|---|---|
| Pangolin | Δ0.22 | loss · gain 0.00 · agrees with SpliceAI · independent |
| Constraint at this position | ||
| Conservation | phyloP -3.7 | GERP -3.4 |
| Overall | ||
| CADD | 0.393 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00167%
Admixed American · 1/60,020 alleles
Overall
6.21e-05%
1/1,609,990 alleles · very rare
exomes 1/1,457,732 · genomes 0/152,258 · joint denominator
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
- CD46
- Protein
- p.Ser297=
- Coding
- c.891C>T
- MANE Select
- NM_172351
- Type
- single nucleotide variant
- Location
- chr1:207767813 (GRCh38)
- Gene constraint
- LOEUF 0.763 · pLI 0.04 (gnomAD)
- Structure
- AlphaFold pLDDT 82.38 · 7 PDB
- Residue 297
- the 'disordered' region
Similar variants
- CD46 c.1082+2T>A Pathogenic ★★ same type
- CD46 c.286+1G>C Pathogenic/Likely pathogenic ★★ same type
- CD46 c.286+2T>G Pathogenic/Likely pathogenic ★★ same type
- CD46 c.287-2A>G Pathogenic/Likely pathogenic ★★ same type
- CD46 p.Arg229Ter Pathogenic/Likely pathogenic ★★ same type
- CD46 p.Arg59Ter Pathogenic/Likely pathogenic ★★ same type
- CD46 p.Phe242Cys Pathogenic/Likely pathogenic ★★ same type
- CD46 p.Trp276Ter 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/cd46-p-ser297 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown