Is APOE p.Glu249= (c.747G>A) pathogenic?

APOE p.Glu249= (c.747G>A) is classified Likely benign in APOE (ClinVar, Multiple submitters, 2 submitters; last evaluated 2022-11-27). Ultra-rare (popmax 0.0102%, nfe); Associated with Cardiovascular phenotype.

What condition is associated with APOE p.Glu249= (c.747G>A)?

APOE p.Glu249= (c.747G>A) is associated with Cardiovascular phenotype (ClinVar).

How common is APOE p.Glu249= (c.747G>A) in the general population?

APOE p.Glu249= (c.747G>A) is ultra-rare (popmax 0.0102%, nfe) (gnomAD).

APOE p.Glu249=

c.747G>A · rs771354248 · VCV729588

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0102%, nfe)

Conditions

Cardiovascular phenotype

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
Conservation	phyloP 2	GERP 0.38, phastCons 0.98
Overall
CADD	8.11	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0102% European (non-Finnish) · 118/1,155,556 alleles

Filtering AF 0.00869% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00812%

Overall 0.00766% 119/1,554,240 alleles · ultra-rare exomes 116/1,402,106 · genomes 3/152,134 · joint denominator

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.0102%	9,793
Remaining individualsnot grpmax-eligible	0.00165%	60,518

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: APOE
Protein: p.Glu249=
Coding: c.747G>A
MANE Select: NM_000041
dbSNP: rs771354248
Type: single nucleotide variant
Location: chr19:44909043 (GRCh38)
Gene constraint: LOEUF 1.319 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 76.13 · 31 PDB
Residue 249: the '8 x 22 aa approximate tandem repeats' region; the 'lipid-binding and lipoprotein association' region; a UniProt-annotated variant site (in hlpp3; apoe3 washington)

Full APOE gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Cardiovascular phenotype — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

APOE p.Arg43Cys Pathogenic/Likely pathogenic ★★ ⚠ same condition
APOE p.Arg246Pro Uncertain significance ★★ same condition
APOE p.Arg56His Uncertain significance ★★ ⚠ same condition
APOE p.Gln119Pro Uncertain significance ★★ same condition
APOE p.Gln181His Uncertain significance ★★ ⚠ same condition
APOE p.Ser112Tyr Uncertain significance ★★ ⚠ same condition
APOE p.Trp294Cys Uncertain significance ★★ ⚠ same condition
APOE p.Val213Gly Uncertain significance ★★ ⚠ same condition

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/apoe-p-glu249 (accessed [today's date]).

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