Is TXNRD2 p.Ala59Pro (c.175G>C) pathogenic?

TXNRD2 p.Ala59Pro (c.175G>C) is classified Uncertain significance in TXNRD2 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-12-01). Very rare (popmax 0.00252%, nfe); Associated with dilated cardiomyopathy.

What condition is associated with TXNRD2 p.Ala59Pro (c.175G>C)?

TXNRD2 p.Ala59Pro (c.175G>C) is associated with dilated cardiomyopathy (ClinVar).

How common is TXNRD2 p.Ala59Pro (c.175G>C) in the general population?

TXNRD2 p.Ala59Pro (c.175G>C) is very rare (popmax 0.00252%, nfe) (gnomAD).

TXNRD2 p.Ala59Pro

c.175G>C · rs752863555 · VCV1779561

Uncertain significance Multiple submitters

Classification

Uncertain significance

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00252%, nfe)

Conditions

dilated cardiomyopathy

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.543	indeterminate
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 4.6	GERP 0.41, phastCons 1
Regional constraint	o/e 0.88	unconstrained · MANE · 65 kb · p 0.0019 · regional, not allelic
Overall
CADD	24.8	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00252% European (non-Finnish) · 29/1,152,232 alleles

Filtering AF 0.00177% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00153%

Overall 0.00206% 29/1,407,000 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: TXNRD2
Protein: p.Ala59Pro
Coding: c.175G>C
MANE Select: NM_006440
dbSNP: rs752863555
Type: single nucleotide variant
Location: chr22:19919597 (GRCh38)
Gene constraint: LOEUF 1.18 · pLI <0.01 (gnomAD)
Residue 59: a binding site

Full TXNRD2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

dilated cardiomyopathy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

TXNRD2 p.Ala59Thr Uncertain significance ★★ same residue
TXNRD2 p.Ala59= Benign ★★ same residue
TXNRD2 c.104-1G>A Uncertain significance ★★ same condition
TXNRD2 c.104-3C>G Uncertain significance ★★ same condition
TXNRD2 c.1086+4C>T Uncertain significance ★★ same condition
TXNRD2 c.1087-2A>G Uncertain significance ★★ same condition
TXNRD2 c.1348-2A>G Uncertain significance ★★ same condition
TXNRD2 c.1348-9G>A 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/txnrd2-p-ala59pro (accessed [today's date]).

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