J Wouters

Summary

Affiliation: University of Namur
Country: Belgium

Publications

  1. pmc Phenyl 2,3,4-tri-O-benzyl-1-thio-α-d-mannopyran-oside monohydrate
    Maxime Durka
    Department of Chemistry, University of Namur, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr Sect E Struct Rep Online 66:o1525. 2010
  2. pmc endo-3,3-Dimethyl-4-oxobicyclo-[3.1.0]hexan-2-yl methane-sulfonate
    Adrian Kremer
    Department of Chemistry, University of Namur, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr E Struct Rep Online 66:o948. 2010
  3. pmc Structural analysis of Brucella abortus RicA substitutions that do not impair interaction with human Rab2 GTPase
    Bernard Nkengfac
    Molecular Biology Research Unit URBM, Narilis, University of Namur, 61 Rue Bruxelles, Namur, B 5000, Belgium
    BMC Biochem 13:16. 2012
  4. pmc Protecting role of cosolvents in protein denaturation by SDS: a structural study
    Catherine Michaux
    Chemistry Department, CBS lab, CPTS group, 61 rue de Bruxelles, B 5000 Namur, Belgium
    BMC Struct Biol 8:29. 2008
  5. pmc Overproduced Brucella abortus PdhS-mCherry forms soluble aggregates in Escherichia coli, partially associating with mobile foci of IbpA-YFP
    Charles Van der Henst
    Molecular Biology Research Unit URBM, University of Namur FUNDP, 61 rue de Bruxelles, 5000 Namur, Belgium
    BMC Microbiol 10:248. 2010
  6. doi request reprint Bis-tetrahydroisoquinoline derivatives: structure analysis of the three stereoisomers of 1,1'-(propane-1,3-diyl)-bis-(6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline)
    Johan Wouters
    Department of Chemistry, University of Namur, rue de Bruxelles, 61, B 5000 Namur, Belgium
    Eur J Med Chem 45:3240-4. 2010
  7. ncbi request reprint Crystallographic analysis of family 11 endo-beta-1,4-xylanase Xyl1 from Streptomyces sp. S38
    J Wouters
    Unité de Recherche en Biologie Moléculaire, Facultes Universitaires Notre Dame de la Paix, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr D Biol Crystallogr 57:1813-9. 2001
  8. ncbi request reprint Small molecule crystallography in drug design
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Chimie Moleculaire Structurale, Namur, Belgium
    Curr Pharm Des 7:529-45. 2001
  9. ncbi request reprint Expression, purification, crystallization and preliminary X-ray analysis of the native class C beta-lactamase from Enterobacter cloacae 908R and two mutants
    J Wouters
    Laboratoire de Chimie Moleculaire Structurale, Facultes Universitaires Notre Dame de la Paix, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr D Biol Crystallogr 57:162-4. 2001
  10. ncbi request reprint First partial three-dimensional model of human monoamine oxidase A
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Proteins 32:97-110. 1998

Collaborators

Detail Information

Publications41

  1. pmc Phenyl 2,3,4-tri-O-benzyl-1-thio-α-d-mannopyran-oside monohydrate
    Maxime Durka
    Department of Chemistry, University of Namur, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr Sect E Struct Rep Online 66:o1525. 2010
    ..At the same time, the OH group of the sugar makes a hydrogen bond to a water mol-ecule...
  2. pmc endo-3,3-Dimethyl-4-oxobicyclo-[3.1.0]hexan-2-yl methane-sulfonate
    Adrian Kremer
    Department of Chemistry, University of Namur, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr E Struct Rep Online 66:o948. 2010
    ..The crystal packing results in alternating layers of polar methane-sulfonates and stacked bicyclo-hexa-nyl rings parallel to ab...
  3. pmc Structural analysis of Brucella abortus RicA substitutions that do not impair interaction with human Rab2 GTPase
    Bernard Nkengfac
    Molecular Biology Research Unit URBM, Narilis, University of Namur, 61 Rue Bruxelles, Namur, B 5000, Belgium
    BMC Biochem 13:16. 2012
    ..An effector named RicA was recently reported in Brucella abortus to specifically interact with human Rab2 and to affect intracellular trafficking of this pathogen...
  4. pmc Protecting role of cosolvents in protein denaturation by SDS: a structural study
    Catherine Michaux
    Chemistry Department, CBS lab, CPTS group, 61 rue de Bruxelles, B 5000 Namur, Belgium
    BMC Struct Biol 8:29. 2008
    ..Although the persistence of the protein activity in the SDS/MPD mixture was clearly established, preservation of their structure was only speculative until now...
  5. pmc Overproduced Brucella abortus PdhS-mCherry forms soluble aggregates in Escherichia coli, partially associating with mobile foci of IbpA-YFP
    Charles Van der Henst
    Molecular Biology Research Unit URBM, University of Namur FUNDP, 61 rue de Bruxelles, 5000 Namur, Belgium
    BMC Microbiol 10:248. 2010
    ..These structures are associated with chaperones like IbpA. However, there are reported cases of "non-classical" inclusion bodies in which proteins are soluble, folded and active...
  6. doi request reprint Bis-tetrahydroisoquinoline derivatives: structure analysis of the three stereoisomers of 1,1'-(propane-1,3-diyl)-bis-(6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline)
    Johan Wouters
    Department of Chemistry, University of Namur, rue de Bruxelles, 61, B 5000 Namur, Belgium
    Eur J Med Chem 45:3240-4. 2010
    ....
  7. ncbi request reprint Crystallographic analysis of family 11 endo-beta-1,4-xylanase Xyl1 from Streptomyces sp. S38
    J Wouters
    Unité de Recherche en Biologie Moléculaire, Facultes Universitaires Notre Dame de la Paix, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr D Biol Crystallogr 57:1813-9. 2001
    ..5% (R(free) = 26.9%). Xyl1 has the overall fold characteristic of family 11 xylanases, with two highly twisted beta-sheets defining a long cleft containing the two catalytic residues Glu87 and Glu177...
  8. ncbi request reprint Small molecule crystallography in drug design
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Chimie Moleculaire Structurale, Namur, Belgium
    Curr Pharm Des 7:529-45. 2001
    ..Future development in small molecule crystallography (e.g. powder diffraction) should also provide original solutions to complex problems related to polymorphism...
  9. ncbi request reprint Expression, purification, crystallization and preliminary X-ray analysis of the native class C beta-lactamase from Enterobacter cloacae 908R and two mutants
    J Wouters
    Laboratoire de Chimie Moleculaire Structurale, Facultes Universitaires Notre Dame de la Paix, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr D Biol Crystallogr 57:162-4. 2001
    ..Co-crystallization experiments of poor substrates with the wild-type protein and the active-site serine mutant (S64C) are planned and should lead to a better understanding of the catalytic mechanism of class C beta-lactamases...
  10. ncbi request reprint First partial three-dimensional model of human monoamine oxidase A
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Proteins 32:97-110. 1998
    ..This first step towards the 3D structure of monoamine oxidase should contribute to a better understanding of the mechanisms of action and inhibition of this drug target in the treatment of clinical depression...
  11. ncbi request reprint Structure determination and comparison of BM567, a sulfonylurea, with terbogrel, two compounds with dual action, thromboxane receptor antagonism and thromboxane synthase inhibition
    C Michaux
    Lab Chimie Moleculaire Structurale, Facultes Universitaires N D de la Paix, Namur, Belgium
    Bioorg Med Chem Lett 11:1019-22. 2001
    ..In this paper, their crystallographic and electronic structures are compared and lead to new synthesis prospects among the sulfonylurea series...
  12. ncbi request reprint Terbogrel, a dual-acting agent for thromboxane receptor antagonism and thromboxane synthase inhibition
    C Michaux
    Laboratoire de Chimie Moleculaire Structurale, Facultes Universitaires Notre Dame de la Paix, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr C 56:1265-6. 2000
    ..A structural feature characteristic of the thromboxane A(2) synthase inhibitor mode is observed: a distance of 8.4257 (19) A between the pyridine N atom and the carboxyl group...
  13. ncbi request reprint Molecular lipophilicity potential by CLIP, a reliable tool for the description of the 3D distribution of lipophilicity: application to 3-phenyloxazolidin-2-one, a prototype series of reversible MAOA inhibitors
    F Ooms
    Laboratoire de Chimie Moleculaire Structurale, Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Bioorg Med Chem Lett 8:1425-30. 1998
    ..We demonstrate that this Molecular Lipophilicity Potential (MLP) approach is a valuable tool to estimate log Pcalc of such compounds...
  14. ncbi request reprint A reversible monoamine oxidase A inhibitor, befloxatone: structural approach of its mechanism of action
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Bioorg Med Chem 7:1683-93. 1999
    ..This model is partially corroborated by experimental evidence and should be helpful in designing new potent inhibitors of monoamine oxidase...
  15. ncbi request reprint Antagonism of the TXA2 receptor by seratrodast: a structural approach
    J Wouters
    Dept of Chemistry, Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Bioorg Med Chem Lett 9:2867-70. 1999
    ..This structural approach provides rational basis for the design of new antagonists within the aryl sulfonamide family...
  16. ncbi request reprint Design, synthesis, and anticonvulsant activity of 1-(pyrid-3-ylsulfonamido)-2-nitroethylenes
    B Masereel
    Department of Pharmacy and Laboratory of Molecular Structures, University of Namur, FUNDP, 61, rue de Bruxelles, 5000 Namur, Belgium
    J Med Chem 41:3239-44. 1998
    ..2 mg/kg). Crystallographic study revealed that BM-401 (17) was a zwitterionic structure. Its sulfonamido nitroethylene side chain adopted a conformation which placed the two cycloalkyl rings face to face to form a single hydrophobic area...
  17. ncbi request reprint Topology prediction of Brucella abortus Omp2b and Omp2a porins after critical assessment of transmembrane beta strands prediction by several secondary structure prediction methods
    J Y Paquet
    Unité de Recherche en Biologie Moléculaire, Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    J Biomol Struct Dyn 17:747-57. 2000
    ..Experiments are in progress to validate the proposed topology and the functional hypotheses. The ability of the proposed consensus method to predict topology of complex outer membrane protein is briefly discussed...
  18. ncbi request reprint Structural aspects of monoamine oxidase and its reversible inhibition
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Laboratoire de Chimie Moleculaire Structurale, 61, rue de Bruxelles, B 5000 Namur, Belgium
    Curr Med Chem 5:137-62. 1998
    ..Recent efforts to design and develop those inhibitors are emphasized and discussed...
  19. pmc Cation-pi (Na+-Trp) interactions in the crystal structure of tetragonal lysozyme
    J Wouters
    Facultes Universitaires N D de la Paix, Namur, Belgium
    Protein Sci 7:2472-5. 1998
    ..It shows that the metal ion-pi interaction within proteins is not significantly different from similar bindings found in small molecules and that it can be modeled by theoretical methods...
  20. doi request reprint Synthesis and inhibition study of monoamine oxidase, indoleamine 2,3-dioxygenase and tryptophan 2,3-dioxygenase by 3,8-substituted 5H-indeno[1,2-c]pyridazin-5-one derivatives
    J Reniers
    Drug Design and Discovery Center, Laboratoire de Chimie Biologique Structurale, Member of NARILIS, Facultés Universitaires Notre Dame de Paix, Namur, Belgium
    Eur J Med Chem 46:6104-11. 2011
    ....
  21. doi request reprint Synthesis and evaluation of β-carboline derivatives as potential monoamine oxidase inhibitors
    J Reniers
    Drug Design and Discovery Center, Laboratoire de Chimie Biologique Structurale, Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Bioorg Med Chem 19:134-44. 2011
    ..6nM. This cyclohexyl bearing analogue is also a potent MAO-A inhibitor with a K(i) value of 4.3nM. Molecular docking studies show that the cyclohexyl chain also occupies a hydrophobic pocket but in different ways in MAO-A or MAO-B...
  22. ncbi request reprint Molecular interaction between reversible MAO-A inhibitors and the enzyme. Application to aryloxazolidinone, a prototype series
    F Ooms
    Facultes Universitaires Notre Dame de la Paix, Chimie Moleculaire Structurale, Namur, Belgium
    Neurobiology (Bp) 8:81-98. 2000
    ....
  23. ncbi request reprint 5-Substituted pyrimidine 1,5-anhydrohexitols: conformational analysis and interaction with viral thymidine kinase
    J Wouters
    Facultes Universitaires Notre Dame de la Paix, Namur Belgium
    Bioorg Med Chem Lett 9:1563-6. 1999
    ..The conformational change induced by the enzyme has been investigated...
  24. ncbi request reprint Coumarinic derivatives as mechanism-based inhibitors of alpha-chymotrypsin and human leukocyte elastase
    L Pochet
    Department of Pharmacy, University of Namur, FUNDP, Belgium
    Bioorg Med Chem 8:1489-501. 2000
    ..From this calculation, it appears that differences in the inhibitory potency expressed by these molecules cannot only be explained by differences in the reactivity of the lactonic carbonyl group toward the nucleophilic attack...
  25. ncbi request reprint Structure-based drug design targeting biosynthesis of isoprenoids: a crystallographic state of the art of the involved enzymes
    J De Ruyck
    Laboratoire de Chimie Biologique Structurale, FUNDP University of Namur, Namur, Belgium
    Curr Protein Pept Sci 9:117-137. 2008
    ..The present crystallographic review of enzymes involved in isoprenoid biosynthesis will be useful for understanding the various catalytic mechanisms and could potentially help for structure-based drug design...
  26. ncbi request reprint Identification of a potential metal cation-pi binding site in the structure of a thermophilic Bacillus stearothermophilus triosephosphate isomerase mutant
    J Wouters
    Unité de Recherche en Biologie Moléculaire, Facultes Universitaires Notre Dame de la Paix, 61 rue de Bruxelles, B 5000 Namur, Belgium
    Acta Crystallogr D Biol Crystallogr 56:1201-3. 2000
    ..The sodium cation lies in a position that is occupied by CE and NZ of Lys13 in the wild-type structure...
  27. ncbi request reprint Structure and function prediction of the Brucella abortus P39 protein by comparative modeling with marginal sequence similarities
    K de Fays
    Unité de Recherche en Biologie Moléculaire, Facultes Universitaires Notre Dame de la Paix, Namur, Belgium
    Protein Eng 12:217-23. 1999
    ..Knowing the genetic context of the P39 reading frame, we are now able to suggest a function for the P39 protein: it would act as a periplasmic substrate-binding protein...
  28. ncbi request reprint Design, synthesis and biological evaluation of a sulfonylcyanoguanidine as thromboxane A2 receptor antagonist and thromboxane synthase inhibitor
    J M Dogne
    Department of Pharmacy, University of Namur, Belgium
    J Pharm Pharmacol 53:669-80. 2001
    ..The pKa value and the crystallographic data of 14 were determined and used to propose an interaction model between the TXA2 antagonists related to torasemide and their receptor...
  29. ncbi request reprint Polymorphism of N-stearoylethanolamine: differential scanning calorimetric, vibrational spectroscopic (FTIR), and crystallographic studies
    J Wouters
    Faculte des Sciences, Facultes Universitaires Notre Dame de la Paix, rue de Bruxelles, 61, 5000 Namur, Belgium
    Chem Phys Lipids 119:13-21. 2002
    ..Rationalization of the thermal physicochemical behavior of NSEA in terms of molecular packing is also proposed. It supposes rearrangement of the hydrocarbon chains upon heating of the molecule...
  30. ncbi request reprint Crystal structure of the C67A mutant of isopentenyl diphosphate isomerase complexed with a mechanism-based irreversible inhibitor
    J Wouters
    Institut de Recherches Microbiologiques J M Wiame, Bruxelles, Belgium
    Proteins 54:216-21. 2004
    ..In particular, the results are consistent with a mechanism where Glu116 is involved in the protonation step and Cys67 in the elimination step...
  31. ncbi request reprint Crystallography of membrane proteins, major targets in drug design
    J Wouters
    Institut de Recherches Microbiologiques JM Wiame, 1 av E Gryson, B 1070 Brussels, Belgium
    Mini Rev Med Chem 3:439-48. 2003
    ..Recent structural data obtained for cyclooxygenases, monoamine oxidase, squalene cyclase, rhodopsine, porins, aquaporins, and ABC transporters are presented and briefly discussed...
  32. pmc Analysis of the role of OpuC, an osmolyte transport system, in salt tolerance and virulence potential of Listeria monocytogenes
    R D Sleator
    Department of Microbiology and National Food Biotechnology Centre, University College, Cork, Ireland
    Appl Environ Microbiol 67:2692-8. 2001
    ..Altering OpuC resulted in a significant reduction in the ability of Listeria to colonize the upper small intestine and cause subsequent systemic infection following peroral inoculation...
  33. ncbi request reprint Synthesis and anticonvulsant activity of N,N-phthaloyl derivatives of central nervous system inhibitory amino acids
    C O Usifoh
    Department of Pharmaceutical Chemistry, University of Jena, Philosophenweg 14, 07743 Jena, Germany
    Arch Pharm (Weinheim) 334:323-31. 2001
    ..1 mg/kg. On a molar basis this activity is comparable to the activity of phenytoin with little toxicity in the rotorod test. In conclusion, N,N-phthaloyl-glycine amides might represent promising antiepileptic drugs...
  34. ncbi request reprint Substrate binding and catalytic mechanism of class B beta-lactamases: a molecular modelling study
    C Prosperi-Meys
    , Institut de Physique, , Sart-Tilman, Belgium
    Cell Mol Life Sci 58:2136-43. 2001
    ..The role of Zn2 and the flexibility in the coordination geometry of both Zn ions is of crucial importance for catalysis...
  35. ncbi request reprint Catalytic mechanism of Escherichia coli isopentenyl diphosphate isomerase involves Cys-67, Glu-116, and Tyr-104 as suggested by crystal structures of complexes with transition state analogues and irreversible inhibitors
    J Wouters
    Institut de Recherches Microbiologiques J M Wiame, 1 av E Gryzon 1070 Bruxelles, Belgium
    J Biol Chem 278:11903-8. 2003
    ..This work provides a new perspective about the mechanism of the reaction...
  36. ncbi request reprint Lys13 plays a crucial role in the functional adaptation of the thermophilic triose-phosphate isomerase from Bacillus stearothermophilus to high temperatures
    M Alvarez
    Laboratoire de Biologie Moléculaire et de Génie Génétique, Universite de Liege, B6, Sart Tilman, B4000 Liege, Belgium
    J Biol Chem 274:19181-7. 1999
    ..This suggests that Lys13 in bTIM plays a crucial role in the functional adaptation of this enzyme to high temperature. Analysis of bTIM single mutants supports this assumption...
  37. ncbi request reprint A MBP-FAAH fusion protein as a tool to produce human and rat fatty acid amide hydrolase: expression and pharmacological comparison
    G Labar
    Unite de Chimie pharmaceutique et de Radiopharmacie, Ecole de Pharmacie, Faculte de Medecine, Universite Catholique de Louvain, Bruxelles, Belgium
    Amino Acids 34:127-33. 2008
    ..Several known FAAH inhibitors were tested and differences in their potencies toward the human and rat FAAH were found, underscoring the importance of using a human FAAH in the development of inhibitors...
  38. ncbi request reprint Differential scanning calorimetry in life science: thermodynamics, stability, molecular recognition and application in drug design
    G Bruylants
    Molecular and Biomolecular Engineering, Universite Libre de Bruxelles, Belgium
    Curr Med Chem 12:2011-20. 2005
    ..DSC is much used for the study of the stability and the folding of biomolecules, but it can also be applied in order to understand biomolecular interactions and can thus be an interesting technique in the process of drug design...
  39. ncbi request reprint Crystal structure of Enterobacter cloacae 908R class C beta-lactamase bound to iodo-acetamido-phenyl boronic acid, a transition-state analogue
    J Wouters
    Institut de Recherche Microbiologiques JM Wiame, Brussels, Belgium
    Cell Mol Life Sci 60:1764-73. 2003
    ..This structure of 908R class C beta-lactamase in complex with a transition-state analogue provides further insights into the mechanism of action of these hydrolases...