Old and new approaches to target the Hsp90 chaperone

J Sanchez, TR Carter, MS Cohen… - Current cancer drug …, 2020 - ingentaconnect.com
The 90-kDa heat shock protein (Hsp90) is a molecular chaperone that ensures cellular
proteostasis by maintaining the folding, stabilization, activation, and degradation of over 400 …

Inhibitors of the Plasmodium falciparum Hsp90 towards Selective Antimalarial Drug Design: The Past, Present and Future

ML Stofberg, C Caillet, M de Villiers, T Zininga - Cells, 2021 - mdpi.com
Malaria is still one of the major killer parasitic diseases in tropical settings, posing a public
health threat. The development of antimalarial drug resistance is reversing the gains made …

Controlling protein function by fine-tuning conformational flexibility

S Schmid, T Hugel - Elife, 2020 - elifesciences.org
In a living cell, protein function is regulated in several ways, including post-translational
modifications (PTMs), protein-protein interaction, or by the global environment (eg crowding …

Hierarchical dynamics in allostery following ATP hydrolysis monitored by single molecule FRET measurements and MD simulations

S Wolf, B Sohmen, B Hellenkamp, J Thurn, G Stock… - Chemical …, 2021 - pubs.rsc.org
We report on a study that combines advanced fluorescence methods with molecular
dynamics (MD) simulations to cover timescales from nanoseconds to milliseconds for a large …

The dynamic triage interplay of Hsp90 with its chaperone cycle and client binding

X Qu, S Wang, S Zhao, C Wan, W Xu… - Nature …, 2024 - nature.com
Hsp90, a crucial molecular chaperone, regulates diverse client proteins, impacting both
normal biology and disease. Central to its function is its conformational plasticity, driven by …

19F-NMR reveals substrate specificity of CYP121A1 in Mycobacterium tuberculosis

CS Campomizzi, GE Ghanatios, DF Estrada - Journal of Biological …, 2021 - ASBMB
Cytochromes P450 are versatile enzymes that function in endobiotic and xenobiotic
metabolism and undergo meaningful structural changes that relate to their function …

Asymmetric Dynamics Drive Catalytic Activation of the Hsp90 Chaperone

B Magnan, XH Chen, S Rashid, A Minard… - The Journal of …, 2024 - ACS Publications
The Hsp90 chaperone is an ATPase enzyme composed of two copies of a three-domain
subunit. Hsp90 stabilizes and activates a diverse array of regulatory proteins. Substrates are …

Nucleotide Binding and Active Site Gate Dynamics for the Hsp90 Chaperone ATPase Domain from Benchtop and High Field 19F NMR Spectroscopy

S Rashid, BL Lee, B Wajda… - The Journal of Physical …, 2020 - ACS Publications
Protein turnover in cells is regulated by the ATP dependent activity of the Hsp90 chaperone.
In concert with accessory proteins, ATP hydrolysis drives the obligate Hsp90 dimer through …

Aha-type co-chaperones: the alpha or the omega of the Hsp90 ATPase cycle?

P LaPointe, R Mercier, A Wolmarans - Biological Chemistry, 2020 - degruyter.com
Abstract Heat shock protein 90 (Hsp90) is a dimeric molecular chaperone that plays an
essential role in cellular homeostasis. It functions in the context of a structurally dynamic ATP …

Simultaneous Ligand and Receptor Tracking through NMR Spectroscopy Enabled by Distinct 19F Labels

JR Simmons, A Murza, MD Lumsden… - International Journal of …, 2019 - mdpi.com
To probe ligand-receptor binding at the atomic-level, a frequent approach involves
multidimensional nuclear magnetic resonance (NMR) spectroscopy experiments relying on …