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Membrane-bound 5'-nucleotidase/nucleoside phosphotransferase from Bacillus cereus.

Authors
  • Baiocchi, C
  • Pesi, R
  • Turriani, M
  • Tozzi, M G
  • Camici, M
  • Ipata, P L
Type
Published Article
Journal
International Journal of Biochemistry
Publisher
Elsevier
Publication Date
Nov 01, 1993
Volume
25
Issue
11
Pages
1625–1629
Identifiers
PMID: 8288031
Source
Medline
License
Unknown

Abstract

1. A search for nucleoside phosphotransferase activity in Bacillus cereus led to the following results: (i) The phosphotransferase activity was associated with a membrane bound 5'-nucleotidase. (ii) The enzyme phosphorylates both purine and pyrimidine nucleosides as well as 2',3'-dideoxyinosine. (iii) The enzyme was inhibited by adenylic nucleotide di- and triphosphates, and its nucleotidase activity was increased in the presence of inosine as phosphate acceptor. 2. Bacterial and vertebrate 5'-nucleotidases with phosphotransferase activity differ for several characteristics, such as cellular location, substrate specificity, magnesium requirement and regulation.

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