Affiliation:
1. Department of Chemistry II, Karolinska Institutet, Stockholm, Sweden
Abstract
From
Escherichia coli
B, mutants were prepared that lacked the enzymes adenosine deaminase, cytidine deaminase, and purine nucleoside phosphorylase. In each case, the mutant lacked enzyme activity for both ribonucleoside and deoxyribonucleoside. Mutants lacking purine nucleoside phosphorylase lost the capacity to cleave the nucleosides of adenine, guanine, and hypoxanthine.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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