Table 1.
Rate of zinc transfer to apo-SDH
| Zinc donor | Rate constant, M−1·s−1 |
|---|---|
| Free zinc | 20,000 |
| MT-1 | 24 |
| MT-2 | 16 |
| MT-1 + GSH | 20 |
| MT-1 + GSSG | 79 |
Rate constants were obtained from plots for a second-order reaction: [SDH]/[Zn] = k2[apo-SDH]0t.
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