Is APOOL p.Ser228Gly (c.682A>G) pathogenic?

APOOL p.Ser228Gly (c.682A>G) is classified Uncertain significance in APOOL (ClinVar, Single submitter, 1 submitter; last evaluated 2024-02-28). AlphaMissense: likely benign (0.0715); Absent from gnomAD v4.1.

How common is APOOL p.Ser228Gly (c.682A>G) in the general population?

APOOL p.Ser228Gly (c.682A>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about APOOL p.Ser228Gly (c.682A>G)?

AlphaMissense predicts likely benign (score 0.0715) — an in-silico prediction, not a clinical call.

APOOL p.Ser228Gly

c.682A>G · rs1602791745 · VCV3128065

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0715 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0715	likely benign
REVEL	0.059	moderately benign-leaning
SaProt	LLR -7.48	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.31	GERP 0.77
Regional constraint	o/e 1.06	unconstrained · MANE · 84 kb · p 0.38 · regional, not allelic
Overall
CADD	9.098	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: APOOL
Protein: p.Ser228Gly
Coding: c.682A>G
MANE Select: NM_198450
dbSNP: rs1602791745
Type: single nucleotide variant
Location: chrX:85074355 (GRCh38)
Structure: AlphaFold pLDDT 70.83
Residue 228: the 'disordered' region

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

Similar variants

APOOL p.Ala124Glu Uncertain significance ★ ⚠ same type
APOOL p.Ala178Gly Uncertain significance ★ ⚠ same type
APOOL p.Ala241Ser Uncertain significance ★ ⚠ same type
APOOL p.Arg69Cys Uncertain significance ★ ⚠ same type
APOOL p.Arg69His Uncertain significance ★ ⚠ same type
APOOL p.Gln156His Uncertain significance ★ ⚠ same type
APOOL p.Gln173His Uncertain significance ★ ⚠ same type
APOOL p.Glu30Lys Uncertain significance ★ ⚠ same type

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/apool-p-ser228gly (accessed [today's date]).

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