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DPP9 p.Ala781=

c.2343G>A · VCV4821643

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0112%, 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 -6.3GERP -3.7
Overall
CADD2.373PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0112% European (non-Finnish) · 131/1,166,478 alleles
Filtering AF 0.00963% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00906%
Overall 0.00883% 140/1,585,048 alleles · ultra-rare
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.0112% 8,904
Admixed American 0.00724% 13,803
Remaining individualsnot grpmax-eligible 0.00488% 20,482
African / African-American 0.00269% 37,135

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
DPP9
Protein
p.Ala781=
Coding
c.2343G>A
MANE Select
NM_139159
Type
single nucleotide variant
Location
chr19:4682827 (GRCh38)
Gene constraint
LOEUF 0.647 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 92.96 · 14 PDB
Residue 781
a UniProt-annotated variant site (in hatis; likely pathogenic); an α-helix
Full DPP9 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/dpp9-p-ala781 (accessed [today's date]).

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