Is RYR2 p.Ala3026Val (c.9077C>T) pathogenic?

RYR2 p.Ala3026Val (c.9077C>T) is classified Uncertain significance in RYR2 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-04-13). AlphaMissense: ambiguous (0.4842); No allele count reported in gnomAD v4.1 (AN 1,549,066); Associated with catecholaminergic polymorphic ventricular tachycardia 1.

What condition is associated with RYR2 p.Ala3026Val (c.9077C>T)?

RYR2 p.Ala3026Val (c.9077C>T) is associated with catecholaminergic polymorphic ventricular tachycardia 1 (ClinVar).

How common is RYR2 p.Ala3026Val (c.9077C>T) in the general population?

RYR2 p.Ala3026Val (c.9077C>T) is no allele count reported in gnomAD v4.1 (AN 1,549,066) (gnomAD).

What do computational predictors say about RYR2 p.Ala3026Val (c.9077C>T)?

AlphaMissense predicts ambiguous (score 0.4842) — an in-silico prediction, not a clinical call.

RYR2 p.Ala3026Val

Q: How is Inherited isolated arrhythmogenic cardiomyopathy inherited?

Typically Autosomal dominant (Orphanet). A genetic counselor can assess individual risk for a family.

c.9077C>T · VCV4800099

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4842 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,549,066)

Conditions

catecholaminergic polymorphic ventricular tachycardia 1

Computational evidence

Protein change
AlphaMissense	0.4842	ambiguous
REVEL	0.515	indeterminate
SaProt	—	not scored · why
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 7.6	GERP 2.2, phastCons 1
Regional constraint	o/e 0.81	unconstrained · MANE · 132 kb · p 8.2e-16 · regional, not allelic
Overall
CADD	23.8	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL is an independent agreement signal.

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,549,066). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: RYR2
Protein: p.Ala3026Val
Coding: c.9077C>T
MANE Select: NM_001035
Type: single nucleotide variant
Location: chr1:237698974 (GRCh38)
Gene constraint: LOEUF 0.424 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Residue 3026: an α-helix

Full RYR2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

catecholaminergic polymorphic ventricular tachycardia 1 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Inherited isolated arrhythmogenic cardiomyopathy (Orphanet):

Inheritance: Autosomal dominant
Onset: No data available

Similar variants

RYR2 p.Ala2387Thr Pathogenic/Likely pathogenic ★★ same condition
RYR2 p.Ala2387Val Pathogenic/Likely pathogenic ★★ same condition
RYR2 p.Ala391Asp Likely pathogenic ★★ same condition
RYR2 p.Ala4091Val Pathogenic/Likely pathogenic ★★ same condition
RYR2 p.Ala4510Pro Pathogenic/Likely pathogenic ★★ same condition
RYR2 p.Ala77Val Pathogenic/Likely pathogenic ★★ same condition
RYR2 p.Arg169Gln Pathogenic/Likely pathogenic ★★ same condition
RYR2 p.Arg176Gln 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/ryr2-p-ala3026val (accessed [today's date]).

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