AG 490是EGF受体酪氨酸激酶的选择性抑制剂 (EGFR和ErbB2的IC50值分别为2和13.5μM)。也抑制对Lck，Lyn，Btk，Syk和Src无活性的JAK2。 了解更多

JAK3-IN-2 is a potent and highly selective JAK3 inhibitor with IC50 of 0.15 nM. dispalys >4,300-fold selectivity over JAK1, JAK2 and TYK2, and other kinases BMX, EGFR, ITK and BTK; blocks cytokine signaling through JAK3, but not through other JAK family enzymes; inhibits IL-7 induced pSTAT5 in CD3+, CD8+ T cells with IC50 of 280 nM; sufficiently blocks the development of inflammation in a rat model of rheumatoid arthritis, while sparing hematopoiesis. 了解更多

ZM 39923 HCl是JAK3抑制剂（IC50 = 79 nM），其抑制表皮生长因子受体，JAK1和细胞周期蛋白依赖性激酶4（IC50s分别为2.4、40和10 M）的抑制作用较小。 了解更多