Table 1. The kinetic parameters Km and kcat for several methyltransferases described within the article, using SAM and 8-aza-SAM as methyl donor and several methyl acceptors.
| K m | k cat | |
| CePRMT5 | ||
| SAM | 6.8 ± 0.3 μM | 31.9 ± 0.5 h–1 |
| H4(1–20) | 26 ± 2 μM | 32.9 ± 0.8 h–1 |
| 8-Aza-SAM | 35 ± 20 μM | 15 ± 6 h–1 |
| TbPRMT7 | ||
| SAM | 1.1 ± 0.2 μM | 22.3 ± 0.6 h–1 |
| H4(1–20) | 39 ± 3 μM | 28.2 ± 0.7 h–1 |
| 8-Aza-SAM | 15.3 ± 0.7 μM | 23.0 ± 0.4 h–1 |
| NcDIM-5 | ||
| SAM a | 0.68 ± 0.20 μM | 3.1 h–1 |
| H3(1–53) | 0.9 ± 0.1 μM | 30 ± 1 min–1 |
| 8-Aza-SAM | Not a substrate | Not a substrate |
| GsSDMT | ||
| SAM | 95 ± 18 μM | 42 ± 2 min–1 |
| Sarcosine | 1.7 ± 0.2 mM | 90 ± 5 min–1 |
| 8-Aza-SAM | 443 ± 33 μM | 81 ± 3 min–1 |
aFrom P. Rathert, X. Cheng and A. Jeltsch, BioTechniques, 2007, 43, 602, 604, 606.