7-deazaxanthine Binding Sites 1 Enzyme Inhibitors 1 Escherichia coli 1 Escherichia coli Proteins 1 Escherichia coli protein 1 Humans 1 IC50 1 Inhibitory Concentration 50 1 Isoquinolines 1 Magnetic Resonance Spectroscopy 1 Molecular Docking Simulation 1 Oxadiazoles 1 Protein Structure, Tertiary 1 Structure-Activity Relationship 1 Thymidine Phosphorylase 1 Xanthines 1 binding site 1 chemistry 1 enzyme inhibitor 1 enzymology 1 human 1 isoquinoline 1 isoquinoline derivative 1 metabolism 1 molecular docking 1 nuclear magnetic resonance spectroscopy 1 oxadiazole derivative 1 protein tertiary structure 1 structure activity relation 1