entity

G3BP

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about G3BP: its mechanistic relationships (Knowledge Graph edges), hypotheses targeting it, analyses mentioning it, and supporting scientific papers. The interactive graph below shows its immediate neighbors. All content is AI-synthesized from peer-reviewed literature.

4Connections

18Hypotheses

6Analyses

2Outgoing

2Incoming

1Experiments

6Debates

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Wiki Pages (4)

Knowledge base pages for this entity

Outgoing (2)

Target	Relation	Type	Str
Stress Granule Formation	involved_in	process	0.95
Stress Granule Formation	mediates	process	0.85

Incoming (2)

Source	Relation	Type	Str
Nsp3	binds	protein	0.95
nsP3	binds	protein	0.90

Targeting Hypotheses (18)

Hypotheses where this entity is a therapeutic target

Hypothesis	Score	Disease	Analysis
H3: G3BP1 as Nucleation Hub for TDP-43/FUS Seeding	0.743	neurodegeneration	How do pathological stress granules tran
H2: Impaired Autophagy Receptor Recruitment Traps G3BP1 Gran	0.737	neurodegeneration	How do pathological stress granules tran
Ataxin-2 Polyglutamine Expansions Hijack G3BP1 to Form Toxic	0.700	neurodegeneration	How do disease-associated mutations in G
H5: C9orf72 DPR Dipeptides Corrupt G3BP1 Condensate Properti	0.698	neurodegeneration	How do pathological stress granules tran
H1: CK2 Hyperphosphorylation Locks G3BP1 in Hyper-condensed	0.637	neurodegeneration	How do pathological stress granules tran

G3BP1 NTF2L Domain-Mediated mRNP Scaffold Creates Core Exclu	0.633	neurodegeneration	What determines the spatial organization
Steric Occlusion of G3BP1 Oligomerization Interface	0.630	neurodegeneration	How does TRIM21-mediated K63 ubiquitinat
ALS-Associated G3BP1 Mutations Shift Phase Separation Equili	0.610	neurodegeneration	How do disease-associated mutations in G
Displacement of G3BP1 RGG Box from Target RNA via Ubiquitin-	0.600	neurodegeneration	How does TRIM21-mediated K63 ubiquitinat
Competition with G3BP1-Caprin1/FMRP Scaffold Formation	0.590	neurodegeneration	How does TRIM21-mediated K63 ubiquitinat
G3BP1 Haploinsufficiency Reveals a Therapeutic Window for SG	0.590	neurodegeneration	How do disease-associated mutations in G
ALS-Associated G3BP1/2 Mutations Disrupt TRIM21 Binding Inte	0.585	neurodegeneration	How do pathological stress granules in n
Dysregulated G3BP1 Signaling Impairs Local Translation in Ne	0.580	neurodegeneration	How do disease-associated mutations in G
Modulation of G3BP1 Intrinsically Disordered Region Solvatio	0.500	neurodegeneration	How does TRIM21-mediated K63 ubiquitinat
G3BP1-TDP-43 Cross-Seeding Drives Co-Aggregation That Prion-	0.490	neurodegeneration	How do disease-associated mutations in G
Casein Kinase 2 (CK2)-Mediated Hyperphosphorylation of G3BP1	0.440	neurodegeneration	How do pathological stress granules in n
FUS Mutations Impede G3BP1's Chaperone Function, Exposing Ne	0.430	neurodegeneration	How do disease-associated mutations in G
Small-Molecule Modulation of G3BP1 Condensate Dynamics via P	0.400	neurodegeneration	How do disease-associated mutations in G

Mentioning Analyses (6)

Scientific analyses that reference this entity

What determines the spatial organization of autophagy receptors at stress granul

neurodegeneration | 2026-04-08 | 5 hypotheses Top: 0.633

What determines the specificity of RNA-protein interactions that drive distinct

neurodegeneration | 2026-04-07 | 7 hypotheses Top: 0.710

How does TRIM21-mediated K63 ubiquitination of G3BP1 mechanistically inhibit liq

neurodegeneration | 2026-04-07 | 7 hypotheses Top: 0.730

How do pathological stress granules transition from reversible to persistent in

neurodegeneration | 2026-04-06 | 7 hypotheses Top: 0.834

How do pathological stress granules in neurodegeneration escape TRIM21/autophagy

neurodegeneration | 2026-04-06 | 7 hypotheses Top: 0.717

Experiments (1)

Experimental studies targeting or related to this entity

Experiment	Type	Disease	Score	Feasibility	Model	Status	Est. Cost
Proposed experiment from debate on TDP-43 undergoes liquid-liquid phas	falsification	Neurodegeneration	0.400	0.50	cell_line	proposed	$80,000

Related Papers (0)

Scientific publications cited in analyses involving this entity

Title & PMID	Authors	Journal	Year	Citations
No papers found

Debates (6)

Multi-agent debates referencing this entity

The study establishes G3BP1's role as a tunable switch for stress granule assemb

closed · Rounds: 4 · Score: 0.69 · 2026-04-22

The study shows TRIM21 and autophagy receptors can eliminate both physiological

closed · Rounds: 4 · Score: 0.75 · 2026-04-22

The study shows stress granules are dynamic and reversible assemblies, but in ne

closed · Rounds: 4 · Score: 0.84 · 2026-04-22

The study shows that G3BP1 ubiquitination inhibits LLPS in vitro, but the molecu

closed · Rounds: 4 · Score: 0.79 · 2026-04-21

While the study identifies G3BP1 as a central node triggering phase separation,

closed · Rounds: 4 · Score: 0.76 · 2026-04-21

SQSTM1 and CALCOCO2 specifically localize to SG periphery rather than throughout

closed · Rounds: 4 · Score: 0.69 · 2026-04-21

Related Research

Hypotheses and analyses mentioning G3BP in their description or question text

G3BP1 NTF2L Domain-Mediated mRNP Scaffold Creates Core Exclusion Zone for Autoph

Score: 0.633 · neurodegeneration · 2026-04-21

## Mechanistic Overview G3BP1 NTF2L Domain-Mediated mRNP Scaffold Creates Core Exclusion Zone for Autophagy Receptors st

Steric Occlusion of G3BP1 Oligomerization Interface

Score: 0.630 · neurodegeneration · 2026-04-21

**Molecular Mechanism and Rationale** The hypothesis centers on the precise regulation of G3BP1 (Ras GTPase-activating

ALS-Associated G3BP1 Mutations Shift Phase Separation Equilibrium Toward Aberran

Score: 0.610 · neurodegeneration · 2026-04-22

## Mechanistic Overview ALS-Associated G3BP1 Mutations Shift Phase Separation Equilibrium Toward Aberrant Condensate Sta

Displacement of G3BP1 RGG Box from Target RNA via Ubiquitin-Mediated Allostery

Score: 0.600 · neurodegeneration · 2026-04-21

**Molecular Mechanism and Rationale** The molecular basis for G3BP1-mediated stress granule formation centers on the in

Competition with G3BP1-Caprin1/FMRP Scaffold Formation

Score: 0.590 · neurodegeneration · 2026-04-21

**Molecular Mechanism and Rationale** The hypothesis centers on the critical role of G3BP1 (Ras GTPase-activating prote

G3BP1 Haploinsufficiency Reveals a Therapeutic Window for SG-Targeting Intervent

Score: 0.590 · neurodegeneration · 2026-04-22

## Mechanistic Overview G3BP1 Haploinsufficiency Reveals a Therapeutic Window for SG-Targeting Interventions starts from

ALS-Associated G3BP1/2 Mutations Disrupt TRIM21 Binding Interfaces

Score: 0.585 · neurodegeneration · 2026-04-22

**Molecular Mechanism and Rationale** The G3BP1 and G3BP2 proteins function as critical scaffolding molecules in the fo

Dysregulated G3BP1 Signaling Impairs Local Translation in Neuronal Processes, Co

Score: 0.580 · neurodegeneration · 2026-04-22

## Mechanistic Overview Dysregulated G3BP1 Signaling Impairs Local Translation in Neuronal Processes, Contributing to Sy

Modulation of G3BP1 Intrinsically Disordered Region Solvation Free Energy

Score: 0.500 · neurodegeneration · 2026-04-21

## Mechanistic Overview Modulation of G3BP1 Intrinsically Disordered Region Solvation Free Energy starts from the claim

G3BP1-TDP-43 Cross-Seeding Drives Co-Aggregation That Prion-Spreads Across Neura

Score: 0.490 · neurodegeneration · 2026-04-22

## Mechanistic Overview G3BP1-TDP-43 Cross-Seeding Drives Co-Aggregation That Prion-Spreads Across Neural Circuits start

Casein Kinase 2 (CK2)-Mediated Hyperphosphorylation of G3BP1 Blocks TRIM21 Acces

Score: 0.440 · neurodegeneration · 2026-04-22

## Mechanistic Overview Casein Kinase 2 (CK2)-Mediated Hyperphosphorylation of G3BP1 Blocks TRIM21 Access starts from th

FUS Mutations Impede G3BP1's Chaperone Function, Exposing Neurotoxic Stress Gran

Score: 0.430 · neurodegeneration · 2026-04-22

## Mechanistic Overview FUS Mutations Impede G3BP1's Chaperone Function, Exposing Neurotoxic Stress Granule Intermediate

Small-Molecule Modulation of G3BP1 Condensate Dynamics via PRMT1 Methylation as

Score: 0.400 · neurodegeneration · 2026-04-22

## Mechanistic Overview Small-Molecule Modulation of G3BP1 Condensate Dynamics via PRMT1 Methylation as a Therapeutic St