ArticleScience advances2023
The opening dynamics of the lateral gate regulates the activity of rhomboid proteases.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 16 citations in OpenAlex.
- Targeting the Membrane-Embedded Rhomboid Protease GlpG: A Multimodal Strategy for Inhibitor Discovery and Mechanistic Insight.Angewandte Chemie (International ed. in English) · 2026Article
- The lipid bilayer strengthens the cooperative network of membrane proteins.Science advances · 2025Article
- Maintaining the Integral Membrane Proteome: Revisiting the Functional Repertoire of Integral Membrane Proteases.Chembiochem : a European journal of chemical biology · 2025Review
- Evaluation of TOCSY mixing for sensitivity-enhancement in solid-state NMR and application of 4D experiments for side-chain assignments of the full-length 30 kDa membrane protein GlpG.Journal of biomolecular NMR · 2025Article
- The Dsc complex and its role in Golgi quality control.Biochemical Society transactions · 2024Review
- AnbioRxiv : the preprint server for biology · 2024Article
- Lipid-polymer nanoparticles to probe the native-like environment of intramembrane rhomboid protease GlpG and its activity.Nature communications · 2024Article
- Homonuclear Simplified Preservation of Equivalent Pathways Spectroscopy.The journal of physical chemistry letters · 2024Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rhomboid proteases hydrolyze substrate helices within the lipid bilayer to release soluble domains from the membrane. Here, we investigate the mechanism of activity regulation for this unique but wide-spread protein family. In the model rhomboid GlpG, a lateral gate formed by transmembrane helices TM2 and TM5 was previously proposed to allow access of the hydrophobic substrate to the shielded hydrophilic active site. In our study, we modified the gate region and either immobilized the gate by introducing a maleimide-maleimide (M2M) crosslink or weakened the TM2/TM5 interaction network through mutations. We used solid-state nuclear magnetic resonance (NMR), molecular dynamics (MD) simulations, and molecular docking to investigate the resulting effects on structure and dynamics on the atomic level. We find that variants with increased dynamics at TM5 also exhibit enhanced activity, whereas introduction of a crosslink close to the active site strongly reduces activity. Our study therefore establishes a strong link between the opening dynamics of the lateral gate in rhomboid proteases and their enzymatic activity.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.