TABLE 4.
Isocitrate and malate dehydrogenase activities in crude protein extracts from wild-type Synechocystis sp. strain PCC 6803 as a function of cofactor identity and availability
Substrate | Pyridine nucleotide | [NAD(P)] (mM) | NAD(P)H formed, μmol (mg of chlorophyll)−1 min−1 |
---|---|---|---|
Isocitrate | NADP | 0 | −0.02 ± 0.04 |
0.1 | 1.25 ± 0.06 | ||
Isocitrate | NAD | 0 | 0.04 ± 0.05 |
0.1 | −0.01 ± 0.04 | ||
Malate | NADP | 0 | 0.02 ± 0.03 |
0.1 | 0.07 ± 0.05 | ||
Malate | NAD | 0 | 0.01 ± 0.04 |
0.1 | 0.40 ± 0.05 |