Ecto-Enzyme of Granulocytes: 5'-Nucleotidase

See allHide authors and affiliations

Science  15 Mar 1974:
Vol. 183, Issue 4129, pp. 1096-1098
DOI: 10.1126/science.183.4129.1096


The 5'-nucleotidase of guinea pig polymorphonuclear leukocytes is localized exclusively on the plasma membrane of intact cells. The active site of this enzyme faces the external medium, not the cytoplasm.