Is JPH2 p.Arg245= (c.735T>C) pathogenic?

JPH2 p.Arg245= (c.735T>C) is classified Likely benign in JPH2 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2020-11-15). Ultra-rare (popmax 0.0402%, sas); Associated with Cardiovascular phenotype.

What condition is associated with JPH2 p.Arg245= (c.735T>C)?

JPH2 p.Arg245= (c.735T>C) is associated with Cardiovascular phenotype (ClinVar).

How common is JPH2 p.Arg245= (c.735T>C) in the general population?

JPH2 p.Arg245= (c.735T>C) is ultra-rare (popmax 0.0402%, sas) (gnomAD).

JPH2 p.Arg245=

c.735T>C · rs569709682 · VCV1211527

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0402%, sas)

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.043	GERP -3.5, phastCons 0.69
Overall
CADD	8.494	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0402% South Asian · 34/84,680 alleles

Filtering AF 0.0295% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0258%

Overall 0.00226% 35/1,547,206 alleles · ultra-rare exomes 32/1,395,178 · genomes 3/152,028 · joint denominator

Ancestry group	Frequency	1 in
South Asiangrpmax	0.0402%	2,491
Remaining individualsnot grpmax-eligible	0.00166%	60,376

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: JPH2
Protein: p.Arg245=
Coding: c.735T>C
MANE Select: NM_020433
dbSNP: rs569709682
Type: single nucleotide variant
Location: chr20:44160052 (GRCh38)
Gene constraint: LOEUF 1.051 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 65.09 · 2 PDB

Full JPH2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Cardiovascular phenotype — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

JPH2 c.-4T>A Uncertain significance ★★ same condition
JPH2 p.Ala214Glu Uncertain significance ★★ ⚠ same condition
JPH2 p.Ala23Thr Uncertain significance ★★ ⚠ same condition
JPH2 p.Ala23Val Uncertain significance ★★ ⚠ same condition
JPH2 p.Ala394Thr Uncertain significance ★★ ⚠ same condition
JPH2 p.Ala401Val Uncertain significance ★★ ⚠ same condition
JPH2 p.Ala419Ser Uncertain significance ★★ ⚠ same condition
JPH2 p.Ala460Val 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/jph2-p-arg245 (accessed [today's date]).

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