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Outline
Proteolysis targeting chimera (PROTAC) is a drug discovery strategy using ubiquitin proteasome system (UPS) to degrade the target protein. Unlike traditional small molecule drugs utilizing occupancy-driven pharmacology as the mode of action (MOA) to regulate protein activity, PROTACs function through forming stable target protein-PROTAC-E3 ubiquitin ligase ternary complex and use ubiquitin proteasome system to degrade the target protein. However, only a few E3 ubiquitin ligases have been used in PROTAC drug design now, and the space of target proteins that PROTAC can target needs to be further expanded. On the other hand, the complicated system of ternary crystal structures is difficult to capture and identify, computational simulation provides modeling of PROTAC-mediated ternary complex formation with effective approaches. In view of this, this review describes the recent progress of bioinformatics on expanding the landscape of E3 ubiquitin ligases and target proteins, and summarizes the methods of computation simulation in modeling PROTAC ternary complex. Finally, the trend of development about PROTAC is prospected.
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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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