Is JUP p.Ter746= (c.2238G>A) pathogenic?

JUP p.Ter746= (c.2238G>A) is classified Likely benign in JUP (ClinVar, Single submitter, 1 submitter; last evaluated 2023-04-06). Absent from gnomAD v4.1; Associated with arrhythmogenic right ventricular dysplasia 12.

What condition is associated with JUP p.Ter746= (c.2238G>A)?

JUP p.Ter746= (c.2238G>A) is associated with arrhythmogenic right ventricular dysplasia 12, Naxos disease (ClinVar).

How common is JUP p.Ter746= (c.2238G>A) in the general population?

JUP p.Ter746= (c.2238G>A) is absent from gnomAD v4.1 (gnomAD).

JUP p.Ter746=

Q: How is Inherited isolated arrhythmogenic cardiomyopathy inherited?

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

c.2238G>A · rs2544006052 · VCV2945479

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

Consequence

stop-loss

predicted LoF

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

arrhythmogenic right ventricular dysplasia 12

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	stop-loss	predicted loss-of-function
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 2.1	GERP 0.35, phastCons 1
Overall
CADD	13.37	PHRED · no single calibrated threshold — expert panels disagree

Predicted loss-of-function is descriptive, not an applied PVS1 code.

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: JUP
Protein: p.Ter746=
Coding: c.2238G>A
MANE Select: NM_002230
dbSNP: rs2544006052
Type: single nucleotide variant
Location: chr17:41755744 (GRCh38)
Gene constraint: LOEUF 0.533 · pLI 0.74 (gnomAD)
Structure: AlphaFold pLDDT 80.88 · 1 PDB

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

Disease context

arrhythmogenic right ventricular dysplasia 12 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: Naxos disease

For Inherited isolated arrhythmogenic cardiomyopathy (Orphanet):

Inheritance: Autosomal dominant
Onset: No data available

Similar variants

JUP c.1773+3G>A Uncertain significance ★★ same condition
JUP c.468+4T>C Uncertain significance ★★ same condition
JUP c.707+5C>A Uncertain significance ★★ same condition
JUP c.*1026G>A Uncertain significance ★★ same condition
JUP c.*1136C>T Uncertain significance ★★ same condition
JUP c.*413C>T Uncertain significance ★★ same condition
JUP c.*771G>C Uncertain significance ★★ same condition
JUP c.*906A>C Uncertain significance ★★ 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/jup-p-ter746 (accessed [today's date]).

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