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DLL3 p.Ser474=

c.1422C>T · rs769089751 · VCV3010515

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000344%, nfe)

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
ConservationphyloP -1.2GERP -2.6
Overall
CADD7.134PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000344% European (non-Finnish) · 4/1,163,898 alleles
Filtering AF 8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 5.4e-05%
Overall 0.000282% 4/1,419,176 alleles · very rare

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
DLL3
Protein
p.Ser474=
Coding
c.1422C>T
MANE Select
NM_203486
dbSNP
rs769089751
Type
single nucleotide variant
Location
chr19:39507367 (GRCh38)
Gene constraint
LOEUF 1.512 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 65.42
Full DLL3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/dll3-p-ser474 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown