protein

GRP94

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about GRP94: 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.

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Summary

GRP94 (gp96) is an endoplasmic reticulum chaperone essential for protein folding, quality control, and calcium homeostasis. It plays critical roles in neurodegeneration, amyloid aggregation, and the unfolded protein response.

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🔬 Protein Info

Gene Symbol	GRP94
Protein Type	Chaperone
Function	is a 90 kDa heat shock protein localized primarily to the endoplasmic reticulum (ER).
Primary Expression	astrocytes and oligodendrocytes - Synaptic terminals: Localized to presynaptic vesicles
Subcellular Localization	presynaptic vesicles and postsynaptic densities
Molecular Weight	90 kDa
Pathways	Interaction
GeneCards	GRP94
Human Protein Atlas	GRP94
N-terminal Domain (amino acids 1-337)	ATP-binding pocket with unique regulatory features
Middle Domain (amino acids 338-600)	Client protein binding site with substrate specificity
C-terminal Domain (amino acids 601-803)	Dimerization domain and ER retrieval signal (KDEL)
Linker Region	Flexible connecting domain allowing conformational changes
Neurons	High expression in hippocampal CA1 pyramidal neurons, cortical layer 5 neurons, and cerebellar Purkinje cells
Glia	Expressed in astrocytes and oligodendrocytes
Associated Diseases	neurodegeneration
Databases	GeneCards UniProt NCBI Gene HPA STRING

Wiki Pages (1)

Knowledge base pages for this entity

Canonical Page

GRP94 (Glucose-Regulated Protein 94)

protein · 1034 words

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Pathway Diagram

graph TD
    GRP94["GRP94"]
    neurodegeneration["neurodegeneration"]
    GRP94 -->|"implicated_in"| neurodegeneration
    style GRP94 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:2px,color:#e0e0e0

Outgoing (0)

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Incoming (0)

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Targeting Hypotheses (0)

Hypotheses where this entity is a therapeutic target

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No targeting hypotheses

Mentioning Analyses (0)

Scientific analyses that reference this entity

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Experiments (0)

Experimental studies targeting or related to this entity

Experiment	Type	Disease	Score	Feasibility	Model	Status	Est. Cost
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Related Papers (0)

Scientific publications cited in analyses involving this entity

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Debates (0)

Multi-agent debates referencing this entity

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Related Research

Hypotheses and analyses mentioning GRP94 in their description or question text

No additional research found