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Noncovalently and covalently bound polyamine content in proteins solubilized from zucchini PM vesicles
| Polyamine | Noncovalently Bound (PCA-soluble fraction) | Covalently Bound (PCA-insoluble fraction) |
|---|---|---|
| nmol mg−1 protein | ||
| Putrescine | 1.53 ± 0.39 | 0.21 ± 0.07 |
| Spermidine | 3.27 ± 1.11 | 0.15 ± 0.07 |
| Spermine | 0.21 ± 0.09 | 0.04 ± 0.02 |
The values are means ± sd of four samples of two replicate experiments.
