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Collect. Czech. Chem. Commun. 1993, 58, S14-S17
https://doi.org/10.1135/cccc1993s014

Amino-imino tautomerism of N(6)-methylformycin, a potent inhibitor of E. coli, but not mammalian, purine nucleoside phosphorylase

Jacek Wierzchowski and David Shugar

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  • Włodarczyk Jakub, Stoychev Galitonov Gerasim, Kierdaszuk Borys: Identification of the tautomeric form of formycin A in its complex with Escherichia coli purine nucleoside phosphorylase based on the effect of enzyme–ligand binding on fluorescence and phosphorescence. Eur Biophys J 2004, 33, 377. <https://doi.org/10.1007/s00249-003-0369-9>
  • Koellner Gertraud, Bzowska Agnieszka, Wielgus-Kutrowska Beata, Luić Marija, Steiner Thomas, Saenger Wolfram, Stȩpiński Janusz: Open and closed conformation of the E. coli purine nucleoside phosphorylase active center and implications for the catalytic mechanism. Journal of Molecular Biology 2002, 315, 351. <https://doi.org/10.1006/jmbi.2001.5211>
  • Bzowska Agnieszka, Kulikowska Ewa, Shugar David: Purine nucleoside phosphorylases: properties, functions, and clinical aspects. Pharmacology & Therapeutics 2000, 88, 349. <https://doi.org/10.1016/S0163-7258(00)00097-8>
  • Kierdaszuk Borys, Modrak-Wójcik Anna, Wierzchowski Jacek, Shugar David: Formycin A and its N-methyl analogues, specific inhibitors of E. coli purine nucleoside phosphorylase (PNP): induced tautomeric shifts on binding to enzyme, and enzyme→ligand fluorescence resonance energy transfer. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology 2000, 1476, 109. <https://doi.org/10.1016/S0167-4838(99)00225-3>