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Activation and Inactivation of G Proteins

Activation and Inactivation of G Proteins

Heterotrimeric G proteins are guanine nucleotide-binding proteins. As the name suggests, heterotrimeric G proteins are composed of three subunits: alpha, beta, and gamma. They remain GDP-bound or GTP-bound inside the cells and switch between inactive/active states. The Gα subunit possesses the nucleotide-binding pocket that binds guanine nucleotides and switches between GDP or GTP-bound states. In contrast, the Gꞵ and Gγ subunits are always bound together with high...

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Related Experiment Video

Updated: Apr 5, 2026

Tools to Study the Role of Architectural Protein HMGB1 in the Processing of Helix Distorting, Site-specific DNA Interstrand Crosslinks

Tools to Study the Role of Architectural Protein HMGB1 in the Processing of Helix Distorting, Site-specific DNA Interstrand Crosslinks

Published on: November 10, 2016

HMGB1 and injury amplification

Peter Huebener¹, Celine Hernandez², Robert F Schwabe²

¹Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

|August 27, 2015

Summary

No abstract available in PubMed .

Keywords:

DAMPs HMGB1 RAGE cell death inflammation

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