Carter, P.J., Nimmo, H.G. , Fewson, C.A. and Wilkins, M.B. (1990) Bryophyllum fedtschenkoi protein phosphatase type 2A can dephosphorylate phosphoenolpyruvate carboxylase. FEBS Letters, 263(2), pp. 233-236. (doi: 10.1016/0014-5793(90)81381-W)
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Abstract
Phosphoenolpyruvate carboxylase, which catalyses the nocturnal fixation of CO2 in Crassulacean acid metabolism (CAM) plants, is regulated by reversible phosphorylation. The phosphorylated ‘night’ form of the enzyme is ten‐fold less sensitive to inhibition by malate than is the dephosphorylated ‘day’ form. The phosphoenolpyruvate carboxylase of the CAM plant Bryophyllum fedtschenkoi can be dephosphorylated by rabbit muscle protein phosphatase type 2A but not by type 1. B. fedtschenkoi leaves contain protein phosphatase activity that can dephosphorylate phosphoenolpyruvate carboxylase. Inhibitor studies show that this enzyme is a type 2A protein phosphatase.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Nimmo, Professor Hugh |
| Authors: | Carter, P.J., Nimmo, H.G., Fewson, C.A., and Wilkins, M.B. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences |
| Journal Name: | FEBS Letters |
| Publisher: | Elsevier Science Publishers |
| ISSN: | 0014-5793 |
| ISSN (Online): | 1873-3468 |
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