DLL4 p.Ser442=
c.1326C>T · rs750346321 · VCV1623765
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, mid)
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 -8.3 | GERP -5.5 |
| Overall | ||
| CADD | 0.742 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0165%
Middle Eastern · 1/6,064 alleles
Filtering AF
0.00283%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00252%
Overall
0.00323%
52/1,608,804 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0165% | 6,064 |
| European (non-Finnish) | 0.00373% | 26,776 |
| South Asian | 0.00333% | 30,041 |
| Admixed American | 0.00168% | 59,480 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,316 |
| Finnishnot grpmax-eligible | 0.0016% | 62,664 |
| African / African-American | 0.00134% | 74,860 |
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
- DLL4
- Protein
- p.Ser442=
- Coding
- c.1326C>T
- MANE Select
- NM_019074
- dbSNP
- rs750346321
- Type
- single nucleotide variant
- Location
- chr15:40936313 (GRCh38)
- Gene constraint
- LOEUF 0.197 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 74.89 · 1 PDB
- Residue 442
- the egf-like 7 domain
Similar variants
- DLL4 p.Ser442Asn Uncertain significance ★ ⚠ same residue
- DLL4 p.Cys390Tyr Pathogenic/Likely pathogenic ★★ same type
- DLL4 p.Cys466Arg Likely pathogenic ★★ same type
- DLL4 p.Gln584Ter Pathogenic/Likely pathogenic ★★ same type
- DLL4 p.Ala450Val Uncertain significance ★★ ⚠ same type
- DLL4 p.Arg186His Uncertain significance ★★ ⚠ same type
- DLL4 p.Arg313Cys Uncertain significance ★★ ⚠ same type
- DLL4 p.Arg645Gln Uncertain significance ★★ ⚠ 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/dll4-p-ser442 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown