Send feedback

TXNRD2 p.Val504Ala

c.1511T>C · rs769258408 · VCV263607

Uncertain significance Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00268%, afr)
Conditions
2
Cardiovascular phenotype

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.811moderately pathogenic-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 9.3GERP 1.5, phastCons 1
Regional constrainto/e 0.88unconstrained · MANE · 65 kb · p 0.0019 · regional, not allelic
Overall
CADD25.4PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00268% African / African-American · 2/74,682 alleles
Filtering AF 0.000765% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000606%
Overall 0.00112% 18/1,609,934 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00268% 37,341
Remaining individualsnot grpmax-eligible 0.00161% 62,294
European (non-Finnish) 0.00127% 78,511

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.Val504Ala
Coding
c.1511T>C
MANE Select
NM_006440
dbSNP
rs769258408
Type
single nucleotide variant
Location
chr22:19877169 (GRCh38)
Gene constraint
LOEUF 1.18 · pLI <0.01 (gnomAD)
Residue 504
a UniProt-annotated variant site (in gccd5; the mutant protein is undetectable in patient cells)
Full TXNRD2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-val504ala (accessed [today's date]).

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