Spectroscopic analyses of the binding kinetics of 15d-PGJ2 to the PPARgamma ligand-binding domain by multi-wavelength global fitting.

Abstract excerpt

PPARgamma (peroxisome proliferator-activated receptor gamma) is a nuclear receptor that is activated by natural lipid metabolites, including 15d-PGJ2 (15-deoxy-Delta(12,14)-prostaglandin J2). We previously reported that several oxidized lipid metabolites covalently bind to PPARgamma through a Michael-addition to activate transcription. To separate the ligand-entering (dock) and covalent-binding (lock) steps in...

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