Is TREX1 p.Pro192= (c.576A>G) pathogenic?

TREX1 p.Pro192= (c.576A>G) is classified Likely benign in TREX1 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-08-10). Absent from gnomAD v4.1; Associated with chilblain lupus 1.

How common is TREX1 p.Pro192= (c.576A>G) in the general population?

TREX1 p.Pro192= (c.576A>G) is absent from gnomAD v4.1 (gnomAD).

How is Familial Chilblain lupus inherited?

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

TREX1 p.Pro192=

Q: What condition is associated with TREX1 p.Pro192= (c.576A>G)?

TREX1 p.Pro192= (c.576A>G) is associated with chilblain lupus 1, retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations, Aicardi-Goutieres syndrome 1 (ClinVar).

c.576A>G · VCV4790452

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

chilblain lupus 1

⚠ Built without this gene's context — gene constraint and dosage, protein structure, pathways, panels and related-variant links were not looked up for this page. why

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not looked up on this page · why
Constraint at this position
Conservation	phyloP -7.9	GERP -3.6
Overall
CADD	0.075	PHRED · no single calibrated threshold — expert panels disagree

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: TREX1
Protein: p.Pro192=
Coding: c.576A>G
MANE Select: NM_033629
Type: single nucleotide variant
Location: chr3:48467231 (GRCh38)

Full TREX1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

chilblain lupus 1 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations Aicardi-Goutieres syndrome 1

For Familial Chilblain lupus (Orphanet):

Inheritance: Autosomal dominant
Onset: Childhood, Infancy

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/trex1-p-pro192 (accessed [today's date]).

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