Is ACO2 p.Pro560Arg (c.1679C>G) pathogenic?

ACO2 p.Pro560Arg (c.1679C>G) is classified Uncertain significance in ACO2 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-07-04). AlphaMissense: likely benign (0.1133); Very rare (popmax 8.47e-05%, nfe).

How common is ACO2 p.Pro560Arg (c.1679C>G) in the general population?

ACO2 p.Pro560Arg (c.1679C>G) is very rare (popmax 8.47e-05%, nfe) (gnomAD).

What do computational predictors say about ACO2 p.Pro560Arg (c.1679C>G)?

AlphaMissense predicts likely benign (score 0.1133) — an in-silico prediction, not a clinical call.

ACO2 p.Pro560Arg

c.1679C>G · rs2066571154 · VCV1973323

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.1133 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 8.47e-05%, nfe)

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL no call

Computational evidence

Protein change
AlphaMissense	0.1133	likely benign
REVEL	0.424	indeterminate
SaProt	LLR -12.91	damaging
⇒ SaProt calls this damaging; AlphaMissense does not; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 1.9, phastCons 1
Regional constraint	o/e 0.70	unconstrained · MANE · 9,513 bp · p 5.1e-10 · regional, not allelic
Overall
CADD	26.4	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

Grpmax group 8.47e-05% European (non-Finnish) · 1/1,179,994 alleles

Overall 6.84e-05% 1/1,461,762 alleles · very rare

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: ACO2
Protein: p.Pro560Arg
Coding: c.1679C>G
MANE Select: NM_001098
dbSNP: rs2066571154
Type: single nucleotide variant
Location: chr22:41525266 (GRCh38)
Gene constraint: LOEUF 0.489 · pLI 0.98 (gnomAD)
Structure: AlphaFold pLDDT 95.44
Residue 560: the 'disordered' region

Full ACO2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ACO2 p.Pro560= Likely benign ★ same residue
ACO2 p.Arg378Ter Pathogenic/Likely pathogenic ★★ same type
ACO2 p.Arg58Ter Pathogenic/Likely pathogenic ★★ same type
ACO2 p.Arg84Ter Pathogenic ★★ same type
ACO2 p.Glu464Ter Pathogenic/Likely pathogenic ★★ same type
ACO2 p.Gly503Ter Pathogenic ★★ same type
ACO2 c.1605+5G>C Uncertain significance ★★ same type
ACO2 c.2208+5G>C 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/aco2-p-pro560arg (accessed [today's date]).

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