ID 3.2.2.1 DE Purine nucleosidase. AN IAG-NH. AN IAG-nucleoside hydrolase. AN Inosine-adenosine-guanosine preferring nucleoside hydrolase. AN N-D-ribosylpurine ribohydrolase. AN N-ribosyl purine ribohydrolase. AN Nucleosidase. AN Nucleosidase g. AN Nucleoside hydrolase. AN Purine beta-ribosidase. AN Purine nucleoside hydrolase. AN Purine ribonucleosidase. AN Purine-specific nucleoside N-ribohydrolase. AN Ribonucleoside hydrolase. CA A purine nucleoside + H(2)O = D-ribose + a purine base. CC -!- The enzyme from the bacterium Ochrobactrum anthropi specifically CC catalyzes the irreversible N-riboside hydrolysis of purine CC nucleosides. CC -!- Pyrimidine nucleosides, purine and pyrimidine nucleotides, NAD(+), CC NADP(+) and nicotinaminde mononucleotide are not substrates. PR PROSITE; PDOC00960; //