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- Publications
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Characterization of protein-protein interactions by isothermal titration calorimetry.
- A. Velázquez-Campoy, Stephanie A. Leavitt, E. Freire
- Chemistry, Medicine
- Methods in molecular biology
- 2004
Isothermal titration calorimetry (ITC) is a powerful technique to study both protein-ligand and protein-protein interactions. This methods chapter is devoted to describing protein-protein… Expand
Isothermal Titration Calorimetry
- A. Velázquez-Campoy, Hiroyasu Ohtaka, A. Nezami, S. Muzammil, E. Freire
- Chemistry, Medicine
- Current protocols in cell biology
- 1 June 2004
In the last two decades, isothermal titration calorimetry (ITC) has become the preferred technique to determine the binding energetics of biological processes, including protein‐ligand binding,… Expand
Catalytic efficiency and vitality of HIV-1 proteases from African viral subtypes
- A. Velázquez-Campoy, M. Todd, S. Vega, E. Freire
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 15 May 2001
The vast majority of HIV-1 infections in Africa are caused by the A and C viral subtypes rather than the B subtype prevalent in the United States and Western Europe. Genomic differences between… Expand
The binding energetics of first- and second-generation HIV-1 protease inhibitors: implications for drug design.
- A. Velázquez-Campoy, Y. Kiso, E. Freire
- Chemistry, Medicine
- Archives of biochemistry and biophysics
- 15 June 2001
KNI-764 is a powerful HIV-1 protease inhibitor with a reported low susceptibility to the effects of protease mutations commonly associated with drug resistance. In this paper the binding… Expand
HIV-1 protease inhibitors: enthalpic versus entropic optimization of the binding affinity.
- A. Velázquez-Campoy, M. Todd, E. Freire
- Chemistry, Medicine
- Biochemistry
- 7 March 2000
Existing experimental as well as computational screening methods select potential ligands or drug candidates on the basis of binding affinity. Since the binding affinity is a function of the enthalpy… Expand
Overcoming drug resistance in HIV‐1 chemotherapy: The binding thermodynamics of Amprenavir and TMC‐126 to wild‐type and drug‐resistant mutants of the HIV‐1 protease
- Hiroyasu Ohtaka, A. Velázquez-Campoy, D. Xie, E. Freire
- Chemistry, Medicine
- Protein science : a publication of the Protein…
- 1 August 2002
Amprenavir is one of six protease inhibitors presently approved for clinical use in the therapeutic treatment of AIDS. Biochemical and clinical studies have shown that, unlike other inhibitors,… Expand
Amplification of the effects of drug resistance mutations by background polymorphisms in HIV-1 protease from African subtypes.
- A. Velázquez-Campoy, S. Vega, E. Freire
- Biology, Medicine
- Biochemistry
- 9 July 2002
The vast majority of HIV-1 infections worldwide are caused by the C and A viral subtypes rather than the B subtype prevalent in the United States and Western Europe. Genomic differences between… Expand
Thermodynamic basis of resistance to HIV-1 protease inhibition: calorimetric analysis of the V82F/I84V active site resistant mutant.
- M. Todd, I. Luque, A. Velázquez-Campoy, E. Freire
- Chemistry, Medicine
- Biochemistry
- 31 August 2000
One of the most serious side effects associated with the therapy of HIV-1 infection is the appearance of viral strains that exhibit resistance to protease inhibitors. The active site mutant V82F/I84V… Expand
Structural characterization of myotoxic ecarpholin S from Echis carinatus venom.
- X. Zhou, Tien-Chye Tan, +4 authors J. Sivaraman
- Biology, Medicine
- Biophysical journal
- 1 October 2008
Phospholipase A(2) (PLA(2)), a common toxic component of snake venom, has been implicated in various pharmacological effects. Ecarpholin S, isolated from the venom of the snake Echis carinatus… Expand
Protease inhibition in African subtypes of HIV-1.
- A. Velázquez-Campoy, S. Vega, +4 authors E. Freire
- Biology, Medicine
- AIDS reviews
- 1 July 2003
Of the 42 million people infected with HIV-1 worldwide, 30 million are in Africa. However, the HIV-1 subtypes prevalent in Africa are not the same that are prevalent in North America and Western… Expand