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. 1976 May;126(2):937-50.
doi: 10.1128/jb.126.2.937-950.1976.

Phosphatase of Chlamydomonas reinhardi: biochemical and cytochemical approach with specific mutants

R F Matagne, R Loppes, R Deltour

Phosphatase of Chlamydomonas reinhardi: biochemical and cytochemical approach with specific mutants

R F Matagne et al. J Bacteriol. 1976 May.

Abstract

The unicellular alga Chlamydomonas reinhardi produces two constitutive acid phosphatases and three depressible phosphatases (a neutral and two alkaline ones) that can utilize napthyl phosphate as a substrate. Specific mutants depressible phosphatase were used to investigate biochemical properties and the cytochemical localization of these enzymes. The two constitutive phosphatases show similar pH optima (about 5.0) and Km values (2 x 10(-3) to 3.3 x 10(-3) M) but differ in their heat sensitivity and affinity for glycerophosphate.

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