Article (Scientific journals)
Structural Studies on the Inhibitory Binding Mode of Aromatic Coumarinic Esters to Human Kallikrein-Related Peptidase 7.
Hanke, Stefanie; Tindall, Catherine A; Pippel, Jan et al.
2020In Journal of Medicinal Chemistry, 63 (11), p. 5723-5733
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Keywords :
Coumarins; Esters; Protease Inhibitors; Recombinant Proteins; coumarin; KLK7 protein, human; Kallikreins; Binding Sites; Catalytic Domain; Coumarins/chemistry; Coumarins/metabolism; Crystallography, X-Ray; Esters/chemistry; Humans; Kallikreins/antagonists & inhibitors; Kallikreins/genetics; Kallikreins/metabolism; Molecular Dynamics Simulation; Protease Inhibitors/chemistry; Protease Inhibitors/metabolism; Recombinant Proteins/biosynthesis; Recombinant Proteins/chemistry; Recombinant Proteins/isolation & purification; Tandem Mass Spectrometry; Molecular Medicine; Drug Discovery
Abstract :
[en] The serine protease kallikrein-related peptidase 7 (KLK7) is a member of the human tissue kallikreins. Its dysregulation leads to pathophysiological inflammatory processes in the skin. Furthermore, it plays a role in several types of cancer. For the treatment of KLK7-associated diseases, coumarinic esters have been developed as small-molecule enzyme inhibitors. To characterize the inhibition mode of these inhibitors, we analyzed structures of the inhibited protease by X-ray crystallography. Electron density shows the inhibitors covalently attached to His57 of the catalytic triad. This confirms the irreversible character of the inhibition process. Upon inhibitor binding, His57 undergoes an outward rotation; thus, the catalytic triad of the protease is disrupted. Besides, the halophenyl moiety of the inhibitor was absent in the final enzyme-inhibitor complex due to the hydrolysis of the ester linkage. With these results, we analyze the structural basis of KLK7 inhibition by the covalent attachment of aromatic coumarinic esters.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Hanke, Stefanie;  Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
Tindall, Catherine A;  Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Brüderstrasse 34, 04103 Leipzig, Germany
Pippel, Jan;  Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
Ulbricht, David;  Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Brüderstrasse 34, 04103 Leipzig, Germany
Pirotte, Bernard ;  Université de Liège - ULiège > Unités de recherche interfacultaires > Centre Interdisciplinaire de Recherche sur le Médicament (CIRM)
Reboud-Ravaux, Michèle;  Institut de Biologie Paris Seine (IBPS), Sorbonne Université, CNRS, INSERM, Adaptation biologique et Vieillissement, 7 quai Saint Bernard, 75252 Paris Cedex 05, France
Heiker, John T;  Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Brüderstrasse 34, 04103 Leipzig, Germany ; IFB Adiposity Diseases, Leipzig University, Liebigstr. 19, 04103 Leipzig, Germany ; Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at Leipzig University and University Hospital Leipzig, Philipp-Rosenthal-Str. 27, 04103 Leipzig, Germany
Sträter, Norbert ;  Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
Language :
English
Title :
Structural Studies on the Inhibitory Binding Mode of Aromatic Coumarinic Esters to Human Kallikrein-Related Peptidase 7.
Publication date :
2020
Journal title :
Journal of Medicinal Chemistry
ISSN :
0022-2623
eISSN :
1520-4804
Publisher :
American Chemical Society, United States
Volume :
63
Issue :
11
Pages :
5723-5733
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
DFG - Deutsche Forschungsgemeinschaft [DE]
Available on ORBi :
since 22 June 2022

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