Send to:

Choose Destination
See comment in PubMed Commons below
Appl Microbiol Biotechnol. 2013 Aug;97(15):6769-78. doi: 10.1007/s00253-012-4542-x. Epub 2012 Nov 20.

Biosynthesis of nucleoside analogues via thermostable nucleoside phosphorylase.

Author information

  • 1State Key Laboratory of Chemical Resources Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.


Biocatalyzed synthesis of nucleoside analogues was carried out using two thermostable nucleoside phosphorylases from the hyperthermophilic aerobic crenarchaeon Aeropyrum pernix K1. The synthesis of the 2,6-diaminopurine nucleoside and 5-methyluridine was used as a reaction model to test the process. Both the purine nucleoside phosphorylase (apPNP) and uridine phosphorylase (apUP) were functionally expressed in Escherichia coli. The recombinant enzymes were characterized after purification, and both enzymes showed high thermostability and broad substrate specificity. Both enzymes retained 100 % of their activity after 60 min at high temperature, and the optimum temperature for the enzymes was 90-100 °C. The nucleoside phosphorylases obtained from A. pernix are valuable industrial biocatalysts for high-temperature reactions that produce nucleoside drugs in high yields.

[PubMed - indexed for MEDLINE]
PubMed Commons home

PubMed Commons

How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Springer
    Loading ...
    Write to the Help Desk