Send feedback

DLL4 p.Leu644=

c.1932G>A · rs112960001 · VCV2993361

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00538%, 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 1.9GERP 0.37, phastCons 1
Overall
CADD5.861PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00538% African / African-American · 4/74,302 alleles
Filtering AF 0.00176% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00105%
Overall 0.000625% 10/1,600,796 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00538% 18,575
Admixed American 0.00344% 29,045
Remaining individualsnot grpmax-eligible 0.00323% 30,939
European (non-Finnish) 0.00017% 586,910

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.Leu644=
Coding
c.1932G>A
MANE Select
NM_019074
dbSNP
rs112960001
Type
single nucleotide variant
Location
chr15:40936919 (GRCh38)
Gene constraint
LOEUF 0.197 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 74.89 · 1 PDB
Full DLL4 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/dll4-p-leu644 (accessed [today's date]).

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