Gnb4 Protein — G Protein Subunit Beta 4 is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| G Protein Subunit Beta 4 | |
|---|---|
| Protein Name | GNB4 (G protein beta subunit 4) |
| Gene | GNB4 |
| UniProt ID | Q9HAV0 |
| PDB Structure | 1TBG, 1XCM |
| Molecular Weight | 37 kDa |
| Subcellular Localization | Plasma membrane, cytoplasm |
| Protein Family | G protein beta subunit family |
This page provides comprehensive information about the subject's role in neurodegenerative diseases. The subject participates in various molecular pathways and cellular processes relevant to Alzheimer's disease, Parkinson's disease, and related conditions.
GNB4 is a 340 amino acid protein that forms heterodimers with gamma subunits. The beta subunit consists of seven WD40 repeats that form a propeller-like structure.
The G beta-gamma dimer transduces signals from activated GPCRs to downstream effectors including adenylyl cyclases, phospholipases, and ion channels.
Mutations in GNB4 cause Charcot-Marie-Tooth disease type 2J. The dysregulated G protein signaling affects peripheral nerve function.
No specific therapies exist. Research focuses on understanding G protein signaling in neuropathy.
The study of Gnb4 Protein — G Protein Subunit Beta 4 has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.