5 -Nucleotidase nervous tissue

This was the first specific nucleotidase to be discovered. It hydrolyzes adenosine-5 -phosphate and inosine-5 -phosphate, but does not attack adenosine-3 -phosphate. The enzyme is present in retina, nervous tissue, prostate, testis, and sperm. No fractionation studies have been carried out. In human tissues, the strongest 5 -nucleotidase activity occurs in the posterior pituitary gland. ... 

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