NOTCH3 p.Pro526=
c.1578C>G · rs775208731 · VCV771618
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 5 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00476%, sas)
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 -20 | GERP -3.5 |
| Overall | ||
| CADD | 0.017 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00476%
South Asian · 4/83,992 alleles
Filtering AF
0.0023%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00204%
Overall
0.00284%
44/1,549,534 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00476% | 20,998 |
| Remaining individualsnot grpmax-eligible | 0.00333% | 29,990 |
| European (non-Finnish) | 0.00314% | 31,859 |
| East Asian | 0.00244% | 40,910 |
| Admixed American | 0.00196% | 50,954 |
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
- NOTCH3
- Protein
- p.Pro526=
- Coding
- c.1578C>G
- MANE Select
- NM_000435
- dbSNP
- rs775208731
- Type
- single nucleotide variant
- Location
- chr19:15187909 (GRCh38)
- Gene constraint
- LOEUF 0.566 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 61.79 · 6 PDB
- Residue 526
- the egf-like 13; calcium-binding domain
Similar variants
- NOTCH3 p.Pro526His Uncertain significance ★ ⚠ same residue
- NOTCH3 p.Pro526Ser 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
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-pro526 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown