Kublen, David S; Whitney, Spencer; Moore, Paige V; Jesson, Linley K
C4 plants have been reported to have Rubiscos with higher maximum carboxylation rates (kcatCO2) and Michaelis-Menten constants (Km) for CO2 (Kc) than the enzyme from C 3 species, but variation in other kinetic parameters between the two photosynthetic pathways has not been extensively examined. The CO 2/O2 specificity (SC/O), kcatCO2, Kc, and the Km for O2 (Ko) and RuBP (Km-RuBP), were measured at 25°C, in Rubisco purified from 16 species of Flaveria (Asteraceae). Our analysis included two C3...[Show more]
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