Is APP p.Glu605= (c.1815G>A) pathogenic?

APP p.Glu605= (c.1815G>A) is classified Likely benign in APP (ClinVar, Single submitter, 1 submitter; last evaluated 2022-07-23). Ultra-rare (popmax 0.0164%, mid); Associated with Alzheimer disease.

What condition is associated with APP p.Glu605= (c.1815G>A)?

APP p.Glu605= (c.1815G>A) is associated with Alzheimer disease (ClinVar).

How common is APP p.Glu605= (c.1815G>A) in the general population?

APP p.Glu605= (c.1815G>A) is ultra-rare (popmax 0.0164%, mid) (gnomAD).

APP p.Glu605=

c.1815G>A · rs755596937 · VCV2079268

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

ultra-rare (popmax 0.0164%, mid)

Conditions

Alzheimer disease

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 0.75	GERP 1.8, phastCons 1
Overall
CADD	7.451	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0164% Middle Eastern · 1/6,084 alleles

Filtering AF 0.00514% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00375%

Overall 0.00105% 17/1,614,070 alleles · ultra-rare exomes 16/1,461,888 · genomes 1/152,182 · joint denominator

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.0164%	6,084
South Asian	0.00988%	10,120
Remaining individualsnot grpmax-eligible	0.0048%	20,829
European (non-Finnish)	0.000339%	295,012

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: APP
Protein: p.Glu605=
Coding: c.1815G>A
MANE Select: NM_000484
dbSNP: rs755596937
Type: single nucleotide variant
Location: chr21:25911835 (GRCh38)
Gene constraint: LOEUF 0.41 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 68.11 · 263 PDB

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

Disease context

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

Similar variants

APP p.Glu605Asp Conflicting classifications of pathogenicity ★ ⚠ same residue
APP p.Glu605Gly Uncertain significance ★ ⚠ same residue
APP p.Glu605Gln Uncertain significance ★ ⚠ same residue
APP p.Ala713Thr Likely pathogenic ★★ ⚠ same condition
APP p.Asp694Asn Pathogenic ★★ ⚠ same condition
APP p.Glu693Gln Pathogenic ★★ ⚠ same condition
APP p.Ile716Phe Pathogenic ★★ ⚠ same condition
APP p.Thr714Ala Pathogenic ★★ ⚠ 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/app-p-glu605 (accessed [today's date]).

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