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DLGAP1 p.Ala659=

c.1977T>C · rs61732678 · VCV790190

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
low-frequency (popmax 4.14%, 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 0.28GERP 0.33, phastCons 0.39
Overall
CADD6.357PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 4.14% African / African-American · 3,105/75,010 alleles
Filtering AF 4.02% ClinGen BA1/BS1 input FAF95, joint · FAF99 3.97%
Overall 0.212% 3,423/1,613,884 alleles · low-frequency
Ancestry group Frequency 1 in
African / African-Americangrpmax 4.14% 24
Remaining individualsnot grpmax-eligible 0.237% 422
Admixed American 0.218% 458
Middle Eastern 0.0825% 1,212
South Asian 0.00549% 18,212
European (non-Finnish) 0.00246% 40,686

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
DLGAP1
Protein
p.Ala659=
Coding
c.1977T>C
MANE Select
NM_004746
dbSNP
rs61732678
Type
single nucleotide variant
Location
chr18:3567570 (GRCh38)
Gene constraint
LOEUF 0.224 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 50.85 · 3 PDB
Residue 659
the 'interaction with dyl2' region
Full DLGAP1 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/dlgap1-p-ala659 (accessed [today's date]).

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