alkaline phosphatase

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An enzyme that catalyses the hydrolysis of phosphoric acid esters under conditions of alkaline pH. In humans the blood levels of alkaline phosphatase are measured as part of the assessment of liver function; in the blood the enzyme also breaks down phosphates required for mineralization of bone. There are two distinct forms of the enzyme (see isozyme), liver alkaline phosphatase and bone alkaline phosphatase.

Subjects: Chemistry.

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