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The mechanism of Rubisco activase: Insights from studies of the properties and structure of the enzyme

โœ Scribed by Michael E. Salvucci; William L. Ogren

Publisher
Springer
Year
1996
Tongue
English
Weight
993 KB
Volume
47
Category
Article
ISSN
0166-8595

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โœฆ Synopsis

Rubisco, the primary carboxylating enzyme in photosynthesis, must be activated to catalyze CO2 fixation. The concept of an 'activase', a specific protein for activating Rubisco, was first introduced in 1985 based largely on biochemical and genetic studies of a high CO2-requiring mutant ofArabidopsis (Salvucci et al. (1985) Photosynth Res 7: 193-201). Over the past ten years, details about the occurrence, structure, and properties of Rubisco activase have been elucidated. However, the mechanism of action of Rubisco activase remains elusive. This review discusses the need for and function of Rubisco activase and summarizes information about the properties and structure of Rubisco activase. The information is evaluated in the context of the mechanism of Rubisco activase.

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