Is ARMC2 p.Ala231Thr (c.691G>A) pathogenic?

ARMC2 p.Ala231Thr (c.691G>A) is classified Uncertain significance in ARMC2 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-03-18). AlphaMissense: likely benign (0.0709); Absent from gnomAD v4.1.

How common is ARMC2 p.Ala231Thr (c.691G>A) in the general population?

ARMC2 p.Ala231Thr (c.691G>A) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ARMC2 p.Ala231Thr (c.691G>A)?

AlphaMissense predicts likely benign (score 0.0709) — an in-silico prediction, not a clinical call.

ARMC2 p.Ala231Thr

c.691G>A · VCV3315444

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0709 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0709	likely benign
REVEL	0.083	moderately benign-leaning
SaProt	LLR -5.62	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 0.076	GERP -4.8
Regional constraint	o/e 0.89	unconstrained · MANE · 119 kb · p 0.00055 · regional, not allelic
Overall
CADD	0.725	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: ARMC2
Protein: p.Ala231Thr
Coding: c.691G>A
MANE Select: NM_032131
Type: single nucleotide variant
Location: chr6:108894486 (GRCh38)
Gene constraint: LOEUF 0.936 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 75.57
Residue 231: the 'disordered' region; a UniProt-annotated variant site (in spgf38; uncertain significance)

Full ARMC2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

ARMC2 c.2153-1G>C Likely pathogenic ★ same type
ARMC2 p.Asn743Asp Likely pathogenic ★ same type
ARMC2 p.Ala123Val Uncertain significance ★ ⚠ same type
ARMC2 p.Ala143Thr Uncertain significance ★ ⚠ same type
ARMC2 p.Ala260Pro Uncertain significance ★ ⚠ same type
ARMC2 p.Ala292Asp Uncertain significance ★ ⚠ same type
ARMC2 p.Ala495Val Uncertain significance ★ ⚠ same type
ARMC2 p.Ala593Ser 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/armc2-p-ala231thr (accessed [today's date]).

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