GPSM3

Chr 6

G protein signaling modulator 3

Also known as: AGS4, C6orf9, G18, G18.1a, G18.1b, G18.2, NG1

NCBI Gene: 63940ENSG00000213654UniProt: Q9Y4H4

Predicted to enable GTPase regulator activity. Predicted to be involved in positive regulation of inflammatory response. Predicted to act upstream of or within positive regulation of cytokine production involved in inflammatory response and positive regulation of leukocyte chemotaxis. Predicted to be located in cytoplasm and plasma membrane. [provided by Alliance of Genome Resources, Jul 2025]

ResearchGenerating clinical summary…

Clinical highlights

Interpreting a novel variant
This gene is strongly intolerant of loss-of-function variation in the population, so LoF variants warrant close attention. No curated mechanism annotation is available — see the mechanism card for the computational prediction and its caveats.Based on population constraint only.
0
Active trials
3
Pubs (1 yr)
—
P/LP submissions
—
P/LP missense
0.79
LOEUF
GOF
Mechanism· predicted
Some data sources returned errors (1)

omim: Error: OMIM fetch failed: 429

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

gnomAD
Tolerant — LoF & missense variants common in population
LoF Constraint?
0.79LOEUF
pLI 0.286
Z-score 1.97
OE 0.25 (0.10–0.79)
Tolerant

Typical tolerance to LoF variation

Missense Constraint?
0.87Z-score
OE missense 0.74 (0.61–0.91)
67 obs / 90.1 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.25 (0.10–0.79)
0≤0.351.4
Missense OE?0.74 (0.61–0.91)
0≤0.61.4
Synonymous OE?0.56
0≤1.21.6
LoF obs/exp: 2 / 8.0Missense obs/exp: 67 / 90.1Syn Z: 1.98

ClinVar Variant Classifications

0 submitted variants in ClinVar

ClinVar

Protein Context — Lollipop Plot

GPSM3 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →

External Resources

Links to major genomics databases and tools

Franklin by Genoox
AI-powered variant curation and clinical analysis
DECIPHER
Genomic variants and phenotypes in rare disease patients