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- Title
A Combination of Spin Diffusion Methods for the Determination of Protein-Ligand Complex Structural Ensembles.
- Authors
Pilger, Jens; Mazur, Adam; Monecke, Peter; Schreuder, Herman; Elshorst, Bettina; Bartoschek, Stefan; Langer, Thomas; Schiffer, Alexander; Krimm, Isabelle; Wegstroth, Melanie; Lee, Donghan; Hessler, Gerhard; Wendt, K.-Ulrich; Becker, Stefan; Griesinger, Christian
- Abstract
Structure-based drug design (SBDD) is a powerful and widely used approach to optimize affinity of drug candidates. With the recently introduced INPHARMA method, the binding mode of small molecules to their protein target can be characterized even if no spectroscopic information about the protein is known. Here, we show that the combination of the spin-diffusion-based NMR methods INPHARMA, trNOE, and STD results in an accurate scoring function for docking modes and therefore determination of protein-ligand complex structures. Applications are shown on the model system protein kinase A and the drug targets glycogen phosphorylase and soluble epoxide hydrolase (sEH). Multiplexing of several ligands improves the reliability of the scoring function further. The new score allows in the case of sEH detecting two binding modes of the ligand in its binding site, which was corroborated by X-ray analysis.
- Subjects
DRUG design; SPECTROSCOPIC imaging; NUCLEAR spin; LIGANDS (Chemistry); PROTEIN kinases
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 22, p6611
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201500671