Nucleoside monophosphoramidate hydrolase from rat liver: purification and characterization
- PMID: 8174758
- DOI: 10.1016/0020-711x(94)90151-1
Nucleoside monophosphoramidate hydrolase from rat liver: purification and characterization
Abstract
1. Adenosine 5'-phosphoramidate hydrolase of 29 kDa was isolated from rat liver cytosol. 2. It consisted of two subunits of 14 kDa. 3. It hydrolyzed nucleoside 5'-monophosphoramidates into nucleoside 5'-monophosphates and ammonia, while it did not hydrolyze adenylyl phosphoramidate, adenylyl imidodiphosphate and N-phosphorylated compounds like phosphocreatine, N omega-phosphoarginine, 6-phospholysine and 3-phosphohistidine. 4. Divalent cations and cyclic AMP had no effect on the hydrolytic activity.
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