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Farnesyltransferase (FTase) was selected as a target for virtual screening of inhibitors using the Glide v4.0 program in the Schrödinger software package. We discovered 13 novel structures as farnesyltransferase inhibitors (FTIs) with moderate potency. By analyzing the binding modes of representative compounds 8 (IC50=2.29 μmol·L-1) and 18 (IC50=0.41 μmol·L-1) with farnesyltransferase, it was found that compounds 8 and 18 didn't coordinate with Zn2+, indicating that the coordination between FTIs with Zn2+ is not essential for the bioactivity of the inhibitors. The structure-activity relationship was summarized by analyzing the predicted binding modes of representative compounds. It was found that the scaffolds of the discovered FTIs had room for structural optimization, which lay foundation for obtaining highly active and selective FTIs.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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