Table 4:
The metal-Onuc distances (in Å) in transition state of PP1-Mn/Zn and AP-Zn/Mn.
| pKa | PP1-Mn | PP1-Zn | AP-Zn | AP-Mn | |||
|---|---|---|---|---|---|---|---|
| Substrate | LG pKa | (Mn2+-Onuc)1 | (Mn2+-Onuc)2 | (Zn2+-Onuc)1 | (Zn2+-Onuc)2 | Zn2+-Onuc | Mn2+-Onuc |
| pNPP | 7.0 | 2.16 | 2.12 | 2.10 | 2.03 | 1.92 | 1.98 |
| pCNPP | 8.0 | 2.16 | 2.13 | 2.11 | 2.08 | 1.93 | 1.99 |
| mCNPP | 8.6 | 2.14 | 2.14 | 2.14 | 2.10 | 1.94 | 1.99 |
| mCLPP | 8.8 | 2.15 | 2.14 | 2.15 | 2.10 | 1.94 | 2.00 |
| pCLPP | 9.3 | 2.18 | 2.13 | 2.14 | 2.11 | 1.94 | 2.00 |
| PP | 10.0 | 2.20 | 2.13 | 2.17 | 2.12 | 1.94 | — |
| pMPP | 10.2 | 2.19 | 2.14 | 2.18 | 2.13 | 1.95 | 2.01 |