Is ACAP3 p.Leu225Arg (c.674T>G) pathogenic?

ACAP3 p.Leu225Arg (c.674T>G) is classified Uncertain significance in ACAP3 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-07-19). AlphaMissense: likely pathogenic (0.7594); Absent from gnomAD v4.1.

How common is ACAP3 p.Leu225Arg (c.674T>G) in the general population?

ACAP3 p.Leu225Arg (c.674T>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ACAP3 p.Leu225Arg (c.674T>G)?

AlphaMissense predicts likely pathogenic (score 0.7594) — an in-silico prediction, not a clinical call.

ACAP3 p.Leu225Arg

c.674T>G · rs2522695600 · VCV2302418

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.7594 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL no call

Computational evidence

Protein change
AlphaMissense	0.7594	likely pathogenic
REVEL	0.399	indeterminate
SaProt	LLR -5.25	tolerated
⇒ AlphaMissense calls this damaging; SaProt does not; REVEL makes no call.
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · A>T here scores Δ0.41 · evaluated, not missing
Constraint at this position
Conservation	phyloP 11	GERP 2.5, phastCons 1
Regional constraint	o/e 1.03	unconstrained · MANE · 14 kb · p 0.33 · regional, not allelic
Overall
CADD	27.1	PHRED · no single calibrated threshold — expert panels disagree

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: ACAP3
Protein: p.Leu225Arg
Coding: c.674T>G
MANE Select: NM_030649
dbSNP: rs2522695600
Type: single nucleotide variant
Location: chr1:1299895 (GRCh38)
Gene constraint: LOEUF 0.816 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 76.31

Full ACAP3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ACAP3 p.Ala242Val Uncertain significance ★ ⚠ same type
ACAP3 p.Ala265Val Uncertain significance ★ ⚠ same type
ACAP3 p.Ala282Thr Uncertain significance ★ ⚠ same type
ACAP3 p.Ala307Thr Uncertain significance ★ ⚠ same type
ACAP3 p.Ala392Thr Uncertain significance ★ ⚠ same type
ACAP3 p.Ala526Thr Uncertain significance ★ ⚠ same type
ACAP3 p.Ala596Val Uncertain significance ★ ⚠ same type
ACAP3 p.Ala598Thr 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/acap3-p-leu225arg (accessed [today's date]).

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