Using Fragment Cocktail Crystallography To Assist Inhibitor Design of Trypanosoma brucei Nucleoside 2-Deoxyribosyltransferase

The 1.8 Å resolution de novo structure of nucleoside 2-deoxyribosyltransferase (EC 2.4.2.6) from Trypanosoma brucei (TbNDRT) has been determined by SAD a phasing in an unliganded state and several ligand-bound states. This enzyme is important in the salvage pathway of nucleoside recycling. To identi...

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Veröffentlicht in:Journal of medicinal chemistry 2006-10, Vol.49 (20), p.5939-5946
Hauptverfasser: Bosch, Jürgen, Robien, Mark A, Mehlin, Christopher, Boni, Erica, Riechers, Aaron, Buckner, Frederick S, Van Voorhis, Wesley C, Myler, Peter J, Worthey, Elizabeth A, DeTitta, George, Luft, Joseph R, Lauricella, Angela, Gulde, Stacey, Anderson, Lori A, Kalyuzhniy, Oleksandr, Neely, Helen M, Ross, Jenni, Earnest, Thomas N, Soltis, Michael, Schoenfeld, Lori, Zucker, Frank, Merritt, Ethan A, Fan, Erkang, Verlinde, Christophe L. M. J, Hol, Wim G. J
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container_end_page 5946
container_issue 20
container_start_page 5939
container_title Journal of medicinal chemistry
container_volume 49
creator Bosch, Jürgen
Robien, Mark A
Mehlin, Christopher
Boni, Erica
Riechers, Aaron
Buckner, Frederick S
Van Voorhis, Wesley C
Myler, Peter J
Worthey, Elizabeth A
DeTitta, George
Luft, Joseph R
Lauricella, Angela
Gulde, Stacey
Anderson, Lori A
Kalyuzhniy, Oleksandr
Neely, Helen M
Ross, Jenni
Earnest, Thomas N
Soltis, Michael
Schoenfeld, Lori
Zucker, Frank
Merritt, Ethan A
Fan, Erkang
Verlinde, Christophe L. M. J
Hol, Wim G. J
description The 1.8 Å resolution de novo structure of nucleoside 2-deoxyribosyltransferase (EC 2.4.2.6) from Trypanosoma brucei (TbNDRT) has been determined by SAD a phasing in an unliganded state and several ligand-bound states. This enzyme is important in the salvage pathway of nucleoside recycling. To identify novel lead compounds, we exploited “fragment cocktail soaks”. Out of 304 compounds tried in 31 cocktails, four compounds could be identified crystallographically in the active site. In addition, we demonstrated that very short soaks of ∼10 s are sufficient even for rather hydrophobic ligands to bind in the active site groove, which is promising for the application of similar soaking experiments to less robust crystals of other proteins.
doi_str_mv 10.1021/jm060429m
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M. J</creatorcontrib><creatorcontrib>Hol, Wim G. J</creatorcontrib><title>Using Fragment Cocktail Crystallography To Assist Inhibitor Design of Trypanosoma brucei Nucleoside 2-Deoxyribosyltransferase</title><title>Journal of medicinal chemistry</title><addtitle>J. Med. Chem</addtitle><description>The 1.8 Å resolution de novo structure of nucleoside 2-deoxyribosyltransferase (EC 2.4.2.6) from Trypanosoma brucei (TbNDRT) has been determined by SAD a phasing in an unliganded state and several ligand-bound states. This enzyme is important in the salvage pathway of nucleoside recycling. To identify novel lead compounds, we exploited “fragment cocktail soaks”. Out of 304 compounds tried in 31 cocktails, four compounds could be identified crystallographically in the active site. 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subjects Amino Acid Sequence
Animals
Benzyl Alcohols - chemistry
Benzyl Alcohols - pharmacology
Binding Sites
Biological and medical sciences
Crystallography, X-Ray
Indoles - chemistry
Indoles - pharmacology
Isoquinolines - chemistry
Isoquinolines - pharmacology
Ligands
Medical sciences
Miscellaneous
Models, Molecular
Molecular Sequence Data
Molecular Structure
Pentosyltransferases - antagonists & inhibitors
Pentosyltransferases - chemistry
Pharmacology. Drug treatments
Quinolines - chemistry
Quinolines - pharmacology
Structure-Activity Relationship
Trypanocidal Agents - chemistry
Trypanocidal Agents - pharmacology
Trypanosoma brucei brucei - drug effects
Trypanosoma brucei brucei - enzymology
title Using Fragment Cocktail Crystallography To Assist Inhibitor Design of Trypanosoma brucei Nucleoside 2-Deoxyribosyltransferase
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