Subcellular distribution of amino acid naphthylamidase isozymes in human leucocytes.
Acta Pathol Microbiol Scand A, 1975/1;83(1):176-82.
PMID: 235825
Abstract
Three isozymes (A, B and C) of amino acid naphthylamidase were found in human leucocytes. Isozyme B and C had close biochemical similarities and differed from isozyme A. Isozyme A was localized in the cytosol. Results obtained by combining electrophoresis with gradient centrifugation suggested that isozyme B originated in granules of polymorphonuclear leucocytes enriched in alkaline phosphatase. Isozyme C was found in granules of low density of polymorphonuclear as well as mononuclear leucocytes.
MeSH terms
Alkaline Phosphatase; Aminopeptidases; Centrifugation, Density Gradient; Electrophoresis, Polyacrylamide Gel; Humans; Hydrogen-Ion Concentration; Isoenzymes; Leukocytes
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