NOTCH1 p.Cys600=
c.1800C>T · rs755070916 · VCV656510
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0121%, sas)
Conditions
2
Adams-Oliver syndrome 5
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 -4.1 | GERP -4.5 |
| Overall | ||
| CADD | 8.434 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0121%
South Asian · 11/91,020 alleles
Filtering AF
0.00677%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00522%
Overall
0.00165%
24/1,458,016 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0121% | 8,275 |
| East Asian | 0.00223% | 44,852 |
| Admixed American | 0.00167% | 59,962 |
| European (non-Finnish) | 0.000932% | 107,247 |
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
- NOTCH1
- Protein
- p.Cys600=
- Coding
- c.1800C>T
- MANE Select
- NM_017617
- dbSNP
- rs755070916
- Type
- single nucleotide variant
- Location
- chr9:136515586 (GRCh38)
- Gene constraint
- LOEUF 0.217 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 59.74 · 29 PDB
- Residue 600
- a disulfide bond; the egf-like 15; calcium-binding domain
Similar variants
- NOTCH1 p.Cys600Phe Uncertain significance ★ ⚠ same residue
- NOTCH1 c.1099+1G>T Pathogenic/Likely pathogenic ★★ same condition
- NOTCH1 c.3511-1G>A Likely pathogenic ★★ same condition
- NOTCH1 p.Arg1107Ter Pathogenic ★★ same condition
- NOTCH1 p.Arg448Ter Pathogenic ★★ same condition
- NOTCH1 p.Arg56Ter Pathogenic ★★ same condition
- NOTCH1 p.Asp1517Asn Pathogenic/Likely pathogenic ★★ same condition
- NOTCH1 p.Cys1496Tyr Pathogenic/Likely pathogenic ★★ same condition
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/notch1-p-cys600 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown