Drug resistance mechanisms of three mutations V32I, I47V and V82I in HIV-1 protease toward inhibitors probed by molecular dynamics simulations and binding free …

J Chen - RSC advances, 2016 - pubs.rsc.org
Drug resistance of mutations in HIV-1 protease (PR) badly reduce the efficiency of the
current inhibitors in clinical treatments of AIDS. In this work, molecular dynamics (MD) …

Adaptability and flexibility of HIV‐1 protease

M Kumar, MV Hosur - European journal of biochemistry, 2003 - Wiley Online Library
Even though more than 200 three‐dimensional structures of HIV‐1 protease complexed to a
variety of inhibitors are available in the Protein Data Bank; very few structures of unliganded …

An allosteric modulator of HIV-1 protease shows equipotent inhibition of wild-type and drug-resistant proteases

PMU Ung, JB Dunbar Jr, JE Gestwicki… - Journal of medicinal …, 2014 - ACS Publications
NMR and MD simulations have demonstrated that the flaps of HIV-1 protease (HIV-1p) adopt
a range of conformations that are coupled with its enzymatic activity. Previously, a model …

Insights into the dynamics of HIV-1 protease: a kinetic network model constructed from atomistic simulations

N Deng, W Zheng, E Gallicchio… - Journal of the American …, 2011 - ACS Publications
The conformational dynamics in the flaps of HIV-1 protease plays a crucial role in the
mechanism of substrate binding. We develop a kinetic network model, constructed from …

Kinetic, stability, and structural changes in high-resolution crystal structures of HIV-1 protease with drug-resistant mutations L24I, I50V, and G73S

F Liu, PI Boross, YF Wang, J Tozser, JM Louis… - Journal of molecular …, 2005 - Elsevier
The crystal structures, dimer stabilities, and kinetics have been analyzed for wild-type
human immunodeficiency virus type 1 (HIV-1) protease (PR) and resistant mutants PRL24I …

Computational study of protein specificity: the molecular basis of HIV-1 protease drug resistance

W Wang, PA Kollman - … of the National Academy of Sciences, 2001 - National Acad Sciences
Drug resistance has sharply limited the effectiveness of HIV-1 protease inhibitors in AIDS
therapy. It is critically important to understand the basis of this resistance for designing new …

A cooperative folding unit in HIV-1 protease. Implications for protein stability and occurrence of drug-induced mutations.

A Wallqvist, GW Smythers, DG Covell - Protein engineering, 1998 - academic.oup.com
We investigated the HIV-1 protease molecule for the occurrence of cooperative folding units,
ie structural units that exhibit a relatively stronger protection against unfolding than do other …

Structure-based thermodynamic analysis of HIV-1 protease inhibitors

JS Bardi, I Luque, E Freire - Biochemistry, 1997 - ACS Publications
A structural parametrization of the binding and folding energetics previously developed in
this laboratory accounts quantitatively for the binding of 13 HIV-1 protease inhibitors for …

Insights into amprenavir resistance in E35D HIV-1 protease mutation from molecular dynamics and binding free-energy calculations

H Meiselbach, AHC Horn, T Harrer, H Sticht - Journal of Molecular …, 2007 - Springer
Drug resistance is a very important factor contributing to the failure of current HIV therapies.
The ability to understand the resistance mechanism of HIV-protease mutants may be useful …

Dynamic flaps in HIV‐1 protease adopt unique ordering at different stages in the catalytic cycle

S Karthik, S Senapati - Proteins: Structure, Function, and …, 2011 - Wiley Online Library
The flexibility of HIV‐1 protease flaps is known to be essential for the enzymatic activity.
Here we attempt to capture a multitude of conformations of the free and substrate‐bound HIV …