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Distribution of marker-enzyme activities in a soluble fraction (fraction I) and an enriched chloroplast fraction (fraction 3)
| Fraction | NADP-GAPDH | PEPC | CA | PEPC:NADP-GAPDH | CA:NADP-GAPDH |
|---|---|---|---|---|---|
| pmol cell−1 h−1 | microunitsa cell−1 | ||||
| Soluble | 43.9 | 5.8 | 45.1 | 0.13 | 1.03 |
| Chloroplast | 2.6 | <0.02b | <0.05b | <0.01 | <0.02 |
The values are the means from two fractionation experiments.
1 unit= 1 activity unit as decribed by Rickli et al. (1964).
Activities of PEPC and CA were below the detection limit.
