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6. Crystal structure of the purine nucleoside phosphorylase (PNP) from Cellulomonas sp. and its implication for the mechanism of trimeric PNPs. Tebbe J; Bzowska A; Wielgus-Kutrowska B; Schröder W; Kazimierczuk Z; Shugar D; Saenger W; Koellner G J Mol Biol; 1999 Dec; 294(5):1239-55. PubMed ID: 10600382 [TBL] [Abstract][Full Text] [Related]
7. Role of ionization of the phosphate cosubstrate on phosphorolysis by purine nucleoside phosphorylase (PNP) of bacterial (E. coli) and mammalian (human) origin. Modrak-Wójcik A; Kirilenko A; Shugar D; Kierdaszuk B Eur Biophys J; 2008 Feb; 37(2):153-64. PubMed ID: 17639373 [TBL] [Abstract][Full Text] [Related]
8. Linear free energy relationships for N(7)-substituted guanosines as substrates of calf spleen purine nucleoside phosphorylase. Possible role of N(7)-protonation as an intermediary in phosphorolysis. Bzowska A; Kulikowska E; Shugar D Z Naturforsch C J Biosci; 1993; 48(9-10):803-11. PubMed ID: 8251038 [TBL] [Abstract][Full Text] [Related]
9. Properties of two unusual, and fluorescent, substrates of purine-nucleoside phosphorylase: 7-methylguanosine and 7-methylinosine. Kulikowska E; Bzowska A; Wierzchowski J; Shugar D Biochim Biophys Acta; 1986 Dec; 874(3):355-63. PubMed ID: 3098294 [TBL] [Abstract][Full Text] [Related]
10. Properties of 7-alkylguanosines as substrates of purine nucleoside phosphorylase. Bzowska A; Kulikowska E; Darzynkiewicz E; Shugar D Nucleic Acids Symp Ser; 1987; (18):53-6. PubMed ID: 3122188 [TBL] [Abstract][Full Text] [Related]
11. Xanthosine and xanthine. Substrate properties with purine nucleoside phosphorylases, and relevance to other enzyme systems. Stoychev G; Kierdaszuk B; Shugar D Eur J Biochem; 2002 Aug; 269(16):4048-57. PubMed ID: 12180982 [TBL] [Abstract][Full Text] [Related]
12. The crystal structure of Escherichia coli purine nucleoside phosphorylase: a comparison with the human enzyme reveals a conserved topology. Mao C; Cook WJ; Zhou M; Koszalka GW; Krenitsky TA; Ealick SE Structure; 1997 Oct; 5(10):1373-83. PubMed ID: 9351810 [TBL] [Abstract][Full Text] [Related]
13. Calf spleen purine nucleoside phosphorylase: complex kinetic mechanism, hydrolysis of 7-methylguanosine, and oligomeric state in solution. Bzowska A Biochim Biophys Acta; 2002 Apr; 1596(2):293-317. PubMed ID: 12007610 [TBL] [Abstract][Full Text] [Related]
14. Substrate specificity of uridine and purine nucleoside phosphorylases of the whole cells of Escherichia coli. Zintchenko AI; Eroshevskaya LA; Barai VN; Mikhailopulo IA Nucleic Acids Symp Ser; 1987; (18):137-40. PubMed ID: 3122186 [TBL] [Abstract][Full Text] [Related]
15. Inhibitors of purine nucleoside phosphorylase: effects of 9-deazapurine ribonucleosides and synthesis of 5'-deoxy-5'-iodo-9-deazainosine. Stoeckler JD; Ryden JB; Parks RE; Chu MY; Lim MI; Ren WY; Klein RS Cancer Res; 1986 Apr; 46(4 Pt 1):1774-8. PubMed ID: 3081256 [TBL] [Abstract][Full Text] [Related]
16. Nicotinamide riboside phosphorylase from beef liver: purification and characterization. Imai T; Anderson BM Arch Biochem Biophys; 1987 Apr; 254(1):253-62. PubMed ID: 2953305 [TBL] [Abstract][Full Text] [Related]
17. 2-Chloro-2'-deoxyadenosine (cladribine) and its analogues are good substrates and potent selective inhibitors of Escherichia coli purine-nucleoside phosphorylase. Bzowska A; Kazimierczuk Z Eur J Biochem; 1995 Nov; 233(3):886-90. PubMed ID: 8521855 [TBL] [Abstract][Full Text] [Related]
18. [Comparative study of purine nucleoside phosphorylase from rabbit kidney, spleen, liver and embryos]. Anan'ev AV; Bezirdzhian KhO; Akopian ZhI Biokhimiia; 1987 Dec; 52(12):2022-8. PubMed ID: 3129033 [TBL] [Abstract][Full Text] [Related]