Variation in the specificity factor of C3 higher plant rubiscos determined by the total consumption of ribulose-P2

Parry, M.A.J.; Keys, A.J.; Gutteridge, S.

Variation in the specificity factor of C3 higher plant rubiscos determined by the total consumption of ribulose-P2

1989

Parry, M.A.J. | Keys, A.J. | Gutteridge, S.

The specificity factors for ribulose 1,5-bisphosphate carboxylase/oxygenase (rubisco) from six species of photosynthetic organisms are compared. The values were determined by measuring the oxygen uptake during the total consumption of ribulose-P2 in the presence of various concentrations of O2 and CO2. The specificity factors determined in this way were similar to values previously published; small but significant differences were found between the specificity factors of rubisco from C3 higher plant species.

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