doi: 10.1128/jb.126.2.937-950.1976.
Phosphatase of Chlamydomonas reinhardi: biochemical and cytochemical approach with specific mutants
- PMID: 4437
- PMCID: PMC233232
- DOI: 10.1128/jb.126.2.937-950.1976
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Phosphatase of Chlamydomonas reinhardi: biochemical and cytochemical approach with specific mutants
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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