Sustainable production of nucleoside analogues by a high-efficient purine 2′- deoxyribosyltransferase immobilized onto Ni2+ chelate magnetic microparticles

The present work aims to develop a magnetic biocatalyst for customized production of nucleoside analogues using mutant His-tagged purine 2′-deoxyribosyltransferase from Trypanosoma brucei (TbPDTV11S) immobilized onto Ni2+ chelate magnetic iron oxide porous microparticles (MTbPDTV11S). Biochemical characterization revealed MTbPDTV11S5 as optimal candidate for further studies (10,552 IU g−1; retained activity 54% at 50 °C and pH 6.5). Interestingly, MTbPDTV11S5 displayed the highest activity value described up to date for an immobilized NDT. Moreover, MTbPDTV11S5 was successfully employed in the one-pot, one-step production of different therapeutic nucleoside analogues, such as cladribine or 2′-deoxy-2-fluoroadenosine, among others. Finally, MTbPDTV11S5 proved to be stable when stored at 50 °C for 8 h and pH 6.0 and reusable up to 10 times without negligible loss of activity in the enzymatic production of the antitumor prodrug 2′-deoxy-2-fluoroadenosine

• Autores: Del Arco, Jon; Jordaan, Justin; Moral-Dardé, Verónica; Fernández-Lucas, Jesús
• Tipo de recurso: http://purl.org/coar/resource_type/c_816b
• Fecha de publicación: 2019
• Institución: Corporación Universidad de la Costa
• Repositorio: REDICUC - Repositorio CUC
• Idioma: eng
• OAI Identifier: oai:repositorio.cuc.edu.co:11323/5140
• Acceso en línea: http://hdl.handle.net/11323/5140; https://repositorio.cuc.edu.co/
• Palabra clave: Enzyme immobilization; Bioprocesses; Nucleoside analogues; 2′-Deoxyribosyltransferases
• Rights: openAccess
• License: CC0 1.0 Universal