NOTCH3 p.Ala26=
c.78G>C · rs1171966748 · VCV2768038
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
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 0.64 | GERP 0.68, phastCons 0.99 |
| Overall | ||
| CADD | 13.64 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- NOTCH3
- Protein
- p.Ala26=
- Coding
- c.78G>C
- MANE Select
- NM_000435
- dbSNP
- rs1171966748
- Type
- single nucleotide variant
- Location
- chr19:15200828 (GRCh38)
- Gene constraint
- LOEUF 0.566 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 61.79 · 6 PDB
- Residue 26
- the 'disordered' region
Similar variants
- NOTCH3 p.Ala26Val Uncertain significance ★ ⚠ same residue
- NOTCH3 c.341-2A>G Pathogenic ★★ same type
- NOTCH3 c.341-2A>T Pathogenic ★★ same type
- NOTCH3 p.Arg1006Cys Pathogenic ★★ ⚠ same type
- NOTCH3 p.Arg1076Cys Pathogenic/Likely pathogenic ★★ ⚠ same type
- NOTCH3 p.Arg110Cys Pathogenic ★★ same type
- NOTCH3 p.Arg133Cys Pathogenic/Likely pathogenic ★★ same type
- NOTCH3 p.Arg141Cys 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/notch3-p-ala26 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown