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Further Characterization of Alkaline Phosphatases of Human Kidney and Urine

Further Characterization of Alkaline Phosphatases of Human Kidney and Urine Human kidney alkaline phosphatase (AP) react with antisera to liver and intestinal AP. The respective kidney enzymes are designated as K<sup>Li</sup> and K<sup>I</sup>. Comparison with liver AP showed that K<sup>Li</sup> was salted out at the same ammonium sulfate concentration (66%) as the liver enzyme; K<sup>Li</sup> was antigenically identical with liver AP; the electrophoretic mobility of K<sup>Li</sup> was that of a γ-globulin whereas liver AP was an α<sub>2</sub>-globulin. The liver enzyme was lighter (130,000 daltons) than K<sup>Li</sup> (150,000 daltons). K<sup>I</sup> and intestinal AP shared most properties: antigenically they were indistinguishable; both contained two components one of which was 80,000 daltons, the other was heavier (120,000 daltons for K<sup>I</sup>, 130,000 daltons for intestinal AP). Urinary AP consisted only of the lighter component (80,000 dalton). Methods for partial separation of the three kidney APs are given. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Archives of Allergy and Immunology Karger

Further Characterization of Alkaline Phosphatases of Human Kidney and Urine

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Publisher
Karger
Copyright
© 1977 S. Karger AG, Basel
ISSN
1018-2438
eISSN
1423-0097
DOI
10.1159/000231841
Publisher site
See Article on Publisher Site

Abstract

Human kidney alkaline phosphatase (AP) react with antisera to liver and intestinal AP. The respective kidney enzymes are designated as K<sup>Li</sup> and K<sup>I</sup>. Comparison with liver AP showed that K<sup>Li</sup> was salted out at the same ammonium sulfate concentration (66%) as the liver enzyme; K<sup>Li</sup> was antigenically identical with liver AP; the electrophoretic mobility of K<sup>Li</sup> was that of a γ-globulin whereas liver AP was an α<sub>2</sub>-globulin. The liver enzyme was lighter (130,000 daltons) than K<sup>Li</sup> (150,000 daltons). K<sup>I</sup> and intestinal AP shared most properties: antigenically they were indistinguishable; both contained two components one of which was 80,000 daltons, the other was heavier (120,000 daltons for K<sup>I</sup>, 130,000 daltons for intestinal AP). Urinary AP consisted only of the lighter component (80,000 dalton). Methods for partial separation of the three kidney APs are given.

Journal

International Archives of Allergy and ImmunologyKarger

Published: Jan 1, 1977

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