produce lead-like compounds. The final grown compounds were docked into the active site of the enzyme using flexible docking and their total binding energies were calculated in order to aid the selection of potential LSD1 inhibitors that will be synthesized and biologically evaluated. Six compounds were synthesized and biologically tested, of which two had showed a promising activity against LSD1. Compound
赖
氨酸特异性脱甲基酶L
SD1通过特定赖
氨酸
氨基酸残基的去甲基化作用调节细胞中组蛋白的功能。L
SD1在各种癌症中过表达,被认为是癌症治疗的有效靶标。在这项研究中,我们描述了使用基于计算片段的药物设计方法发现新型L
SD1
抑制剂的过程。Maybridge Ro3 2000多样性片段库的基于结构的筛选已鉴定出与L
SD1活性位点内两个不同区域结合的两组片段。De Novo和多拷贝同时搜索(MCSS)对接,
配体效率(LE)和结合能计算(BE)有助于选择最佳评分片段,这些片段生长成可产生
铅样化合物。使用灵活的对接将最终生长的化合物对接至酶的活性位点,并计算其总结合能,以帮助选择可能合成和
生物学评估的潜在L
SD1
抑制剂。合成了六种化合物并进行了
生物学测试,其中两种已显示出对L
SD1的有希望的活性。复合具有
氨基羧酰胺
苯并噻唑支架的图37显示出最佳的抑制活性,IC 50值为18.4μM。选择化合物37作为L
SD1命中
抑制剂,值得进一步优化。