基于片段的药物发现(Fragment-based drug discovery,FBDD)可以减小筛选库的规模,并覆盖更大范围未开发和未被充分研究的化学空间。它为后续对初始片段命中进行化学优化提供了更直接的起点。片段合成的过程遵循了一个启发式规则,称为“三原则”(Rule of Three)。通过对“三原则”参数进行最新的调整,有助于生成具有改善的药代动力学和药物效果(ADME)特性的小分子化合物,以便通过FBDD和高通量筛选(HTS)进行高效的先导物鉴定。 "三原则"规定了一些关键的参数,包括分子量小于300、脂溶性(logP)小于3以及极性表面积(TPSA)小于80 Å2。已知市场上超过80%的药物溶解度(logSw)值大于-4。因此,在设计这个片段筛选子集时,也采用了溶解度过滤。最后,还应用了PAINS和内部开发的药物化学(MedChem)过滤器,如毒性团和不理想的功能团,以精选这个类似片段的分子集合,最终得到了约10,300个药物样片段。
Empty | 1000025-07-9 | 1000413-72-8 | 229005-80-5 | 1000787-75-6 | 946387-07-1 | 1000998-59-3 | 1175526-27-8 | 1001288-58-9 | 1001350-96-4 | 1001404-83-6 | Empty |
Vadadustat | TAK875 | TAK-779 | Tegobuvir | RN-1734 | BMS-687453 | AM211 | FT011 | BMS754807 | AAI101 | ||
Empty | 1001625-82-6 | 1001645-58-4 | 1001753-24-7 | 1001908-89-9 | 1002304-34-8 | 1002-84-2 | 100291-86-9 | 100299-08-9 | 10030-52-1 | 10040-45-6 | Empty |
RPW-24 | SRT1720 hydrochloride | INH6 | SRT 2183 | AMG208 | Pentadecanoic acid | Apiopaeonoside | Pemirolast potassium | L-Anserine nitrate salt | Sodium Picosulfate | ||
Empty | 100427-26-7 | 1004316-88-4 | 10045-45-1 | 100462-37-1 | 1004990-28-6 | 100-51-6 | 1005-24-9 | 1005264-47-0 | 1005334-57-5 | 1005342-46-0 | Empty |
Lercanidipine | Cobicistat | 1-Ethyl-2-benzimidazolinone | ROSIRIDIN | PF-AKT400 | Benzyl alcohol | 1-Methylnicotinamide chloride | MX69 | CVT-10216 | LCL161 | ||
Empty | 1005491-05-3 | 100-55-0 | 1005504-62-0 | 1005883-72-6 | 100643-71-8 | 1007207-67-1 | 10075-50-0 | 1007647-73-5 | 100784-20-1 | 10083-24-6 | Empty |
Tirasemtiv | Roniacol | Rg3039 | Z433927330 | Desloratadine | CH5132799 | 5-Bromoindole | Smurf1-IN-A01 | Halosulfuron-methyl | Piceatannol | ||
Empty | 100872-83-1 | 100874-08-6 | 1009119-64-5 | 1009119-65-6 | 100929-71-3 | 1009298-09-2 | 1009298-59-2 | 100929-99-5 | 1009734-33-1 | 10097-84-4 | Empty |
ML346 | SB 4 | Daclatasvir | Daclatasvir dihydrochloride | NADPH (tetracyclohexanamine) | AZD8055 | Vistusertib | PAβN dihydrochloride | HZ1157 | Rotundine | ||
Empty | 1009816-48-1 | 1009817-63-3 | 1009820-21-6 | 100986-85-4 | 101001-34-7 | 1010411-21-8 | 1010-60-2 | 1011244-68-0 | 1011301-27-1 | 1011529-10-4 | Empty |
Thiamet G | B-AP15 | Silmitasertib | Levofloxacin | Pamicogrel | GSK369796 Dihydrochloride | 2-Chloronaphthoquinone | TFAP | Tenovin3 | Azvudine | ||
Empty | 101152-94-7 | 101155-02-6 | 1011557-82-6 | 1011-74-1 | 101-20-2 | 1012054-59-9 | 101-21-3 | 101-26-8 | 101303-98-4 | 1013101-36-4 | Empty |
Milnacipran hydrochloride | BW-A78U | Tenovin-6 | DL-Normetanephrine hydrochloride | Triclocarban | CUDC101 | Chlorpropham | Mestinon | Zacopride hydrochloride | PF04691502 | ||
Empty | 101-31-5 | 1013-69-0 | 1013750-77-0 | 1013753-99-5 | 10138-52-0 | 1013920-15-4 | 1013937-63-7 | 1014691-61-2 | 101477-54-7 | 101494-95-5 | Empty |
L-Hyoscyamine | Noreugenin | ML-030 | BC-1382 | Gadolinium chloride | Vorolanib | VTP-27999 TFA | GSK0660 | Lomerizine hydrochloride | 8-CHLOROQUINAZOLIN-4(1H)-ONE |