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DLL3 p.Arg517=

c.1551C>T · rs767114247 · VCV2958969

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0228%, afr)

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 0.077GERP -0.86, phastCons 0.11
Overall
CADD12.43PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0228% African / African-American · 17/74,562 alleles
Filtering AF 0.0144% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0119%
Overall 0.00125% 20/1,596,278 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0228% 4,386
Admixed American 0.00349% 28,643
European (non-Finnish) 8.53e-05% 1,172,744

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.Arg517=
Coding
c.1551C>T
MANE Select
NM_203486
dbSNP
rs767114247
Type
single nucleotide variant
Location
chr19:39507496 (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-arg517 (accessed [today's date]).

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