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- Title
Binding Investigation of Human 5-Lipoxygenase with Its Inhibitors by SPR Technology Correlating with Molecular Docking Simulation.
- Authors
Li Du; Zhenshan Zhang; Xiaomin Luo; Kaixian Chen; Xu Shen; Hualiang Jiang
- Abstract
The binding features of a series of 5-lipoxygenase (5-LOX) inhibitors (caffeic acid, NDGA, AA-861, CDC, esculetin, gossypol and phenidone) to human 5-LOX have been studied by using surface plasmon resonance biosensor (SPR) technology based Biacore 3000 and molecular docking simulation analyses. The SPR results showed that the equilibrium dissociation constant (KD) values evaluated by Biacore 3000 for the inhibitors showed a good correlation with its reported IC50, suggesting that SPR technology might be applicable as a direct assay method in screening new 5-LOX inhibitors at an early stage. In addition, the 3D structural model of 5-LOX was generated according to the crystal structure of rabbit reticulocyte 15-lipoxygenase, and the molecular docking simulation analyses revealed that the predicted binding free energies for the inhibitors correlated well with the KD values measured by SPR assay, which implies the correctness of the constructed 3D structural model of 5-LOX. This current work has potential for application in structure-based 5-LOX inhibitor discovery.
- Subjects
PROTEIN binding; LIPOXYGENASES; CHEMICAL inhibitors; SURFACE plasmon resonance; BIOSENSORS
- Publication
Journal of Biochemistry, 2006, Vol 139, Issue 4, p715
- ISSN
0021-924X
- Publication type
Article
- DOI
10.1093/jb/mvj084