Is TRDN p.Arg156= (c.468G>A) pathogenic?

TRDN p.Arg156= (c.468G>A) is classified Likely benign in TRDN (ClinVar, Single submitter, 1 submitter; last evaluated 2025-02-01). Very rare (popmax 0.00623%, eas); Associated with Cardiovascular phenotype.

What condition is associated with TRDN p.Arg156= (c.468G>A)?

TRDN p.Arg156= (c.468G>A) is associated with Cardiovascular phenotype (ClinVar).

How common is TRDN p.Arg156= (c.468G>A) in the general population?

TRDN p.Arg156= (c.468G>A) is very rare (popmax 0.00623%, eas) (gnomAD).

TRDN p.Arg156=

c.468G>A · VCV3810176

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00623%, eas)

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.009	strongly benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -0.1	GERP -1.9, phastCons 0.002
Overall
CADD	7.435	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00623% East Asian · 2/32,128 alleles

Filtering AF 0.00103% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000386%

Overall 0.00016% 2/1,248,550 alleles · very rare exomes 1/1,096,966 · genomes 1/151,584 · joint denominator

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: TRDN
Protein: p.Arg156=
Coding: c.468G>A
MANE Select: NM_006073
Type: single nucleotide variant
Location: chr6:123530522 (GRCh38)
Gene constraint: LOEUF 1.359 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 47.65
Residue 156: the 'disordered' region

Full TRDN 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

TRDN p.Glu168Ter Pathogenic/Likely pathogenic ★★ same condition
TRDN p.Lys177Ter Pathogenic ★★ same condition
TRDN c.1166-2A>C Uncertain significance ★★ same condition
TRDN c.1273+4T>C Uncertain significance ★★ same condition
TRDN c.1273+5G>A Uncertain significance ★★ same condition
TRDN c.1322-10T>A Uncertain significance ★★ same condition
TRDN c.1537+1G>A Uncertain significance ★★ same condition
TRDN c.1597+3A>G 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/trdn-p-arg156 (accessed [today's date]).

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